Big Otter Lake
Steuben County, Indiana70 acresView mapDirections
No nutrient or algae sampling on record from IDEM for this lake.
- Impaired · Impaired biota (cause unknown)
- 39 ft max depth
Big Otter Lake in Steuben County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 39 ft. Surface area: 70 acres.
Big Otter Lake is a 70-acre lake in Steuben County, Indiana with a maximum depth of 39 feet (26-foot average).
Source: EPA Water Quality Portal sampling records, IDEM. Methodology: how these readings are compared.
What Big Otter Lake is good for
From access and monitoring records, not editorial picks.
- Deep water39 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Big Otter Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
Whether Big Otter 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 Big Otter Lake
These are the measurements IDEM publishes for Big Otter 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. TSI undefined.
Ask about Big Otter Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
39 ft
Average depth
25.9 ft
Surface area
70 acres
Shoreline
1.7 mi
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Stays near Big Otter Lake
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Fishing Big Otter Lake
EPA Impairment Status
Big Otter Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit INJ01P1050_00 · Official waterbody report
Nearby Lakes in Steuben County
Frequently asked questions about Big Otter Lake
Where is Big Otter Lake?
- Big Otter 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 Big Otter Lake?
- Big Otter Lake in Steuben County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 39 ft. Surface area: 70 acres.
Is Big Otter Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Big Otter Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown). Check local advisories before you swim.
How deep is Big Otter Lake?
- Big Otter Lake has a maximum depth of 39 feet and an average depth of 25.9 feet. The lake covers 70 acres.
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Where this data comes from
Measurements for Big Otter Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database