Round Lake
Noble County, Indiana102 acresView mapDirections
IDEM publishes the water-quality measurements for Round Lake. Here is what has been measured.
- Mesotrophic
- 66 ft max depth
- Limited data
Round Lake in Noble County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 28 µg/L. Chlorophyll-a (algae): 7 µg/L. Maximum depth: 65.9 ft. Surface area: 102 acres.
Round Lake is a 102-acre mesotrophic lake in Noble County, Indiana with a maximum depth of 66 feet (22-foot average).
Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2023-08-24. Methodology: how these readings are compared.
What Round Lake is good for
From access and monitoring records, not editorial picks.
- Deep water65.9 ft surveyed max depth
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
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.
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 28 µg/L. Chlorophyll-a 7 µg/L.
| 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 | 28µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 7µg/L | Good GoodFairPoor |
Moderate nutrients, good water quality
Ask about Round Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
65.9 ft
Average depth
22 ft
Surface area
102 acres
Shoreline
3.8 mi
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Fishing Round Lake
Nearby Lakes in Noble County
Frequently asked questions about Round Lake
Where is Round Lake?
- Round Lake is a lake in Noble 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 Noble County, Indiana has water-quality measurements published by IDEM, shown here as reported. Phosphorus: 28 µg/L. Chlorophyll-a (algae): 7 µg/L. Maximum depth: 65.9 ft. Surface area: 102 acres.
Is Round Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Round Lake?
- Round Lake has a maximum depth of 65.9 feet and an average depth of 22 feet. The lake covers 102 acres.
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Where this data comes from
Measurements for Round Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.