Maple Lake
Cook County, Illinois60 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- 45 ft max depth
- Public access
- Limited data
Maple Lake in Cook County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 60 acres.
Maple Lake is a 60-acre lake in Cook County, Illinois with an estimated average depth of about 45 feet. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Illinois EPA, last sampled 2022-03-23. Methodology: how these readings are compared.
Maple Lake covers about 60 acres in Cook County. If you are planning to stay, you can search lake houses and cabins around Maple Lake on Vrbo, or look for a hotel room near the lake on Booking.com or Expedia.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Maple 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 Maple Lake
These are the measurements Illinois EPA publishes for Maple 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.
Ask about Maple Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Maple Lake typically sits around 60°F at the surface in October. Summer average is about 72°F. Usually warmest in Jul (about 75°F) and coldest in May (about 57°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (57°F) to its warmest (75°F).
Typical surface water temperature by month, from 137 field readings (2013–2022) via the EPA Water Quality Portal. See the full Maple Lake water temperature breakdown →
Lake Details
Max depth
~45 ft est.
Surface area
60 acres
Public access
Yes
Listed by Illinois EPA
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Illinois has not published bathymetry for Maple Lake.
Lake Size & Watershed
Watershed (drainage) area
0 sq mi
HydroLAKES / HydroSHEDS
Shoreline
1.2 mi
HydroLAKES / HydroSHEDS
Elevation
656 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Stays via Stay22
Stays near Maple Lake
Compare lakeside cabins, hotels, and vacation rentals near Maple Lake in Cook 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 Maple Lake
Prices for Oct 23–25, 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 →
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Fishing Maple Lake
Reservoir Info (USACE NID)
Maple Lake is a man-made reservoir impounded by the Maple Lake Dam (completed 1918), built primarily for recreation on the TRIB DES PLAINES RIVER; earth-type dam, 25 ft tall and 110 ft long.
- Surface area
- 60 ac
- Normal storage
- 412 ac-ft
- Max storage
- 765 ac-ft
- Drainage area
- 0.6 sq mi
- Hazard class
- Significant
- Owner
- FOREST PRESERVE DISTRICT OF COOK COUNTY
Source: USACE National Inventory of Dams, NID ID IL00878 · Operator website
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Maple Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 2 facilities have a reported Clean Water Act violation in the past three years.
- Flagg Creek Wrd - Mcelwain StpBurr Ridge · 3.6 mi away · NPDES IL0022586MajorRecent violation
- Combined Sewer OverflowsWestern Springs · 2.6 mi away · NPDES IL0045039Recent violation
- Ashland, LlcDublin · 1.8 mi away · NPDES IL0064408
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Nearby Lakes in Cook County
Frequently asked questions about Maple Lake
Where is Maple Lake?
- Maple Lake is a lake in Cook County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Maple Lake?
- Maple Lake in Cook County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Surface area: 60 acres.
Is Maple Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Maple Lake?
- Maple Lake typically sits around 60°F at the surface in October, from 137 EPA Water Quality Portal field readings (2013–2022). That is a typical value for the month, not a live reading.
How deep is Maple Lake?
- No published bathymetric survey covers Maple Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 45 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 60 acres.
Can I fish at Maple Lake?
- Public access to Maple Lake is listed as yes on the lake record. 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.
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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Illinois Water Science Center
USGS-IL1 sample · 2022
Analytical methods
- Secchi disk method
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)