Round Lake is a lake in Steuben County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.

Round Lake

Steuben County, Indiana34 acresView map Directions

IDEM publishes the water-quality measurements for Round Lake. Here is what has been measured.

Phosphorus

35.3 µg/L

Typical for Indiana

Measured by IDEM

Chlorophyll-a

2.8 µg/L

Less algae than most

Measured by IDEM

Area

34 acres

Surface area

Shoreline

1.1 mi

Measured length

Limited data

See the measurements Directions Where to stay

Round Lake in Steuben County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 35.3 µg/L. Chlorophyll-a (algae): 2.8 µg/L. Surface area: 34 acres.

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Round Lake is a 34-acre lake in Steuben County, Indiana.

Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2023-07-24. Methodology: how these readings are compared.

Swimming conditions

No reading

Limited data

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

Whether Round Lake is safe to swim in today is a call for the Indiana Department of Environmental Management and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Round Lake

These are the measurements IDEM publishes for Round Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. Phosphorus 35.3 µg/L. Chlorophyll-a 2.8 µg/L.

Water quality readings
Measure	Reading	Where it sits
Water clarity (Secchi depth)		No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer.
Total phosphorus	35.3µg/L	Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential.
Chlorophyll-a (algae)	2.8µg/L	Measured, not scored The green pigment in algae — a direct measure of how much algae is in the water.

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Lake Details

Surface area

34 acres

Shoreline

1.1 mi

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

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Stays near Round Lake

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Fishing Round Lake

→ Round Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Steuben County

Walters Lake6.5 miView →Lake Minfenokee—View →Marsh Lake—View →Pigeon Lake—View →Seven Sisters Lakes—View →Green Lake—View →

Frequently asked questions about Round Lake

Where is Round Lake?: Round Lake is a lake in Steuben County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of Round Lake?: Round Lake in Steuben County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 35.3 µg/L. Chlorophyll-a (algae): 2.8 µg/L. Surface area: 34 acres.
Is Round Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.