Big Lake
Noble County, Indiana236 acresView mapDirections
No nutrient or algae sampling on record from IDEM for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 70 ft max depth
Big Lake in Noble County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 69.9 ft. Surface area: 236 acres.
Big Lake is a 236-acre lake in Noble County, Indiana with a maximum depth of 70 feet (25-foot average).
Source: EPA Water Quality Portal sampling records, IDEM. Methodology: how these readings are compared.
What Big Lake is good for
From access and monitoring records, not editorial picks.
- Deep water69.9 ft surveyed max depth
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Big Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Big 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 Lake
These are the measurements IDEM publishes for Big 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 Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
69.9 ft
Average depth
24.9 ft
Surface area
236 acres
Shoreline
5.2 mi
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Fishing Big Lake
EPA Impairment Status
Big 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: Recreation.
Source: EPA ATTAINS assessment unit INB06P1049_00 · Official waterbody report
Nearby Lakes in Noble County
Frequently asked questions about Big Lake
Where is Big Lake?
- Big 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 Big Lake?
- Big Lake in Noble County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 69.9 ft. Surface area: 236 acres.
Is Big Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Big Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Big Lake?
- Big Lake has a maximum depth of 69.9 feet and an average depth of 24.9 feet. The lake covers 236 acres.
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Where this data comes from
Measurements for Big 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