California Central Valley Region
From CCoWS Wiki
The Central Valley RWQCB monitors and regulates water quality for the following counties: Modoc, Shasta, Lassen, Plumas, Butte, Glen, Colusa, Lake, Sutter, Yuba, Sierra, Nevada, Placer, Yolo, Napa, (N. East), Solano (West), Sacramento, El Dorado, Amador, Calaveras, San Joaquin, Contra Costa (East), Stanislaus, Toulumne, Merced, Mariposa, Madera, Kings, Fresno, Tulare, Kern. (Very small portions of San Benito, San Luis Obispo) counties [1].
To write this section see Central Valley Regional Water Quality Control Board website RWQCB
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