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LakeQuality

Citizens Lake

Warren County, Illinois25 acresView mapDirections

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

Max depth
33 ft
Bathymetric survey
Area
25 acres
Surface area
Shoreline
1.4 mi
Measured length
  • Impaired · Mercury
  • 33 ft max depth
  • Public access

Citizens Lake in Warren County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 33 ft. Surface area: 25 acres.

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Citizens Lake is a 25-acre lake in Warren County, Illinois with a maximum depth of 33 feet. Limited fish-species data available. Public access is available with 2 public boat landings.

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

What Citizens Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch2 documented ramps
  • Deep water33 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Citizens 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 Citizens Lake

These are the measurements Illinois EPA publishes for Citizens 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 Citizens Lake

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

Lake Details

Max depth

33 ft

Surface area

25 acres

Shoreline

1.4 mi

Public access

Yes

Listed by Illinois EPA

Recreation & Access

2
Boat Landings
Yes
Public Access
  • Citizens LakePublic
  • Citizens LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Citizens Lake

Compare lakeside cabins, hotels, and vacation rentals near Citizens Lake in Warren 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.

Top-rated places to stay near Citizens Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Fishing Citizens Lake

EPA Impairment Status

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

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

Source: EPA ATTAINS assessment unit IL_RLS · Official waterbody report

Nearby Lakes in Warren County

Frequently asked questions about Citizens Lake

Where is Citizens Lake?

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

What is the water quality of Citizens Lake?

Citizens Lake in Warren County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 33 ft. Surface area: 25 acres.

Measurements on this page ↑

Is Citizens Lake safe to swim in?

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

Swimming on this page ↑

How deep is Citizens Lake?

Citizens Lake has a maximum depth of 33 feet. The lake covers 25 acres.

Are there boat ramps on Citizens Lake?

Citizens Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Citizens Lake, Citizens Lake. Public access is listed as yes.

Access on this page ↑

Can I fish at Citizens Lake?

Citizens Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Illinois's fish and wildlife agency, so check its current regulations before you go.

Access on this page ↑

Where this data comes from

Measurements for Citizens 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

Named boat-access points from the USGS National Boat Ramps inventory