Where is Argyle Lake?

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

How deep is Argyle Lake?

Argyle Lake has a maximum depth of 38 feet and an average depth of 17.5 feet. The lake covers 93 acres.

Are there boat ramps on Argyle Lake?

Argyle Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Argyle Lake. Public access is listed as yes.

Can I fish at Argyle Lake?

Argyle Lake has 1 documented boat landing 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.

Argyle Lake

McDonough County, Illinois93 acresView map Directions

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

Max depth

38 ft

Bathymetric survey

Area

93 acres

Surface area

Shoreline

5.2 mi

Measured length

Impaired · Mercury
38 ft max depth
Public access

See the measurements Directions Where to stay

Argyle Lake in McDonough County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 38 ft. Surface area: 93 acres.

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Argyle Lake is a 93-acre lake in McDonough County, Illinois with a maximum depth of 38 feet (18-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Argyle Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water38 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Argyle 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 Argyle Lake

These are the measurements Illinois EPA publishes for Argyle 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 Argyle Lake

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

Lake Details

Max depth

38 ft

Average depth

17.5 ft

Surface area

93 acres

Shoreline

5.2 mi

Public access

Yes

Listed by Illinois EPA

Recreation & Access

Boat Landings

Yes

Public Access

Argyle 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 Argyle Lake

Compare lakeside cabins, hotels, and vacation rentals near Argyle Lake in McDonough 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 Argyle Lake

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Fishing Argyle Lake

→ Argyle Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Argyle 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_RDE · Official waterbody report

Nearby Lakes in McDonough County

Spring Lake5.1 miView →Colmar Lake9 miView →Vermont New Lake20.2 miView →Vermont City LakeHypereutrophic—View →

Frequently asked questions about Argyle Lake

Where is Argyle Lake?: Argyle Lake is a lake in McDonough County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Argyle Lake?: Argyle Lake in McDonough County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 38 ft. Surface area: 93 acres.
Is Argyle Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Argyle Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Argyle Lake?: Argyle Lake has a maximum depth of 38 feet and an average depth of 17.5 feet. The lake covers 93 acres.
Are there boat ramps on Argyle Lake?: Argyle Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Argyle Lake. Public access is listed as yes.
Can I fish at Argyle Lake?: Argyle Lake has 1 documented boat landing 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.