Where is Horsethief Reservoir?

Horsethief Reservoir is a lake in Valley County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.

Are there boat ramps on Horsethief Reservoir?

Horsethief Reservoir has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Horsethief Reservoir, Horsethief Reservoir. Public access is listed as yes.

Can I fish at Horsethief Reservoir?

Horsethief Reservoir has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Idaho's fish and wildlife agency, so check its current regulations before you go.

Horsethief Reservoir

Valley County, Idaho247 acresView map Directions

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

Area

247 acres

Surface area

Shoreline

6 mi

Measured length

Public access

See the measurements Directions Where to stay

Horsethief Reservoir in Valley County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 247 acres.

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Horsethief Reservoir is a 247-acre lake in Valley County, Idaho. Limited fish-species data available. Public access is available with 2 public boat landings.

Source: EPA Water Quality Portal sampling records, IDEQ. Methodology: how these readings are compared.

What Horsethief Reservoir is good for

From access and monitoring records, not editorial picks.

Boat launch2 documented ramps

Swimming conditions

No reading

Not rated

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

Whether Horsethief Reservoir is safe to swim in today is a call for the Idaho Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Horsethief Reservoir

These are the measurements Idaho DEQ publishes for Horsethief 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 Horsethief Reservoir

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

Lake Details

Surface area

247 acres

Shoreline

6 mi

Public access

Yes

Listed by Idaho DEQ

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

Recreation & Access

Boat Landings

Yes

Public Access

Horsethief ReservoirPublic
Horsethief ReservoirPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

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Stays near Horsethief Reservoir

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Fishing Horsethief Reservoir

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

Nearby Lakes in Valley County

Corral Creek Reservoir3.5 miView →Davis Reservoir3.8 miView →Jemima K Reservoir6.6 miView →Cascade R W of Sugarloaf Island Lake8.2 ft clear · Eutrophic11.5 miView →Cas Reservoir Inlet Between Lf And4.3 ft clear · Eutrophic—View →Warm Lake—View →

Frequently asked questions about Horsethief Reservoir

Where is Horsethief Reservoir?: Horsethief Reservoir is a lake in Valley County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.
What is the water quality of Horsethief Reservoir?: Horsethief Reservoir in Valley County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 247 acres.
Is Horsethief Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Horsethief Reservoir?: Horsethief Reservoir has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Horsethief Reservoir, Horsethief Reservoir. Public access is listed as yes.
Can I fish at Horsethief Reservoir?: Horsethief Reservoir has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Idaho's fish and wildlife agency, so check its current regulations before you go.