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California sewage discharges, October 2026
63 records of sewage discharges and water advisories in California dated in October 2026, newest first. Each record keeps the source's own times and wording.
Source: the agencies, sewer operators and EPA records named on each row and on the Sources page. Updated 2026-11-06 09:03 UTC.
Cyanobacteria (harmful blue-green algae) can make water unfit for contact; the issuing authority decides when its advisory ends. Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.
| When | Report | Status |
|---|---|---|
| California State Water Resources Control Board (FHAB program) · “private pond” · corbett canyon rd, arroyo grande 93420 · Algae advisory · volume not reported report · notice · map | to Nov 6, 8:00 PM PST | |
| to 11:16 PM PDT | Long Beach Utilities Department · [house number removed] E Division ST · SSO · 29,000 gallons report · notice · map | ended |
| to 6:19 PM PDT | City of San Diego Public Utilities Department · Not-40201455237 · SSO · 890 gallons report · notice · map | ended |
| to 11:20 AM PDT | Moulton Niguel Water District · Lower Boundary Oak · SSO · 200 gallons report · notice · map | ended |
| to 6:30 PM PDT | Adelanto Public Utility Authority · Manhole ADEL-SMH313 Intersection Vintage and Stevens · SSO · 404 gallons report · notice · map | ended |
| to 2:15 PM PDT | Humboldt CSD · Humboldt Bay, Pacific Ocean · Buhne and Crab - King Salmon, CA · SSO · 45 gallons report · notice · map | ended |
| City of Corning · Marguerite-Divisadero · SSO · 750 gallons report · notice · map | reported | |
| to 12:20 PM PDT | City of San Mateo · San Mateo Creek · [house number removed] Flores St. · SSO · 170 gallons report · notice · map | ended |
| to 4:30 PM PDT | City of San Jose Environmental Services · “Ruby Creek” · [house number removed] Floresta Drive San Jose CA 95148 · SSO · 520 gallons report · notice · map | ended |
| City of La Verne · [house number removed] Puddingstone Dr, Franklin Lift Station · SSO · 1,500 gallons report · notice · map | reported | |
| to 9:00 AM PDT | South Tahoe PUD · HWY 89 mile marker 19 · SSO · 50 gallons report · notice · map | ended |
| California State Water Resources Control Board (FHAB program) · Dry Creek · Lower Sacramento bridge and dry creek in galt · Algae advisory · volume not reported report · notice · map | to Nov 9, 8:00 PM PST | |
| to 9:20 PM PDT | City of Whittier · [house number removed] Rideout Pl · SSO · 60 gallons report · notice · map | ended |
| to 9:45 PM PDT | Sacramento Area Sewer District · Strong Ranch Slough · 391435 · SSO · 3,899 gallons report · notice · map | ended |
| to 11:03 AM PDT | Town Of Hillsborough · [house number removed] Severn Ln · SSO · 165 gallons report · notice · map | ended |
| to 6:35 PM PDT | Midway City Sanitation District · Pacific Ocean · [house number removed] Lafayette St, Westminster, CA · SSO · 330 gallons report · notice · map | ended |
| to 9:50 AM PDT | City of Santa Cruz · [house number removed] Morrissey Blvd. · SSO · 980 gallons report · notice · map | ended |
| California State Water Resources Control Board (FHAB program) · “Lower avocet lake” · Cypress ridge golf ciurse · Algae advisory · volume not reported report · notice · map | reported | |
| to 3:11 PM PDT | City of Belmont · Laurel Creek · [house number removed] San Juan · SSO · 722 gallons report · notice · map | ended |
| to 3:50 PM PDT | Western Municipal Water District · Nandina Ave. & Dauby Ct. · SSO · 7,350 gallons report · notice · map | ended |
| to 12:55 PM PDT | Los Angeles County Public Works (Consolidated Sewer Maintenance District) · Rio Hondo · 2121-0277 ([house number removed] Lynd Avenue, Arcadia, CA) Unincorporated County Area · SSO · 500 gallons report · notice · map | ended |
| to 10:00 PM PDT | City of Lomita · “Machado Lake” · 1652 ([house number removed] Appian Way, Lomita, CA 90717) · SSO · 900 gallons report · notice · map | ended |
| to 11:45 AM PDT | Sacramento Area Sewer District · Chicken Ranch Slough · 391016 · SSO · 179 gallons report · notice · map | ended |
| to 12:14 PM PDT | City of San Diego Public Utilities Department · Chollas Creek · NOT- 40201451465 [house number removed] 49TH ST. · SSO · 4,260 gallons report · notice · map | ended |
| to 11:30 AM PDT | Sausalito-Marin City San District · Richardson Bay · [house number removed] Woodward Ave · SSO · 972 gallons report · notice · map | ended |
| Ventura Regional Sanitation District · Santa Clara River · [house number removed] Lirio · SSO · 1,486 gallons report · notice · map | to Nov 16, 4:00 PM PST | |
| to 3:15 PM PDT | Los Angeles County Public Works (Consolidated Sewer Maintenance District) · Los Angeles River · 1861-0140 ([house number removed] S. Eastern Ave, Los Angeles, CA) Unincorporated County Area · SSO · 200 gallons report · notice · map | ended |
| to 8:40 AM PDT | City of San Dimas · Walnut Creek · 2387-0195 ([house number removed] Paseo Dorado, San Dimas, CA 91773) · SSO · 50 gallons report · notice · map | ended |
| to 1:00 PM PDT | City of Riverside · [house number removed] Roosevelt St · SSO · 510 gallons report · notice · map | ended |
| to 12:02 PM PDT | City of San Jose Environmental Services · [house number removed] Bethany Avenue San Jose CA 95132 · SSO · 221 gallons report · notice · map | ended |
| to 8:06 AM PDT | US Marine Corps Base Camp Pendleton · Pilgrim Creek · Bldg 14036 Mess Hall · SSO · 205 gallons report · notice · map | ended |
| California State Water Resources Control Board (FHAB program) · Pinto Lake · Watsonville · Algae advisory · volume not reported report · notice · map | listed | |
| to 8:30 PM PDT | City of San Diego Public Utilities Department · NOT-40201450576 [house number removed] MISTRAL PL. · SSO · 1,940 gallons report · notice · map | ended |
| to Oct 15, 7:24 AM PDT | Rancho Santa Fe Community Services District · “No official name; creek that runs through the RSF Golf Course” · [house number removed] Avenida De Acacias, Rancho Santa Fe, CA. 92067 · SSO · 53,000 gallons report · notice · map | ended |
| to 4:03 PM PDT | City of Oakland Public Works · Arroyo Viejo · Grass Valley & Golf Links Rd · SSO · 369 gallons report · notice · map | ended |
| to 9:09 AM PDT | City of Beverly Hills (DPW) · [house number removed] Schuyler Road · SSO · 460 gallons report · notice · map | ended |
| California State Water Resources Control Board (FHAB program) · “Big Chico Creek” · ~1.1km below Ponderosa Way (509BCMCPD) · Algae advisory · volume not reported report · notice · map | reported | |
| California State Water Resources Control Board (FHAB program) · “Big Chico Creek (509BCCFRx)” · Forest Ranch · Algae advisory · volume not reported report · notice · map | reported | |
| to 3:30 PM PDT | City of Los Angeles LA Sanitation and Environment (Bureau of Sanitation) · [house number removed] North Chantilly Road · SSO · 198 gallons report · notice · map | ended |
| to 8:05 PM PDT | City of Burlingame (PWD) · [house number removed] Rivera · SSO · 307 gallons report · notice · map | ended |
| to Oct 13, 2:01 AM PDT | Long Beach Utilities Department · [house number removed] W. 8th Street Long Beach CA · SSO · 184 gallons report · notice · map | ended |
| to Oct 13, 4:45 PM PDT | City of Laguna Beach · [house number removed] Viejo Street · SSO · 6,300 gallons report · notice · map | ended |
| to 12:41 PM PDT | City of San Diego Public Utilities Department · “KENSINGTON HILLSIDE OPEN SPACE.” · Not- 40201449424 Aldine Dr. and Fairmount Ave. · SSO · 6,200 gallons report · notice · map | ended |
| to Oct 14, 10:25 AM PDT | Treasure Island Development Authority · Clipper Cove and Building 2 · SSO · 15,000 gallons report · notice · map | ended |
| to 10:50 AM PDT | City of Sutter Creek · Sutter Creek · [house number removed] Main Street · SSO · 2,000 gallons report · notice · map | ended |
| to 5:10 AM PDT | Coachella Valley WD · Mid Valley 1 Sewer Force Main @ Jefferson St. 1500' South of Ave. 52 · SSO · 3,000 gallons report · notice · map | ended |
| to 12:25 PM PDT | City of Red Bluff · [house number removed] Lakeside Drive · SSO · 65 gallons report · notice · map | ended |
| to 10:27 AM PDT | City of Pacifica · Brooks Creek · Brooks Creek @ rear of [house number removed] Perez Dr. · SSO · 60 gallons report · notice · map | ended |
| to 9:18 PM PDT | Long Beach Utilities Department · [house number removed] California Ave. Long Beach CA. · SSO · 840 gallons report · notice · map | ended |
| to 11:30 AM PDT | Elsinore Valley Municipal Water District · Mission Trail U-Wash Self Service Car Wash · SSO · 200 gallons report · notice · map | reported |
| to 12:20 PM PDT | Sacramento Area Sewer District · Strawberry Creek · 390123 · SSO · 228 gallons report · notice · map | ended |
| to 9:49 AM PDT | City of Oceanside · “Dry creek / canyon” · Leisure Village I LS - [house number removed] Cannon Rd. Oceanside, Ca. 92056 · SSO · 19,875 gallons report · notice · map | ended |
| to 2:15 PM PDT | City of San Diego Public Utilities Department · Not# 40201446001 West Washington St. · SSO · 2,300 gallons report · notice · map | ended |
| to 8:50 PM PDT | City of San Jose Environmental Services · [house number removed] Crosby Ct San Jose CA 95129 · SSO · 52 gallons report · notice · map | ended |
| to Oct 6, 7:30 AM PDT | Susanville SD · [house number removed] n. weatherlow st · SSO · 150 gallons report · notice · map | ended |
| to 3:00 PM PDT | City of Oakland Public Works · “54th Avenue, and Peralta Courtland, Seminary Creek” · [house number removed] International Blvd. · SSO · 243 gallons report · notice · map | ended |
| California State Water Resources Control Board (FHAB program) · “Independence Lake” · Independence Lake · Algae advisory · volume not reported report · notice · map | reported | |
| to 12:00 PM PDT | City of Los Angeles LA Sanitation and Environment (Bureau of Sanitation) · [house number removed] North Stanley Hills Drive · SSO · 187 gallons report · notice · map | ended |
| to Oct 5, 9:50 AM PDT | Sacramento Area Sewer District · Whitehouse Creek · 389959 · SSO · 258 gallons report · notice · map | ended |
| to Oct 6, 11:30 AM PDT | Madera County Public Works Department - Special Districts · [house number removed] Road 274 Bass Lake CA 93604 · SSO · 50 gallons report · notice · map | ended |
| California State Water Resources Control Board (FHAB program) · Lake Miramar · Miramar Reservoir · Algae advisory · volume not reported report · notice · map | listed | |
| to 10:37 PM PDT | City of Fairfield · Ledgewood Creek · [house number removed] Pebble Beach Cir. · SSO · 23,400 gallons report · notice · map | ended |
| to 9:38 PM PDT | UC Santa Barbara · Manzanita Village Student Housing · SSO · 160 gallons report · notice · map | ended |
Sources: Surface Water - Freshwater Harmful Algal Blooms, retrieved 2026-11-06 03:07 UTC; State Water Board CIWQS Sanitary Sewer System spill data: Cat1-2-3-Spills.txt (nightly flat file), retrieved 2026-11-05 15:08 UTC. A report's record id and times show when you hover or focus its "report" link.