Water Body Name: | Hilton Creek |
Water Body ID: | CAR6031008020070824170247 |
Water Body Type: | River & Stream |
Lines of Evidence (LOEs) for Decision ID 7812 |
LOE ID: | 5671 |
Pollutant: | Chloride |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 15 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Of 15 chloride samples, 10 were estimates or below the detection level. Chloride concentrations in the remaining 5 samples ranged from 0.2 to 0.75 mg/L. The MCL was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Mojave River Watershed |
2007. SWAMP Data for the Owens Hydrologic Unit | |
Water Quality Objective/Criterion: | California Maximum Contaminant Levels (MCLs) apply to ambient waters under the Lahontan Basin Plan's "Chemical Constituents" objective. The MCL for chloride is 250 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Fifteen quarterly samples were collected between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): | |
| |
LOE ID: | 5659 |
Pollutant: | Chloride |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 5 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Of 15 chloride samples, 10 were estimates or below the detection level. Chloride concentrations in the remaining 5 samples ranged from 0.2 to 0.75 mg/L.. The site-specific objective was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The site-specific objective (from Lahontan Basin Plan Table 3-17) includes an annual average of 0.8 mg/L and a 90th percentile value of 2.0 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Fifteen quarterly samples were collected between 2001 and 2005. Sampling frequency was inadequate for calculation of representative annual averages. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 7778 |
LOE ID: | 6082 |
Pollutant: | Dissolved oxygen saturation |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 4 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | OThe U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program. Percent saturation of dissolved oxygen in four samples collected between October 2004 and July 2005 ranged from 94 to 108 percent. The objective was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The Lahontan Basin Plan's regionwide narrative objective for dissolved oxygen provides that percent saturation shall not be depressed more than 10 percent nor shall the minimum dissolved oxygen concentration be less than 80 percent of saturation. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Crowley Lake, was sampled. |
Temporal Representation: | Four quarterly measurements of dissolved oxygen saturation were taken between October 2004 and July 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 7697 |
LOE ID: | 5705 |
Pollutant: | Fecal Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Water Contact Recreation |
Number of Samples: | 5 |
Number of Exceedances: | 1 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program. Four of 5 fecal coliform samples collected between July 2004 and July 2005 were estimates or below the detection level. The remaining sample was 100 colonies per 100 milliliters, exceeding the limits in the water quality objective. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The Lahontan Basin Plan's objective for coliform bacteria states: "Waters shall not contain concentrations of coliform organisms attributable to anthropogenic sources, including human and livestock wastes. The fecal coliform concentration during any 30-day period shall not exceed a log mean of 20/100 ml, nor shall more than 10 percent of all samples collected during any 30-day period exceed 40/100 ml. The log mean shall ideally be based on a minimum of not less than five samples collected as evenly spaced as practicable during any 30-day period. However, a log mean concentration exceeding 20/100 ml for any 30-day period shall indicate violation of this objective even if fewer than five samples were collected." . |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Five samples were collected at quarterly intervals between July 2004 and July 2005 |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): | |
| |
LOE ID: | 5704 |
Pollutant: | Fecal Coliform |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 5 |
Number of Exceedances: | 1 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program. Four of 5 fecal coliform samples collected between July 2004 and July 2005 were estimates or below the detection level. The remaining sample was 100 colonies per 100 milliliters, exceeding the limits in the water quality objective. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The Lahontan Basin Plan's objective for coliform bacteria states: "Waters shall not contain concentrations of coliform organisms attributable to anthropogenic sources, including human and livestock wastes. The fecal coliform concentration during any 30-day period shall not exceed a log mean of 20/100 ml, nor shall more than 10 percent of all samples collected during any 30-day period exceed 40/100 ml. The log mean shall ideally be based on a minimum of not less than five samples collected as evenly spaced as practicable during any 30-day period. However, a log mean concentration exceeding 20/100 ml for any 30-day period shall indicate violation of this objective even if fewer than five samples were collected." . |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Five samples were collected at quarterly intervals between July 2004 and July 2005 |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10410 |
LOE ID: | 21409 |
Pollutant: | Nitrate |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 16 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Sixteen samples each were collected for nitrite and nitrite plus nitrate. Eight of 16 calculated nitrate concentrations were below the detection level. The remainder ranged from 0 to 0.53 mg/L. The MCL was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Mojave River Watershed |
2007. SWAMP Data for the Owens Hydrologic Unit | |
Water Quality Objective/Criterion: | California Maximum Contaminant Levels (MCLs) apply to ambient waters under the Lahontan Basin Plan's "Chemical Constituents" objective. The MCL for nitrate (expressed "as nitrate") is 45 mg/L, equivalent to 10 mg/L expressed "as N." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Sixteen quarterly samples each were collected for nitrite and for nitrite plus nitrate between 2001 and 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): | |
| |
LOE ID: | 21407 |
Pollutant: | Nitrate |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 5 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program between 2001 and 2005. Sixteen quarterly samples each were collected for nitrite and for nitrite plus nitrate. Because of estimated and below detection level values in the constituents, numerical annual average concentrations of nitrate could not be calculated for 2001, 2002, and 2003. The annual average concentrations for 2004 and 2005 were 0.059 and 0.126 mg/L. The objective was not violated. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The site-specific objective (from Lahontan Basin Plan Table 3-17) includes an annual average nitrate (as nitrate) concentration of 0.3 mg/L and a 90th percentile value of 0.5 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Crowley Lake, was sampled. |
Temporal Representation: | Sixteen quarterly samples each were collected for nitrite and for nitrite plus nitrate between 2001 and 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10411 |
LOE ID: | 21404 |
Pollutant: | Nitrate/Nitrite (Nitrite + Nitrate as N) |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 16 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Concentrations of nitrite plus nitrate in 5 of 16 samples were below the detection level. Another two samples were estimated values. Concentrations in the remaining samples ranged from 0.001 to 0.054 mg/L. The MCL was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | California Maximum Contaminant Levels (MCLs) apply to ambient waters under the Lahontan Basin Plan's "Chemical Constituents" objective. The MCL for nitrite plus nitrate is 10 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Sixteen quarterly samples were collected between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10413 |
LOE ID: | 21403 |
Pollutant: | Nitrite |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 16 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Concentrations of nitrite in 8 of 16 samples were below the detection level. Concentrations in the remaining samples ranged from 0.001 to 0.002 mg/L. The MCL was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | California Maximum Contaminant Levels (MCLs) apply to ambient waters under the Lahontan Basin Plan's "Chemical Constituents" objective. The MCL for nitrite is 1 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Sixteen quarterly samples were collected between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 16116 |
LOE ID: | 5819 |
Pollutant: | Oxygen, Dissolved |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 15 |
Number of Exceedances: | 6 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Dissolved oxygen concentrations ranged from 6.5 to 11.8 mg/L. Six of fifteen quarterly samples were below the 1-day minimum limit. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The water quality objective for or waters designated for the COLD and SPWN beneficial uses is a 1-day minimum of 8 mg/L (Lahontan Basin Plan Table 3-6). |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Crowley Lake, was sampled. |
Temporal Representation: | Fifteen measurements of dissolved oxygen were collected between August 2001 and July 2006. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10414 |
LOE ID: | 21408 |
Pollutant: | Phosphate |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Dissolved |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 4 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program between 2002 and 2005. Six of fourteen samples for PO4 as P were below the detection level. Concentrations in the remaining samples ranged from 0.001 to 0.017 mg/L. Fourteen calculated concentrations of P04 included 6 below detection level values; the remainder ranged from 0.003 to 0.052 mg/L. of . Because of the below detection level values, the annual average concentrations for 2002 and 2003 could not be calculated. The annual average concentrations for 2004 and 2005 were 0.015 and 0.001 mg/L. The objective was not violated.
An additional sample for hydrolyzable P plus PO4 was collected on November 27, 2001. The concentration was 0.08 mg/L. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The site-specific objective (from Lahontan Basin Plan Table 3-17) includes an annual average dissolved orthophosphate concentration of 0.03 mg/L and a 90th percentile value of 0.05 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Crowley Lake, was sampled. |
Temporal Representation: | Fourteen quarterly samples for PO4 as P were collected between 2002 and 2005. One sample for hydrolyzable P plus PO4 was collected on November 27, 2001. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10418 |
LOE ID: | 21412 |
Pollutant: | Phosphorus |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 12 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program between 2002 and 2005. Concentrations of total phosphorus in 12 quarterly samples ranged from 0.004 to 0.034 mg/L. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The Lahontan Basin Plan does not include a site-specific objective (SSO) for total phosphorus in Hilton Creek. The narrative objective for biostimulatory substances states: "Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect the water for beneficial uses." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Crowley Lake, was sampled. |
Temporal Representation: | Twelve quarterly samples were collected between 2002 and 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 7787 |
LOE ID: | 5674 |
Pollutant: | Sediment |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 16 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Suspended sediment concentrations in 16 samples ranged from 18 to 63 mg/L. Instantaneous discharges measured concurrenty ranged from 1.2 to 33 cubic feet per second. Calculated suspended sediment loads (for 8 samples) ranged from 0.01 to 0.89 tons per day. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The objective from the Lahontan Basin Plan states: "The suspended sediment load and suspended sediment discharge rate of surface waters shall not be altered in such a manner as to cause nuisance or adversely affect the water for beneficial uses." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Sixteen quarterly suspended sediment samples were collected between 2001 and 2005. Eight suspended sediment load calculations were done for suspended sediment and flow data collected between 2003 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 7605 |
LOE ID: | 5673 |
Pollutant: | Specific Conductance |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 15 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Specific conductance in 15 field measurements ranged from 22 to 54 uS/cm. Two additional laboratory measurements from samples collected on the same dates as field measurements were 32 and 38 uS/cm. The MCL was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | California Maximum Contaminant Levels (MCLs) apply to ambient waters under the Lahontan Basin Plan's "Chemical Constituents" objective. The MCL for specific conductance is 900 microsiemens per centimeter (uS/cm). |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, HIlton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Fifteen quarterly field measurements and two laboratory measurements were taken between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 7698 |
LOE ID: | 5677 |
Pollutant: | Temperature, water |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 16 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. Temperatures in 16 quarterly measurements taken ranged from 0 to 21 degrees Celsius. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The applicable language from the Lahontan Basin Plan's objective for temperature states: "The natural receiving water temperature of all waters shall not be altered unless it can be demonstrated to the satisfaction fo the Regional Board that such an alteration in temperature does not adversely affect the water for beneficial uses.
For waters designated WARM, water temperature shall not be altered by more than five degrees Fahrenheit ... above or below the natural temperature. For waters designated COLD, the temperature shall not be altered. Temperature objectives for COLD interstate waters and WARM interstate waters are as specified in the Water Quality Control Plan for Control of Temperature in The Coastal and Interstate Waters and Encosed Bays and Estuaries of California including any revisions." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowly, was sampled. |
Temporal Representation: | Sixteen quarterly measurements of water temperature were taken between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 7811 |
LOE ID: | 5675 |
Pollutant: | Total Dissolved Solids |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total Dissolved |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 5 |
Number of Exceedances: | 2 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. TDS concentrations in 16 samples ranged from 18 to 63 mg/L. Annual average concentrations ranged from 20 to 37 mg/L. The annual average objective was exceeded in 2 of 5 years. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The site-pecific objective for Total Dissolved Solids (TDS) in Lahontan Basin Plan Table 3-17, includes an annual average of 28 mg/L and a 90th percentile value of 34 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Sixteen quarterly samples were collected between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): | |
| |
LOE ID: | 5676 |
Pollutant: | Total Dissolved Solids |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total Dissolved |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 16 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. TDS concentrations in 16 samples ranged from 18 to 63 mg/L. The MCL was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | California Maximum Contaminant Levels (MCLs) apply to ambient waters under the Lahontan Basin Plan's "Chemical Constituents" objective. The MCL for Total Dissolved Solids (TDS) is 500 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Sixteen quarterly samples were collected between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10421 |
LOE ID: | 21405 |
Pollutant: | Total Kjeldahl Nitrogen (TKN) |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 16 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program between 2001 and 2005. One of 16 quarterly samples for TKN was an estimated value. Concentrations of TKN in the other samples ranged from 0.03 to 0.32 mg/L. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The Lahontan Basin Plan does not include a site-specific objective (SSO) for total Kjeldahl nitrogen (TKN) in Hilton Creek. The narrative objective for biostimulatory substances states: "Waters shall not contain biostimulatory substances in concentrations that promote aquatic growths to the extent that such growths cause nuisance or adversely affect the water for beneficial uses." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Crowley Lake, was sampled. |
Temporal Representation: | Sixteen quarterly samples were collected between 2001 and 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10415 |
LOE ID: | 21406 |
Pollutant: | Total Nitrogen as N |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | Total |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 5 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek under the Region 6 SWAMP program between 2001 and 2005. Sixteen quarterly samples each were collected for total Kjeldahl nitrogen and nitrite plus nitrate. Because of estimated and below detection level values in the constituents, the annual average concentrations of total nitrogen for 2001, 2002, and 2003 were estimates. The annual average concentrations for 2004 and 2005 were 0.207 and 0.160 mg/L. The objective was not violated. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The site-specific objective (from Lahontan Basin Plan Table 3-17) includes an annual average total nitrogen concentration of 0.5 mg/L and a 90th percentile value of 0.6 mg/L. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Crowley Lake, was sampled. |
Temporal Representation: | Sixteen quarterly samples each were collected for total Kjeldahl nitrogen and nitrite plus nitrate between 2001 and 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10416 |
LOE ID: | 21410 |
Pollutant: | Turbidity |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 4 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey measured turbidity as NTRU at Hilton Creek between 2004 and 2005 under the Region 6 SWAMP program. Three of four turbidity measurements reported as NTRU were below detection levels; the remaining sample was 27 NTRU. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The regionwide turbidity objective in the Lahontan Basin Plan states: "Waters shall be free of changes in turbidity that cause nuisance or adversely affect the water for beneficial uses. Increases in turbidity shall not exceed natural levels by more than 10 percent." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Four quarterly turbidity measurements expressed as NTRU were taken in 2004 and 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): | |
| |
LOE ID: | 5678 |
Pollutant: | Turbidity |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 11 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey measured turbidity as NTU at Hilton Creek between 2001 and 2004 under the Region 6 SWAMP program. . Eleven turbidity measurements recorded as NTU ranged from <2.0 to 5 NTU. Four of these samples were estimated or below detection level values. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The regionwide turbidity objective in the Lahontan Basin Plan states: "Waters shall be free of changes in turbidity that cause nuisance or adversely affect the water for beneficial uses. Increases in turbidity shall not exceed natural levels by more than 10 percent." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Eleven quarterly turbidity measurements expressed as NTU were collected between 2001 and 2004 |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): | |
| |
LOE ID: | 21411 |
Pollutant: | Turbidity |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 4 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey measured turbidity as NTRU at Hilton Creek between 2004 and 2005 under the Region 6 SWAMP program. Three of four turbidity measurements reported as NTRU were below detection levels; the remaining sample was 27 NTRU. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | There are no state or federal water quality standards or criteria for turbidity expressed as NTRU. The California Maximum Contaminant Level (MCL) for turbidity is 5 NTU. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Four quarterly turbidity measurements reported as NTRU were taken in 2004 and 2005.. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): | |
| |
LOE ID: | 5679 |
Pollutant: | Turbidity |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Municipal & Domestic Supply |
Number of Samples: | 11 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey measured turbidity as NTU at Hilton Creek between 2001 and 2004 under the Region 6 SWAMP program. . Eleven turbidity measurements recorded as NTU ranged from <2.0 to 5 NTU. Four of these samples were estimated or below detection level values. The MCL was not exceeded. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | California Maximum Contaminant Levels (MCLs) apply to ambient waters under the Lahontan Basin Plan's "Chemical Constituents" objective. The MCL for turbidity is 5 NTU. |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Eleven quarterly turbidity measurements expressed as NTU were taken between 2001 and 2004. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |
Lines of Evidence (LOEs) for Decision ID 10422 |
LOE ID: | 5672 |
Pollutant: | pH |
LOE Subgroup: | Pollutant-Water |
Matrix: | Water |
Fraction: | None |
Beneficial Use: | Cold Freshwater Habitat |
Number of Samples: | 14 |
Number of Exceedances: | 0 |
Data and Information Type: | Fixed station physical/chemical (conventional plus toxic pollutants) |
Data Used to Assess Water Quality: | The U.S. Geological Survey sampled Hilton Creek between 2001 and 2005 under the Region 6 SWAMP program. The pH values in 14 field measurements ranged from 7.1 to 7.9 units. |
Data Reference: | 2007. SWAMP Data for the Owens Hydrologic Unit |
Water Quality Objective/Criterion: | The Lahontan Basin Plan's regionwide objective for pH states: " In fresh waters with designated beneficial uses of COLD or WARM, changes in normal ambient pH levels shall not exceed 0.5 pH units. For all other waters of the region, the pH shall not be depressed below 6.5 nor raised above 8.5 units.
The Regional Board recognizes that some waters of the Region may have natural pH levels outside of the 6.5 to 8.5 range. Compliance with the pH objective for these waters will be determined on a case-by-case basis." |
Objective/Criterion Reference: | 2007. Water Quality Control Plan for the Lahontan Region (as amended). |
Evaluation Guideline: | |
Guideline Reference: | |
Spatial Representation: | One station, Hilton Creek at Lake Crowley, was sampled. |
Temporal Representation: | Fourteen quarterly pH measurements were collected between 2001 and 2005. |
Environmental Conditions: | Hilton Creek is a tributary of Crowley Lake, a reservoir on the Owens River. The creeks headwaters are near the Sierra Nevada crest. Section 319-funded watershed restoration work to address livestock grazing problems has been completed. In addition to the Cold Freshwater Habitat beneficial use, Hilton Creek is designated for the Spawning, Reproduction and Development use. |
QAPP Information: | The data meet the quality assurance requirements of the SWAMP QAPP. |
QAPP Information Reference(s): |