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The California Water Boards' Annual Performance Report - Fiscal Year 2010-11

REGULATE: WASTE DISCHARGES TO LAND - WDR

GROUP: LARGE MUNICIPAL WASTE FACILITIES
MEASURE: NUMBER OF PERMITS ADOPTED OR RENEWED
NUMBER OF PERMITS PAST RENEWAL DATE AS OF END OF FISCAL YEAR 2010-11
MESSAGE:   Approximately 53% of the permits are renewed within the recommended frequency.

MEASUREMENTS  - Data Last Updated on: 

 

WHAT THE MEASURE IS SHOWING

The number of municipal waste facilities with a permit past the the recommended review date is relatively high compared to total number of municipal wastewater facilities regulated under the program. Although 646 permits need to be reviewed, only 35 permits were reissued during fiscal year 09-10. The backlog of unreviewed permits varies among the different regional boards.

WHY THIS MEASURE IS IMPORTANT

Large Municipal facilities regulated under individual Waste Discharge Requirements (WDRs) typically represent a greater threat to water quality and greater complexity. WDRs are issued for the duration of the discharge and do not contain an expiration date. Regional Boards are authorized to review WDRs periodically pursuant to Section 13263(e) of the Porter-Cologne Water Quality Control Act. The State Legislature has found that many WDRs are out of date and therefore do not reflect existing laws, regulations, and revised Water Quality Control Plans.  The Water Boards recommend that WDRs be reviewed on a frequency of five, ten or fifteen years, based on the discharger’s Threat to Water Quality (TTWQ). WDRs that have not been reviewed/updated are considered to be backlogged. This measure describes the workload associated with existing requirements.

TECHNICAL CONSIDERATIONS

GLOSSARY

Large Municipal Facilities
Facilities discharging municipal waste serving a population equivalent to 1,000 people and with a design flow of greater than 100,000 gallons a day. This group only includes those facilities regulated with individual Waste Discharge Requirements (WDR).

Municipal Sources
Facilities that treat sewage or a mixture of predominantly sewage and other waste from districts, municipalities, communities, hospitals, schools, and publicly or privately owned systems (excluding individual surface leaching systems disposing of less than 1,000 gallons per day).

Waste Discharge Requirements Program
The Waste Discharge Requirements (WDR) Program regulates all point source discharges of waste to land that do not require full containment (which falls under the Land Discharge Program), or are not subject to the NPDES Program.

 

( Page last updated:  9/19/11 )

 
 

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