Where is Crabapple Lake?

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

How deep is Crabapple Lake?

Crabapple Lake has a maximum depth of 43 feet and an average depth of 16 feet. The lake covers 58 acres.

Are there boat ramps on Crabapple Lake?

Crabapple Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Siloam Springs (Crab Apple), Siloam Springs (Crab Apple). Public access is listed as yes.

Can I fish at Crabapple Lake?

Crabapple 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.

Crabapple Lake

Adams County, Illinois58 acresView map Directions

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

Max depth

43 ft

Bathymetric survey

Area

58 acres

Surface area

Shoreline

3.1 mi

Measured length

Impaired · Cause unknown
43 ft max depth
Public access

See the measurements Directions Where to stay

Crabapple Lake in Adams County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 43 ft. Surface area: 58 acres.

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Crabapple Lake is a 58-acre lake in Adams County, Illinois with a maximum depth of 43 feet (16-foot average). 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 Crabapple Lake is good for

From access and monitoring records, not editorial picks.

Boat launch2 documented ramps
Deep water43 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Crabapple 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 Crabapple Lake

These are the measurements Illinois EPA publishes for Crabapple 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 Crabapple Lake

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

Lake Details

Max depth

43 ft

Average depth

16 ft

Surface area

58 acres

Shoreline

3.1 mi

Public access

Yes

Listed by Illinois EPA

Recreation & Access

Boat Landings

Yes

Public Access

Siloam Springs (Crab Apple)Public
Siloam Springs (Crab Apple)Public

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

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Stays near Crabapple Lake

Compare lakeside cabins, hotels, and vacation rentals near Crabapple Lake in Adams 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 Crabapple Lake

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

EPA Impairment Status

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

Causes of impairment

Cause unknownMercuryPesticides

Designated uses not supporting: Fish consumption, Other.

Source: EPA ATTAINS assessment unit IL_RDB · Official waterbody report

Nearby Lakes in Adams County

Sand Lake—View →Bluebill Lake—View →Snyder Lake—View →Big Lake—View →Camp Saukenauk Lake—View →Goose Lake—View →

Frequently asked questions about Crabapple Lake

Where is Crabapple Lake?: Crabapple Lake is a lake in Adams County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Crabapple Lake?: Crabapple Lake in Adams County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 43 ft. Surface area: 58 acres.
Is Crabapple Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Crabapple Lake is listed impaired under Clean Water Act §303(d) (IR 5) for cause unknown, mercury, pesticides. Check local advisories before you swim.
How deep is Crabapple Lake?: Crabapple Lake has a maximum depth of 43 feet and an average depth of 16 feet. The lake covers 58 acres.
Are there boat ramps on Crabapple Lake?: Crabapple Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Siloam Springs (Crab Apple), Siloam Springs (Crab Apple). Public access is listed as yes.
Can I fish at Crabapple Lake?: Crabapple 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.