Walnut Point State Park Lake
Douglas County, Illinois56 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 31 ft max depth
Walnut Point State Park Lake in Douglas County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 31 ft. Surface area: 56 acres.
Walnut Point State Park Lake is a 56-acre lake in Douglas County, Illinois with a maximum depth of 31 feet (12-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
What Walnut Point State Park Lake is good for
From access and monitoring records, not editorial picks.
- Camping1 public campground nearby
- Deep water31 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Walnut Point State Park Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether Walnut Point State Park 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 Walnut Point State Park Lake
These are the measurements Illinois EPA publishes for Walnut Point State Park 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 Walnut Point State Park Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
31 ft
Average depth
11.5 ft
Surface area
56 acres
Shoreline
5.4 mi
Recreation & Access
Public campgrounds near Walnut Point State Park Lake
- Walnut Point State Park Fox Squirrel Campground0.4 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Walnut Point State Park Lake
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Fishing Walnut Point State Park Lake
EPA Impairment Status
Walnut Point State Park 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: Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IL_RBK · Official waterbody report
Nearby Lakes in Douglas County
Frequently asked questions about Walnut Point State Park Lake
Where is Walnut Point State Park Lake?
- Walnut Point State Park Lake is a lake in Douglas County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Walnut Point State Park Lake?
- Walnut Point State Park Lake in Douglas County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 31 ft. Surface area: 56 acres.
Is Walnut Point State Park Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Walnut Point State Park Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
How deep is Walnut Point State Park Lake?
- Walnut Point State Park Lake has a maximum depth of 31 feet and an average depth of 11.5 feet. The lake covers 56 acres.
Are there campgrounds on Walnut Point State Park Lake?
- Walnut Point State Park Lake has 1 public campground from USGS The National Map within 5 km, including Walnut Point State Park Fox Squirrel Campground. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
Measurements for Walnut Point State Park 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
Public campgrounds from USGS The National Map Structures, within about 3 miles