Lake Centralia
Marion County, Illinois250 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Mercury
- 25 ft max depth
Lake Centralia in Marion County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 25 ft. Surface area: 250 acres.
Lake Centralia is a 250-acre lake in Marion County, Illinois with a maximum depth of 25 feet (7-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Lake Centralia is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), pCBs. Check local advisories before you swim.
Whether Lake Centralia 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 Lake Centralia
These are the measurements Illinois EPA publishes for Lake Centralia, 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 Lake Centralia
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
25 ft
Average depth
7 ft
Surface area
250 acres
Shoreline
12.2 mi
Stays via Stay22
Stays near Lake Centralia
Compare lakeside cabins, hotels, and vacation rentals near Lake Centralia in Marion 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 Lake Centralia
EPA Impairment Status
Lake Centralia 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: Fish consumption, Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IL_ROI · Official waterbody report
Nearby Lakes in Marion County
Frequently asked questions about Lake Centralia
Where is Lake Centralia?
- Lake Centralia is a lake in Marion County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Lake Centralia?
- Lake Centralia in Marion County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 25 ft. Surface area: 250 acres.
Is Lake Centralia safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Centralia is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), pCBs. Check local advisories before you swim.
How deep is Lake Centralia?
- Lake Centralia has a maximum depth of 25 feet and an average depth of 7 feet. The lake covers 250 acres.
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Where this data comes from
Measurements for Lake Centralia 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