California Code of Regulations › Title 23 - Waters › Division 4 - Regional Water Quality Control Boards › Chapter 1 - Water Quality Control Plans, Policies, and Guidelines › Article 4 - Los Angeles Region › Section 3938 - Total Maximum Daily Load for Bacteria During Dry Weather at Santa Monica Bay Beaches

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
This basin plan amendment establishes a Total Maximum Daily
					 Load (TMDL) for bacteria for Santa Monica Bay Beaches for summer (April to
					 October 31) and winter (November 1 to March 31) dry weather periods. The
					 TMDL:
(1) establishes the loading
				  capacity of the bay beaches as the maximum densities of the four bacterial
				  indicators (total coliform, fecal coliform, enterococcus, and total coliform
				  when fecal-to-total ratio exceeds 0.1) specified in the basin plan as
				  bacteriological water quality objectives for marine water having a water
				  contact beneficial use designation;
(2) specifies the maximum number of daily and
				  weekly sampling days per dry period which each of the 67 existing shoreline
				  monitoring stations may exceed any singe sample maximum density water quality
				  objective (no days of exceedance are allowed at any station during the summer
				  dry weather period);
(3) provides
				  that all responsible jurisdictions and agencies within a subwatershed are
				  jointly responsible for complying with the allowable number of exceedance days
				  for each associated shoreline monitoring site;
(4) establishes zero exceedance days during
				  summer and winter dry weather for the two Publicly Owned Treatment Works
				  discharging into Santa Monica Bay;
(5) specifies that the samples are to be
				  collected from the wave wash (the compliance point); and,
(6) specifies that the allowable exceedance
				  days, and the geometric bacteria density means (specified in the basin plan as
				  bacteriological water quality objectives) must be achieved within three years
				  for the summer dry weather period and within six years for the winter dry
				  weather period.
The amendment identifies the principal regulatory
					 mechanisms to be used to implement the TMDL as the Los Angeles County Municipal
					 Storm Water NPDES permit, the Caltrans Storm Water Permit, any future Phase 2
					 Municipal Storm Water NPDES permits within the Santa Monica Bay watershed
					 management area, the General Industrial Stormwater Permit, the General
					 Construction Stormwater Permit, the two NPDES permits for the POTWs, and the
					 authority vested in the Executive officer by Water Code section
					 13267.
1. New
					 section summarizing amendments to Basin Plan filed 12-9-2002; amendments
					 adopted by the Los Angeles Regional Water Quality Control Board 1-24-2002 per
					 Resolution No. 02-004. Approved by State Water Resources Control Board
					 Resolution 2002-0149; approved by OAL and effective 12-9-2002 pursuant to
					 Government Code section
					 11353
					 (Register 2002, No. 50).
2. Amendments to basin plan filed
					 11-7-2013; amendments approved by State Water Resources Control Board 3-19-2013
					 pursuant to Resolution No. 2013-0008; amendments approved by OAL pursuant to
					 Government Code section
					 11353
					 11-7-2013 (Register 2013, No. 45).