Wilson Lake
Tehama County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for Wilson Lake. Here is what has been measured.
- Limited data
Wilson Lake in Tehama County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 50 µg/L.
Wilson Lake is a lake in Tehama County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2021-06-17. Methodology: how these readings are compared.
What Wilson Lake is good for
From access and monitoring records, not editorial picks.
- Camping2 public campgrounds nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Wilson Lake is safe to swim in today is a call for the California State Water Resources Control Board and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Wilson Lake
These are the measurements SWRCB publishes for Wilson Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 50 µg/L. TSI 61.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 50µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 61 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Wilson Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
Public campgrounds near Wilson Lake
- Gurnsey Creek Group Camp3.3 km
- Gurnsey Creek3.5 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Wilson Lake
Compare lakeside cabins, hotels, and vacation rentals near Wilson Lake in Tehama County, California — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Wilson Lake
Prices for Oct 9–11, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Follow Wilson Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Wilson Lake
Nearby Lakes in Tehama County
Frequently asked questions about Wilson Lake
Where is Wilson Lake?
- Wilson Lake is a lake in Tehama County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Wilson Lake?
- Wilson Lake in Tehama County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 50 µg/L.
Is Wilson Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Wilson Lake?
- Wilson Lake has 2 public campgrounds from USGS The National Map within 5 km, including Gurnsey Creek Group Camp, Gurnsey Creek. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
Explore Wilson Lake across LakeQuality
More lakes in California
Other Lakes in California
Eutrophic Lakes in California
Where this data comes from
1 measurement from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- California State Water Resources Control Board
CEDEN1 sample · 2021
Analytical methods
- SM 4500-P BE
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Public campgrounds from USGS The National Map Structures, within about 3 miles