Where is East Fork Lake?

East Fork Lake is a lake in Richland County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.

East Fork Lake

Richland County, Illinois85 acresView map Directions

No nutrient or algae sampling on record from Illinois EPA for this lake.

Area

85 acres

Surface area

Shoreline

3.7 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

East Fork Lake in Richland County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 85 acres.

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East Fork Lake is a 85-acre lake in Richland County, Illinois.

Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. East Fork Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether East Fork 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.

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Water quality measurements for East Fork Lake

These are the measurements Illinois EPA publishes for East Fork 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 East Fork Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

85 acres

Shoreline

3.7 mi

No bathymetric survey has been published for East Fork Lake, so its depth is not documented here.

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Stays near East Fork Lake

Compare lakeside cabins, hotels, and vacation rentals near East Fork Lake in Richland 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 East Fork Lake

→ East Fork Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

East Fork Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)

Designated uses not supporting: Fish consumption, Other.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit IL_RCC · Official waterbody report

Nearby Lakes in Richland County

East Fork Lake0.7 miView →Olney East Fork Lake3.2 ft clear · Eutrophic1.7 miView →Borah Lake2.2 ft clear · Eutrophic1.9 miView →Vernor Lake4.8 ft clear · Eutrophic3.6 miView →

Frequently asked questions about East Fork Lake

Where is East Fork Lake?: East Fork Lake is a lake in Richland County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of East Fork Lake?: East Fork Lake in Richland County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 85 acres.
Is East Fork Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. East Fork Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.