Where is Williams Reservoir?

Williams Reservoir is a lake in Modoc County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Williams Reservoir

Modoc County, California317 acresView map Directions

No nutrient or algae sampling on record from SWRCB for this lake.

Area

317 acres

Surface area

See the measurements Directions Where to stay

Williams Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 317 acres.

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Williams Reservoir is a 317-acre lake in Modoc County, California.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Williams Reservoir 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.

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Water quality measurements for Williams Reservoir

These are the measurements SWRCB publishes for Williams Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Williams Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

317 acres

No bathymetric survey has been published for Williams Reservoir, so its depth is not documented here.

Stays via Stay22

Stays near Williams Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Williams Reservoir in Modoc 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 Williams Reservoir

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Fishing Williams Reservoir

→ Williams Reservoir fishing regulations (limits, seasons, special rules)

Nearby Lakes in Modoc County

Duncan Reservoir2 miView →Six-Shooter Stock Tank1.7 miView →Stovepipe Flat Tank3.7 miView →Reservoir F3.8 miView →Hog Lake4.1 miView →Reservoir N6.5 miView →

Frequently asked questions about Williams Reservoir

Where is Williams Reservoir?: Williams Reservoir is a lake in Modoc County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Williams Reservoir?: Williams Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 317 acres.
Is Williams Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.