Lake Bloomington
McLean County, Illinois593 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Mercury
- 35 ft max depth
Lake Bloomington in McLean County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 35 ft. Surface area: 593 acres.
Lake Bloomington is a 593-acre lake in McLean County, Illinois with a maximum depth of 35 feet (14-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
What Lake Bloomington is good for
From access and monitoring records, not editorial picks.
- Deep water35 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Lake Bloomington is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether Lake Bloomington 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 Bloomington
These are the measurements Illinois EPA publishes for Lake Bloomington, 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 Bloomington
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
35 ft
Average depth
14 ft
Surface area
593 acres
Shoreline
19.8 mi
Stays via Stay22
Stays near Lake Bloomington
Compare lakeside cabins, hotels, and vacation rentals near Lake Bloomington in McLean 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 Bloomington
EPA Impairment Status
Lake Bloomington 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_RDO · Official waterbody report
Nearby Lakes in McLean County
Frequently asked questions about Lake Bloomington
Where is Lake Bloomington?
- Lake Bloomington is a lake in McLean 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 Bloomington?
- Lake Bloomington in McLean County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 35 ft. Surface area: 593 acres.
Is Lake Bloomington safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Bloomington is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
How deep is Lake Bloomington?
- Lake Bloomington has a maximum depth of 35 feet and an average depth of 14 feet. The lake covers 593 acres.
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Where this data comes from
Measurements for Lake Bloomington 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