Black Butte Lake
Black Butte Lake in Glenn County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 2813 acres.
- Area
- 2,813 acres
- Public access
- Yes
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Why Black Butte Lake has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Black Butte Lake, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Black Butte Lake is a 2,813-acre lake in Glenn County, California. Limited fish-species data available. Public access is available with 3 public boat landings.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Black Butte Lake water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Black Butte Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Black Butte Lake
Compare lakeside cabins, hotels, and vacation rentals near Black Butte Lake in Glenn 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 Black Butte Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 2,813 acres |
| Public Access | Yes |
No bathymetric survey has been published for Black Butte Lake, so its depth is not documented here.
Recreation & Access
- Black Butte Lake (Buttes)Public
- Black Butte Lake (Eagle Pass)Public
- Black Butte Lake (Buckhorn Boat & Marina)Semi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Black Butte Lake
Nearby Lakes in Glenn County
Frequently asked questions about Black Butte Lake
Where is Black Butte Lake?
- Black Butte Lake is a lake in Glenn County, California. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Black Butte Lake?
- Black Butte Lake in Glenn County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 2813 acres.
Is Black Butte Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Black Butte Lake is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Black Butte Lake?
- Black Butte Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Black Butte Lake (Buttes), Black Butte Lake (Eagle Pass), Black Butte Lake (Buckhorn Boat & Marina). Public access is listed as yes.
Explore Black Butte Lake across LakeQuality
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Where this data comes from
Measurements for Black Butte Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory