Rice Lake
Knox County, Illinois51 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Mercury
- 35 ft max depth
Rice Lake in Knox County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 35 ft. Surface area: 51 acres.
Rice Lake is a 51-acre lake in Knox County, Illinois with a maximum depth of 35 feet (15-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
What Rice Lake 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. Rice Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Rice 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 Rice Lake
These are the measurements Illinois EPA publishes for Rice 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 Rice Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
35 ft
Average depth
15 ft
Surface area
51 acres
Shoreline
2.8 mi
Stays via Stay22
Stays near Rice Lake
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Fishing Rice Lake
EPA Impairment Status
Rice 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: Fish consumption.
Source: EPA ATTAINS assessment unit IL_RDC · Official waterbody report
Nearby Lakes in Knox County
Frequently asked questions about Rice Lake
Where is Rice Lake?
- Rice Lake is a lake in Knox County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Rice Lake?
- Rice Lake in Knox County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 35 ft. Surface area: 51 acres.
Is Rice Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Rice Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Rice Lake?
- Rice Lake has a maximum depth of 35 feet and an average depth of 15 feet. The lake covers 51 acres.
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Where this data comes from
Measurements for Rice 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