Skip to main content
LakeQuality

Walnut Point State Park Lake

Douglas County, Illinois56 acresView mapDirections

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

Max depth
31 ft
Bathymetric survey
Area
56 acres
Surface area
Shoreline
5.4 mi
Measured length
  • 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.

Loading map…

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 reading

Not 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.

Compare swimming lakes near Indianapolis →

Get alerts for Walnut Point State Park Lake →

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

1
Campgrounds

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

Compare lakeside cabins, hotels, and vacation rentals near Walnut Point State Park Lake in Douglas 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 Walnut Point State Park Lake

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

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Illinois’s top lakes →

Follow Walnut Point State Park Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

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

Nutrients (phosphorus, nitrogen)Turbidity

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.

Measurements on this page ↑

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.

Swimming on this page ↑

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.

Access on this page ↑

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