Gilbert Lake
Marshall County, Indiana37 acresView mapDirections
No nutrient or algae sampling on record from IDEM for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 28 ft max depth
Gilbert Lake in Marshall County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 27.9 ft. Surface area: 37 acres.
Gilbert Lake is a 37-acre lake in Marshall County, Indiana with a maximum depth of 28 feet (13-foot average).
Source: EPA Water Quality Portal sampling records, IDEM. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Gilbert Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Gilbert 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 Gilbert Lake
These are the measurements IDEM publishes for Gilbert 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 Gilbert Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
27.9 ft
Average depth
13.1 ft
Surface area
37 acres
Shoreline
1.1 mi
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Fishing Gilbert Lake
EPA Impairment Status
Gilbert 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 INK01P1074_00 · Official waterbody report
Nearby Lakes in Marshall County
Frequently asked questions about Gilbert Lake
Where is Gilbert Lake?
- Gilbert Lake is a lake in Marshall County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.
What is the water quality of Gilbert Lake?
- Gilbert Lake in Marshall County, Indiana has water-quality measurements published by IDEM, shown here as reported. Maximum depth: 27.9 ft. Surface area: 37 acres.
Is Gilbert Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Gilbert 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 Gilbert Lake?
- Gilbert Lake has a maximum depth of 27.9 feet and an average depth of 13.1 feet. The lake covers 37 acres.
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Where this data comes from
Measurements for Gilbert 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