Where is Clarks Reservoir?

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

Clarks Reservoir

Modoc County, California84 acresView map Directions

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

Area

84 acres

Surface area

See the measurements Directions Where to stay

Clarks Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 84 acres.

Loading map…

Clarks Reservoir is a 84-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 Clarks 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.

Get alerts for Clarks Reservoir →

Water quality measurements for Clarks Reservoir

These are the measurements SWRCB publishes for Clarks 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 Clarks Reservoir

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

Lake Details

Surface area

84 acres

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

Stays via Stay22

Stays near Clarks Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Clarks 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 Clarks Reservoir

Prices for Oct 16–18, 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 Clarks Reservoir’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Clarks Reservoir

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

Nearby Lakes in Modoc County

Graven Reservoir1.9 miView →Bayley Reservoir2.9 miView →Delta Lake4.1 miView →Alkali Lake4.5 miView →Graves Reservoir7.2 miView →Donovan Reservoir9.7 miView →

Frequently asked questions about Clarks Reservoir

Where is Clarks Reservoir?: Clarks 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 Clarks Reservoir?: Clarks Reservoir in Modoc County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 84 acres.
Is Clarks Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.