Where is Oxbow Reservoir?

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

Oxbow Reservoir

Adams County, Idaho1,106 acresView map Directions

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

Area

1,106 acres

Surface area

Shoreline

25.3 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Oxbow Reservoir in Adams County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 1106 acres.

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Oxbow Reservoir is a 1,106-acre lake in Adams County, Idaho.

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

What Oxbow Reservoir is good for

From access and monitoring records, not editorial picks.

Big water1,106 acres

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Oxbow Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), other cause, pesticides, sediment / turbidity, temperature. Check local advisories before you swim.

Whether Oxbow 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 Oxbow Reservoir

These are the measurements Idaho DEQ publishes for Oxbow 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 Oxbow Reservoir

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

Lake Details

Surface area

1,106 acres

Shoreline

25.3 mi

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

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Stays near Oxbow Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Oxbow Reservoir in Adams County, Idaho — 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 Oxbow Reservoir

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Fishing Oxbow Reservoir

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

EPA Impairment Status

Oxbow Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)Other causePesticidesSediment / turbidityTemperature

Designated uses not supporting: Aquatic life, Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit ID17050201SW002_08 · Official waterbody report

Nearby Lakes in Adams County

Black Lake24.1 miView →Ben Ross Reservoir—View →Twin Lakes—View →Goose Lake—View →Brundage Reservoir—View →

Frequently asked questions about Oxbow Reservoir

Where is Oxbow Reservoir?: Oxbow Reservoir is a lake in Adams County, Idaho. Its water-quality measurements are published by Idaho DEQ and shown on this page as reported.
What is the water quality of Oxbow Reservoir?: Oxbow Reservoir in Adams County, Idaho has water-quality measurements published by Idaho DEQ, shown here as reported. Surface area: 1106 acres.
Is Oxbow Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Oxbow Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), other cause, pesticides, sediment / turbidity, temperature. Check local advisories before you swim.