Hay Reservoir
Sweetwater County, Wyoming530 acresView mapDirections
No nutrient or algae sampling on record from Wyoming DEQ for this lake.
Hay Reservoir in Sweetwater County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Surface area: 530 acres.
Hay Reservoir is a 530-acre lake in Sweetwater County, Wyoming.
Source: EPA Water Quality Portal sampling records, Wyoming DEQ. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Hay Reservoir is safe to swim in today is a call for the Wyoming Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Hay Reservoir
These are the measurements Wyoming DEQ publishes for Hay 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 Hay Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
530 acres
No bathymetric survey has been published for Hay Reservoir, so its depth is not documented here.
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Frequently asked questions about Hay Reservoir
Where is Hay Reservoir?
- Hay Reservoir is a lake in Sweetwater County, Wyoming. Its water-quality measurements are published by Wyoming DEQ and shown on this page as reported.
What is the water quality of Hay Reservoir?
- Hay Reservoir in Sweetwater County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Surface area: 530 acres.
Is Hay Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Hay Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.