California 1998 Section 303(d) List Information

This document provides California's 1998 Clean Water Act Section 303(d) list, which was partially approved by US EPA on November 3, 1998. This version of California's 303(d) list was converted from an electronic file submitted by the California State Water Resources Control Board. US EPA believes this list to be identical to the hard copy of the final 303(d) list submitted by the State, but there may be minor discrepancies which US EPA did not find in comparing the electronic and hard copy versions of the 303(d) list provided by the State. To obtain a hard copy of the official 303(d) list submitted to US EPA by the State, contact Nancy Richard at (916) 657-0642. It should be noted that the San Diego Bay listing applies only to several small areas within the larger San Diego Bay waterbody unit. The California 1998 Section 303(d) list has been divided into sections based on Regional Water Quality Control Boards for easy online viewing. 1 - North Coast RWQCB 2 - San Francisco Bay RWQCB 3 - Central Coast RWQCB 4 - Los Angeles RWQCB 5 - Central Valley RWQCB 6 - Lahontan RWQCB 7 - Colorado River RWQCB 8 - Santa Ana RWQCB 9 - San Diego RWQCB Refer to the key for category descriptions. Technical Notes: In order to sucessfully print these documents, you should set all page margins to zero in your printer setup. Note that the Los Angeles RWQCB list is almost 500K in size and may be slower in loading. EPA has identified several additional waters and pollutants for inclusion on California's 1998 303(d) list which were not included by the State. These additional waters and pollutants are listed below. EPA is accepting public comments concerning these additional listings until December 4, 1998. EPA will announce a final listing decision concerning these additional waters following conclusion of the comment period. EPA Additions to 1998 California 303(d) List Regional Board Waterbody/Segment Pollutant(s) Priority Ranking 1 Stemple Creek Estero de San Antonio nutrients low 2 San Francisco Bay (8 segments): dioxin-like compounds DDT dieldrin chlordane high low low low 2 Lake Merritt dissolved oxygen floating material low low 2 San Francisco Urban Creeks (35 waterbodies) diazinon low 4 Santa Clara River, Reaches 7 and 8 chlorides medium 5 Stockton Deep Water Channel dioxins PCBs medium Key To California 303(d) List Table WBSCS: Regional Water Quality Control Board number   1 - North Coast RWQCB 2 - San Francisco Bay RWQCB 3 - Central Coast RWQCB 4 - Los Angeles RWQCB 5 - Central Valley RWQCB 6 - Lahontan RWQCB 7 - Colorado River RWQCB 8 - Santa Ana RWQCB 9 - San Diego RWQCB WBTYPE: Water Body Type   E - Estuary L - Lake/Reservoir R - River/Stream W - Wetland-freshwater O - Ocean/Open Bay S - Saline Lake T - Wetland, tidal C - Coastal Shoreline HYDR UNIT: State Water Resources Control Board hydrological subunit area CAUSE: Pollutant or stressor of concern SOURCE: Pollutant or stressor source(s) of concern PRIORITY: Priority ranking for TMDL development SIZE AFFECT: Size of affected area of listed water body UNIT: Miles or acres START DATE: Scheduled start date for TMDL as year or month/year END DATE: Scheduled completion date for TMDL as year or month/year GROUP A PESTICIDES: aldrin, dieldrin, chlordane, endrin, heptachlor, heptachlor epoxide, hexachlorocyclohexane (including lindane), endosulfan, and toxaphene