Senachwine Lake
Putnam County, Illinois5,450 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Metals (other than mercury)
- 5 ft max depth
Senachwine Lake in Putnam County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 5 ft. Surface area: 5450 acres.
Senachwine Lake is a 5,450-acre lake in Putnam County, Illinois with a maximum depth of 5 feet (1-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
What Senachwine Lake is good for
From access and monitoring records, not editorial picks.
- Big water5,450 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Senachwine Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen), sediment / turbidity, turbidity. Check local advisories before you swim.
Whether Senachwine Lake is safe to swim in today is a call for the Illinois Environmental Protection Agency and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Senachwine Lake
These are the measurements Illinois EPA publishes for Senachwine 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 Senachwine Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
5 ft
Average depth
1 ft
Surface area
5,450 acres
Shoreline
32.4 mi
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Stays near Senachwine Lake
Compare lakeside cabins, hotels, and vacation rentals near Senachwine Lake in Putnam County, Illinois — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Fishing Senachwine Lake
EPA Impairment Status
Senachwine 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, Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IL_RDZX · Official waterbody report
Nearby Lakes in Putnam County
Frequently asked questions about Senachwine Lake
Where is Senachwine Lake?
- Senachwine Lake is a lake in Putnam County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Senachwine Lake?
- Senachwine Lake in Putnam County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 5 ft. Surface area: 5450 acres.
Is Senachwine Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Senachwine Lake is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury), nutrients (phosphorus, nitrogen), sediment / turbidity, turbidity. Check local advisories before you swim.
How deep is Senachwine Lake?
- Senachwine Lake has a maximum depth of 5 feet and an average depth of 1 feet. The lake covers 5450 acres.
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Where this data comes from
Measurements for Senachwine 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