California / Waters /
Lake Oroville
Reservoir in California, near Cherokee, Oroville and Paradise
Current status
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.
Bookmark this water page and check it before each trip · Report a missing notice or error
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
The last 90 days
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 Lake Oroville
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) · North Fork · Algae advisory · volume not reported report · 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.
All reports in California by year: 2025 (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
- Bidwell Canyon ramp at the marina (Lake Oroville SRA) · Boat ramp
- Dark Canyon Boat Launch, Paradise · Boat ramp
- Lake Oroville SRA (Bidwell Canyon) · Boat ramp
- Lake Oroville SRA (Enterprise Area) · Boat ramp
- Lake Oroville SRA (Lime Saddle) · Boat ramp
- Lake Oroville SRA (Spillway) · Boat ramp
- Lake Oroville SRA(Loafer Creek Boat Ramp) · Boat ramp
- Loafer Point Stage I boat ramp (Lake Oroville SRA) · Boat ramp
- Loafer Point Stage II boat ramp (Lake Oroville SRA) · Boat ramp
- Nelson's Bar Boat Ramp, Paradise · Boat ramp
- Stringtown / McCabe Cove Boat Launch, Oroville · Boat ramp
- Vinton Gulch Boat Ramp, Cherokee · Boat ramp
Source: OpenBoatLaunch launch records (public agency data and OpenStreetMap, Open Database License). · Lake Oroville on OpenBoatLaunch
Nearby waters
- Dry Creek, CA No current status shown about 31 km away
- New Bullards Bar Reservoir, CA No current status shown about 32 km away
- Sacramento River, CA Discharge possible: heavy rain, no report received about 48 km away
- Sanford Creek, CA No current status shown about 48 km away
- Deer Creek, CA No current status shown about 50 km away
Sources covering this water
- Surface Water - Freshwater Harmful Algal Blooms · Latest check succeeded · Last successful check: 2026-11-06 08:37 UTC
1 record linked to this water. Updated .