California / Reports / 2026 /
California sewage discharges, April 2026
4 records of sewage discharges and water advisories in California dated in April 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.
| When | Report | Status |
|---|---|---|
| California State Water Resources Control Board (FHAB program) · Lake Havasu · Three Dunes Campground (714DUNES3) · Algae advisory · volume not reported · notice · map | listed | |
| California State Water Resources Control Board (FHAB program) · “Quarry Lakes” · Lago Los Osos at Alameda creek trail entrance · Algae advisory · volume not reported · notice · map | listed | |
| California State Water Resources Control Board (FHAB program) · “North Table Mountain Ecological Reserve” · Ntmer1 · Algae advisory · volume not reported · notice · map | listed | |
| California State Water Resources Control Board (FHAB program) · H. V. Eastman Lake · north of dam · Algae advisory · volume not reported · notice · map | listed |
Sources: Surface Water - Freshwater Harmful Algal Blooms, retrieved 2026-11-06 03:07 UTC. A report's record id and times show when you hover or focus its "report" link.