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LakeQuality

Black Sea Reservoir

Rosebud County, Montana66 acresView mapDirections

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

Area
66 acres
Surface area

Black Sea Reservoir in Rosebud County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 66 acres.

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Black Sea Reservoir is a 66-acre lake in Rosebud County, Montana.

Source: EPA Water Quality Portal sampling records, Montana DEQ. 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 Black Sea Reservoir is safe to swim in today is a call for the Montana 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 Black Sea Reservoir

These are the measurements Montana DEQ publishes for Black Sea 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

66 acres

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

Stays via Stay22

Stays near Black Sea Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Black Sea Reservoir in Rosebud County, Montana — 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 Black Sea Reservoir

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Nearby Lakes in Rosebud County

Frequently asked questions about Black Sea Reservoir

Where is Black Sea Reservoir?

Black Sea Reservoir is a lake in Rosebud County, Montana. Its water-quality measurements are published by Montana DEQ and shown on this page as reported.

What is the water quality of Black Sea Reservoir?

Black Sea Reservoir in Rosebud County, Montana has water-quality measurements published by Montana DEQ, shown here as reported. Surface area: 66 acres.

Measurements on this page ↑

Is Black Sea Reservoir safe to swim in?

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

Swimming on this page ↑

Where this data comes from

Measurements for Black Sea Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.