Brannan Reservoir
Sweetwater County, Wyoming99 acresView mapDirections
No nutrient or algae sampling on record from Wyoming DEQ for this lake.
Brannan Reservoir in Sweetwater County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Surface area: 99 acres.
Brannan Reservoir is a 99-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 Brannan 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 Brannan Reservoir
These are the measurements Wyoming DEQ publishes for Brannan 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
99 acres
Shoreline
1.8 mi
No bathymetric survey has been published for Brannan Reservoir, so its depth is not documented here.
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Frequently asked questions about Brannan Reservoir
Where is Brannan Reservoir?
- Brannan 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 Brannan Reservoir?
- Brannan Reservoir in Sweetwater County, Wyoming has water-quality measurements published by Wyoming DEQ, shown here as reported. Surface area: 99 acres.
Is Brannan 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 Brannan Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.