Regional approaches to agricultural runoff in California
Contents
Region 1 -- North Coast
Summary
The North Coast RWQCB monitors and regulates water quality for the following counties: Del Norte, Glenn, Humboldt, Lake, Marin, Mendocino, Modoc, Siskiyou, Sonoma, and Trinity counties.
Stakeholders and Organizations Involved
- North Coast Regional Water Quality Control Board RWQCB
Status/Current Issues
Region 2 -- San Francisco
Summary
The San Francisco RWQCB monitors and regulates water quality for the following counties: Alameda, Contra Costa, San Francisco, Santa Clara (north of Morgan Hill), San Mateo, Marin, Sonoma, Napa, Solano counties.
Stakeholders and Organizations Involved
- San Francisco Regional Water Quality Control Board RWQCB
Status/Current Issues
Region 3 -- Central Coast
See Conditional waiver of waste discharge requirements for irrigated lands
Region 4 -- Los Angeles
Summary
The Los Angeles RWQCB monitors and regulates water quality for Los Angeles and Ventura counties in addition to small portions of Kern and Santa Barbara counties.
Stakeholders and Organizations Involved
- Los Angeles Regional Water Quality Control Board RWQCB
Status/Current Issues
Region 5 -- Central Valley
Summary
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.
Stakeholders and Organizations Involved
- Central Valley Regional Water Quality Control Board valley/ RWQCB
Status/Current Issues
Region 6 -- Lahontan
Summary
The Lahontan RWQCB monitors and regulates water quality for the following counties:Modoc (East), Lassen (East side and Eagle Lake), Sierra, Nevada, Placer, El Dorado,Alpine, Mono, Inyo, Kern (East), San Bernardino, Los Angeles (N/E corner) counties. However, no plans exist at this time to adopt waivers for agricultural discharges; although it may ultimately be addressed to implement TMDLs.
Stakeholders and Organizations Involved
- Lahontan Regional Water Quality Control Board RWQCB
Status/Current Issues
Region 7 -- Colorado River Region
Summary
The Colorado River RWQCB monitors and regulates water quality for Imperial, San Bernardino, Riverside and San Diego counties.
Stakeholders and Organizations Involved
- Colorado River Regional Water Quality Control Board RWQCB
Status/Current Issues
Region 8 -- Santa Ana
Summary
The Santa Ana RWQCB monitors and regulates water quality for Orange, Riverside and San Bernardino counties.
Stakeholders and Organizations Involved
- Santa Ana Regional Water Quality Control Board RWQCB
Status/Current Issues
Region 9 -- San Diego
Summary
The San Diego RWQCB monitors and regulates water quality for San Diego, Imperial and Riverside counties.
Stakeholders and Organizations Involved
- San Diego Regional Water Quality Control Board RWQCB
