Calaveras Lake
Calaveras Lake in Bexar County, Texas is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 3223 acres.
- Area
- 3,223 acres
- Public access
- Yes
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Why Calaveras 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 Calaveras 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 TCEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Calaveras Lake is a 3,223-acre lake in Bexar County, Texas. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, TCEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Calaveras 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 Calaveras 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 Calaveras Lake
Compare lakeside cabins, hotels, and vacation rentals near Calaveras Lake in Bexar County, Texas — 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 Calaveras Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 3,223 acres |
| Public Access | Yes |
No bathymetric survey has been published for Calaveras Lake, so its depth is not documented here.
Recreation & Access
- Calaveras Lake ParkPublic
- Calaveras Lake ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Calaveras Lake
Nearby Lakes in Bexar County
Frequently asked questions about Calaveras Lake
Where is Calaveras Lake?
- Calaveras Lake is a lake in Bexar County, Texas. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Calaveras Lake?
- Calaveras Lake in Bexar County, Texas is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 3223 acres.
Is Calaveras Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Calaveras 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 Calaveras Lake?
- Calaveras Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Calaveras Lake Park, Calaveras Lake Park. Public access is listed as yes.
Explore Calaveras Lake across LakeQuality
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Where this data comes from
Measurements for Calaveras 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