California Regulatory Risk
43,922 regulatory events on record for California, which administers water under dual (prior appropriation + riparian) doctrine. Events come from EPA enforcement and compliance data, the Superfund and hazardous waste registries, USGS flood and streamflow monitoring and the US Drought Monitor, and are matched to nearby springs, wells and aquifers on their asset pages.
Most recent alerts
Hazardous Waste Facility: Hosokawa Micron International Inc
mediumRCRA-permitted hazardous waste facility in Sonoma County, California. Address: 150 Todd Road, Santa Rosa. RCRA ID: CAC003396276. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: 7474 Bp Llc
mediumRCRA-permitted hazardous waste facility in Orange County, California. Address: 7474 Garden Grove Blvd, Westminster. RCRA ID: CAC003372669. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Hosokawa Micron International Inc
mediumRCRA-permitted hazardous waste facility in Sonoma County, California. Address: 150 Todd Road, Santa Rosa. RCRA ID: CAC003382603. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: H C Muddox Sacramento
mediumRCRA-permitted hazardous waste facility in Sacramento County, California. Address: 4875 Bradshaw Rd, Sacramento. RCRA ID: CAL000500228. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Emerald Transporter
mediumRCRA-permitted hazardous waste facility in Los Angeles County, California. Address: 5756 Alba St, Vernon. RCRA ID: CAC003204854. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Reyes Holdings
mediumRCRA-permitted hazardous waste facility in Alameda County, California. Address: 14655 Wicks Blvd, San Leandro. RCRA ID: CAC003381267. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Nutrien Ag Solutions
mediumRCRA-permitted hazardous waste facility in Fresno County, California. Address: 12325 N Dos Palos Rd, Firebaugh. RCRA ID: CAL000501748. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Mandalay Generating Station
mediumRCRA-permitted hazardous waste facility in Ventura County, California. Address: 393 N Harbor Blvd, Oxnard. RCRA ID: CAC003375414. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Emerald Transformer
mediumRCRA-permitted hazardous waste facility in Los Angeles County, California. Address: 5756 Alba St, Vernon. RCRA ID: CAC003194735. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Westlake Royal Roofing Llc
mediumRCRA-permitted hazardous waste facility in San Bernardino County, California. Address: 3511 N Riverside Ave, Rialto. RCRA ID: CAL000499992. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Former Exide Lead Acid Battery Recycling Facility
mediumRCRA-permitted hazardous waste facility in Los Angeles County, California. Address: 2700 S Indiana Street, Vernon. RCRA ID: CAR000314831. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Lineage Logistics
mediumRCRA-permitted hazardous waste facility in Riverside County, California. Address: 3251 De Forest Cir, Mira Loma. RCRA ID: CAL000501172. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Los Angeles County Dept Of Public Works Gmed
mediumRCRA-permitted hazardous waste facility in Los Angeles County, California. Address: 8841 Slauson Avenue, Pico Rivera. RCRA ID: CAC003394472. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: El Dorado Irrigation District
mediumRCRA-permitted hazardous waste facility in El Dorado County, California. Address: 1835 Francisco Drive, El Dorado Hills. RCRA ID: CAC003381091. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Cobblestone Fruit Reedley
mediumRCRA-permitted hazardous waste facility in Fresno County, California. Address: 1750 S Buttonwillow Ave, Reedley. RCRA ID: CAL000499086. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Sunopta Aseptic
mediumRCRA-permitted hazardous waste facility in Stanislaus County, California. Address: 555 Mariposa Rd, Modesto. RCRA ID: CAL000499337. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Diamond Foods
mediumRCRA-permitted hazardous waste facility in San Joaquin County, California. Address: 1050 Diamond St, Stockton. RCRA ID: CAC003397320. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Robert A Weese Filtration Plant
mediumRCRA-permitted hazardous waste facility in San Diego County, California. Address: 3885 Silverleaf Lane, Vista. RCRA ID: CAC003394863. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Pg E Pittsburg Switchyard
mediumRCRA-permitted hazardous waste facility in Contra Costa County, California. Address: 696 W 10Th Street, Pittsburg. RCRA ID: CAR000408914. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: Sealy Mattress Manufacturing Company Llc
mediumRCRA-permitted hazardous waste facility in Contra Costa County, California. Address: 1130 7Th St, Richmond. RCRA ID: CAC003393346. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: American Integrated Services Inc
mediumRCRA-permitted hazardous waste facility in Los Angeles County, California. Address: 2700 S Indiana Street, Vernon. RCRA ID: CAC002975279. Source: EPA Envirofacts / RCRA.
Hazardous Waste Facility: De Soto Pump And Chlorination Station
mediumRCRA-permitted hazardous waste facility in Los Angeles County, California. Address: 11200 De Soto Avenue, Chatsworth. RCRA ID: CAC003379554. Source: EPA Envirofacts / RCRA.
DEER C A ROAD 272 BRIDGE NR PORTERVILLE CA — Gage Height 34.7 ft
criticalUSGS monitoring station 11201095 reporting gage height of 34.7 ft. Reading: 2026-09-07T04:00:00. Location: 36.0036722, -118.9643639. Source: USGS National Water Information System.
SAN JOAQUIN R NR NEWMAN CA — Gage Height 47.9 ft
criticalUSGS monitoring station 11274000 reporting gage height of 47.9 ft. Reading: 2026-09-07T03:45:00. Location: 37.35046585, -120.9771121. Source: USGS National Water Information System.
SALINAS R A PASO ROBLES CA — Gage Height 12.2 ft
lowUSGS monitoring station 11147500 reporting gage height of 12.2 ft. Reading: 2026-09-07T04:30:00. Location: 35.6285813, -120.6843373. Source: USGS National Water Information System.
WHITE R NR DUCOR CA — Gage Height 13.4 ft
mediumUSGS monitoring station 11199500 reporting gage height of 13.4 ft. Reading: 2026-09-07T04:00:00. Location: 35.814583, -118.928319. Source: USGS National Water Information System.
CROSS C A KANSAS AVE NR HANFORD CA — Gage Height 12.9 ft
lowUSGS monitoring station 11212260 reporting gage height of 12.9 ft. Reading: 2026-09-07T04:00:00. Location: 36.211, -119.568636. Source: USGS National Water Information System.
SAN JOAQUIN R AB MERCED R NR NEWMAN CA — Gage Height 48.1 ft
criticalUSGS monitoring station 11273400 reporting gage height of 48.1 ft. Reading: 2026-09-07T04:30:00. Location: 37.34718815, -120.9761399. Source: USGS National Water Information System.
GIBRALTAR DAM RELEASE WEIR A GIBRALTAR DAM CA — Gage Height 15.2 ft
mediumUSGS monitoring station 11122010 reporting gage height of 15.2 ft. Reading: 2026-09-07T04:30:00. Location: 34.52415139, -119.6873223. Source: USGS National Water Information System.
CUYAMA R NR NEW CUYAMA CA — Gage Height 14.6 ft
mediumUSGS monitoring station 11136710 reporting gage height of 14.6 ft. Reading: 2026-09-07T03:50:00. Location: 35.0561111, -119.9595472. Source: USGS National Water Information System.