Kern River

River in California, past Kernville and Lake Isabella

No current status shown

No current status is assigned to this water outline. Check the water page for reports and any estimated downstream stretches. Why this status, and its source

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

Square boat markers mark boat launches listed by OpenBoatLaunch. Larger round markers with a label mark beach and other official advisories nearby.

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About this status

No current status shown: no report we track sets a status on this water now; how statuses work. No status does not mean the water is safe. Follow posted signs and local health advice.

Sources checked: Surface Water - Freshwater Harmful Algal Blooms (last successful check 2026-11-06 08:37 UTC). Status by DirtyWaterWatch, updated 2026-11-06 09:03 UTC. · Updated Nov 6, 2026, 1:03 AM PST

The last 90 days

Last 90 days, hour by hour. Red: discharge or advisory reported. Amber: caution. Hatched amber: end not confirmed. Plum: algal bloom advisory. Red or amber with a light line inside: beach advisory or caution. Dotted: monthly report (days with discharge, dates not given). Grey: no current status on the water outline. Purple hatching: a status resting on a source that could not be checked on schedule.

No discharge, advisory or caution periods are shown for this water in this time span. Check downstream stretches and source coverage.

Source: DirtyWaterWatch calculations using the reports named above and the published status rules. Updated 2026-11-06 09:03 UTC.

Reported discharges over time

Historical charts are not available here. See the reports and sources on this page.

Reports linked to Kern River

Cyanobacteria (harmful blue-green algae) can make water unfit for contact; the issuing authority decides when its advisory ends.

Reports linked to Kern River, newest first
When	Report	Status
Aug 31	California State Water Resources Control Board (FHAB program) · Keysville Beach, Kern River · Algae advisory · volume not reported report · notice · map	listed
Aug 16 ’16to Dec 31 ’16	California State Water Resources Control Board (FHAB program) · Algae advisory · volume not reported report · notice · map	lifted

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.

Download these reports as CSV

All reports in California by year: 2026 (1 here) · 2016 (1 here)

Wastewater outlets on this water

Outfall: a pipe or outlet where wastewater enters a water body.

No wastewater outlet in our records is linked to this water.

Boat launches

Bodfish Exit Site Granite Launch BTAF, Lake Isabella · Carry-in launch (canoe and kayak)
Delonegha River Access Boating Site, Lake Isabella · Boat ramp
Democrat Raft Take-out Boating Site, Lake Isabella · Boat ramp
Johnsondale Bridge BTAF, Kernville · Carry-in launch (canoe and kayak)
Kern River Boat Launch near Lake Isabella · Boat ramp
Miracle Launch, Lake Isabella · Boat ramp
Sandy Flat Put-in/Take-out Boating Site, Lake Isabella · Boat ramp

Source: OpenBoatLaunch launch records (public agency data and OpenStreetMap, Open Database License). · Kern River on OpenBoatLaunch

Nearby waters

Salmon Creek, CA No current status shown about 40 km away
Lake Isabella, CA No current status shown about 49 km away
Lake Kaweah, CA Algal bloom advisory about 49 km away
Mill Creek, CA No current status shown about 62 km away
Sand Creek, CA No current status shown about 77 km away

Sources covering this water

Surface Water - Freshwater Harmful Algal Blooms · Latest check succeeded · Last successful check: 2026-11-06 08:37 UTC

2 records linked to this water. Updated Nov 6, 2026, 1:03 AM PST.