| Water Body Name: | Cottonwood Creek (below LADWP diversion) |
| Water Body ID: | CAR6033000019980804091950 |
| Water Body Type: | River & Stream |
DECISION ID |
19206 |
Region 6 |
Cottonwood Creek (below LADWP diversion) |
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| Pollutant: | Flow alterations |
| Final Listing Decision: | Delist from 303(d) list (TMDL required list) |
| Last Listing Cycle's Final Listing Decision: | Delist from 303(d) list (TMDL required list)(2010) |
| Revision Status | Original |
| Reason for Delisting: | Flaws in original listing |
| Impairment from Pollutant or Pollution: | Pollution |
| Regional Board Staff Conclusion: | Regional Board Conclusion:
This pollutant was considered for removal from the section 303(d) list in a previous assessment cycle. No new information was reviewed for this current assessment cycle. Therefore, the previous conclusion remains unchanged, and is as follows: Based on the readily available data and information, the weight of evidence indicates that there is sufficient justification in favor of removing this water segment-pollutant combination from the section 303(d) list in the Water Quality Limited Segments category. This conclusion is based on the staff findings that the original listing basis is faulty due to lack of data and the fact that the listing was not for a pollutant. |
| Regional Board Staff Decision Recommendation: | No new data were assessed for this assessment cycle. The conclusion reached in the previous cycle remains in same. The Regional Board will update this decision when new data and information become available in a future assessment cycle. |
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| LOE ID: | 2842 | ||||
| Pollutant: | Flow alterations | ||||
| LOE Subgroup: | Testimonial Evidence | ||||
| Matrix: | Not Specified | ||||
| Fraction: | None | ||||
| Beneficial Use: | Cold Freshwater Habitat | ||||
| Aquatic Life Use: | Wildlife Habitat | ||||
| Number of Samples: | 0 | ||||
| Number of Exceedances: | 0 | ||||
| Data and Information Type: | Not Specified | ||||
| Data Used to Assess Water Quality: | The original basis for the listing of this water body was best professional judgment based on staff concerns regarding water diversions.
Therefore, this listing basis was faulty due to lack of data. Listing is not for a pollutant, and no pollutants have been identified related to this listing. Regional Board staff is not aware of evidence to indicate current water quality standards exceedances or beneficial use impacts related to this listing. |
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| Data Reference: | Placeholder reference 2006 303(d) | ||||
| SWAMP Data: | Non-SWAMP | ||||
| Water Quality Objective/Criterion: | |||||
| Objective/Criterion Reference: | |||||
| Evaluation Guideline: | |||||
| Guideline Reference: | |||||
| Spatial Representation: | |||||
| Temporal Representation: | |||||
| Environmental Conditions: | |||||
| QAPP Information: | QA Info Missing | ||||
| QAPP Information Reference(s): | |||||