Clifton Court Forebay
Clifton Court Forebay in Contra Costa County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 2215 acres.
- Area
- 2,215 acres
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Why Clifton Court Forebay 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 Clifton Court Forebay, 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.
Clifton Court Forebay is a 2,215-acre lake in Contra Costa County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled recent years. Grade methodology: LakeQuality methodology.
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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 Clifton Court Forebay
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 Clifton Court Forebay
Compare lakeside cabins, hotels, and vacation rentals near Clifton Court Forebay in Contra Costa 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 Clifton Court Forebay
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 2,215 acres |
No bathymetric survey has been published for Clifton Court Forebay, so its depth is not documented here.
Fishing Clifton Court Forebay
Nearby Lakes in Contra Costa County
Frequently asked questions about Clifton Court Forebay
Where is Clifton Court Forebay?
- Clifton Court Forebay is a lake in Contra Costa 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 Clifton Court Forebay?
- Clifton Court Forebay in Contra Costa County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 2215 acres.
Is Clifton Court Forebay safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Clifton Court Forebay is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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Where this data comes from
Measurements for Clifton Court Forebay come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.