Mckinley Park Lagoon Lake is a highly nutrient-loaded hypereutrophic lake in Cook County, Illinois. Water quality is graded F based on 1 sampling years through 2023. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 67 other monitored lakes in Cook County, Mckinley Park Lagoon Lake ranks #61 for water quality.
Source: EPA Water Quality Portal sampling records, Illinois DNR, last sampled 2023-05-09. Grade methodology: LakeGrade methodology.
Watch Mckinley Park Lagoon Lake water quality
Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.
Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Very murky, less than 1.5 ft of visibility. Trophic State Index: 71.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.5 ft | F |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 71 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Mckinley Park Lagoon Lake
Compare lakeside cabins, hotels, and vacation rentals near Mckinley Park Lagoon 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 Mckinley Park Lagoon Lake
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 trip to Mckinley Park Lagoon Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Mckinley Park Lagoon Lake — straight to your inbox. No spam, unsubscribe anytime.
Planning a whole trip? See where to stay at Illinois’s top lakes →
Fishing Mckinley Park Lagoon Lake
Recreation & Access
Location
County Ranking
Ranked #61 of 68 lakes in Cook County
Nearby Lakes in Cook County
Explore Mckinley Park Lagoon Lake across LakeGrade
Species activity outlook by water temperature and season
Where to stay at Illinois's top lakes, each with its grade
Very high nutrients, dense algae, poor clarity
Illinois's cleanest and most-polluted lakes, ranked
More Illinois Lake Rankings
Other Grade F Lakes in Illinois
Hypereutrophic Lakes in Illinois
More records, surveys & data sources
EPA Impairment Status
Mckinley Park Lagoon Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit IL_RHY · Official waterbody report · Matched by proximity (0.02 km)
Regulated Pollution Sources Nearby
5 EPA-permitted facilities operate within about 5 miles of Mckinley Park Lagoon Lake under Clean Water Act (NPDES) discharge permits, including 2 classified by the EPA as major dischargers. 2 facilities have a reported Clean Water Act violation in the past three years.
- Hre Crawford LlcChicago · 2.3 mi away · NPDES IL0002186MajorRecent violation
- Midwest Generation LlcChicago · 2.2 mi away · NPDES IL0002178Major
- Mpea Energy CenterChicago · 3.9 mi away · NPDES IL0073741Recent violation
- Mjh Wacker LlcChicago · 0.9 mi away · NPDES IL0035629
- Mccormick Place West HallChicago · 4.1 mi away · NPDES IL0077640
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.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2023-05-09
Monitoring stations: 1