Eagle Lake
Eagle Lake in Racine County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 1.5 ft visibility. Phosphorus: 113 µg/L. Maximum depth: 11 ft. Surface area: 529 acres.
Wisconsin DNR rates Northern Pike as abundant on Eagle Lake. DNR survey details →
- Clarity
- 1.5 ft
- Typical in August
- 80°F
- Max depth
- 11 ft
- Area
- 529 acres
- Type
- Hypereutrophic
- Trend
- ↑ Improving
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Eagle Lake →
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Eagle Lake is a 529-acre highly nutrient-loaded hypereutrophic lake in Racine County, Wisconsin with a maximum depth of 11 feet. Water quality is graded D based on 1 sampling years through 2026. Overall water quality is improving over recent sampling years. The lake supports 5 documented fish species including Musky, Panfish, and Largemouth Bass. Public access is available with 3 public boat landings. Compared to the 3 other monitored lakes in Racine County, Eagle Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-08. Grade methodology: LakeQuality methodology.
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Swimming Safety
Grade onlyElevated nutrients
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Very murky, less than 1.5 ft of visibility. Phosphorus level: 113 µg/L. Trophic State Index: 72.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 1.5 ft | Not graded |
| Phosphorus | 113 µg/L | Poor |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 72 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Eagle Lake
Compare lakeside cabins, hotels, and vacation rentals near Eagle Lake in Racine County, Wisconsin — 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Eagle Lake are listed below.
Top-rated places to stay near Eagle 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 whole trip? See where to stay at Wisconsin’s top lakes →
Water Temperature
Eagle Lake typically sits around 80°F at the surface in August. Summer average is about 78°F. Usually warmest in Jul (about 81°F) and coldest in Apr (about 59°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 39 field readings (2024–2026) via the EPA Water Quality Portal. See the full Eagle Lake water temperature breakdown →
Blue-Green Algae (Cyanobacteria)
There’s no recent EPA CyAN cyanobacteria estimate for Eagle Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was very high (2,089,296 cells/mL) on July 18, 2026.
Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗
Wisconsin DNR rates Northern Pike as abundant on Eagle Lake.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Eagle Lake D from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1990. 6 stations on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 11 ft |
| Surface Area | 529 acres |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Minnetonka DrivePublic
- Eagle Lake County ParkPublic
- Wildflower LanePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Eagle Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: ↑ Improving
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.029 m/yr | 7 |
| Phosphorus | ↑ Improving | -6.78 µg/L/yr | 6 |
Reservoir Info (USACE NID)
Eagle Lake is a man-made reservoir impounded by the Eagle Lake (completed 1917), built primarily for recreation on the EAGLE CREEK; gravity-type dam, 8 ft tall and 800 ft long.
- Surface area
- 515 ac
- Normal storage
- 2,500 ac-ft
- Max storage
- 3,600 ac-ft
- Drainage area
- 7 sq mi
- Hazard class
- Low
- Owner
- Racine County
Source: USACE National Inventory of Dams, NID ID WI01114 · Operator website
EPA Impairment Status
Eagle 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 WI10000561 · Official waterbody report
Regulated Pollution Sources Nearby
2 EPA-permitted facilities operate within about 5 miles of Eagle Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 1 facility has a reported Clean Water Act violation in the past three years.
- Union Grove VillageUnion Grove · 4.1 mi away · NPDES WI0028291MajorRecent violation
- Maple Leaf Farms Downy Duck FarmDover · 2.9 mi away · NPDES WI0053376
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.
County Ranking
Ranked #4 of 4 lakes in Racine County
Nearby Lakes With Higher Grades
Eagle Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Racine County
Frequently asked questions about Eagle Lake
Where is Eagle Lake?
- Eagle Lake is a lake in Racine County, Wisconsin. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Eagle Lake?
- Eagle Lake in Racine County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 1.5 ft visibility. Phosphorus: 113 µg/L. Maximum depth: 11 ft. Surface area: 529 acres.
Is Eagle Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Eagle Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.
What is the water temperature of Eagle Lake?
- Eagle Lake typically sits around 80°F at the surface in August, from 39 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
How deep is Eagle Lake?
- Eagle Lake has a maximum depth of 11 feet. The lake covers 529 acres.
What fish are in Eagle Lake?
- Fish species found in Eagle Lake include Musky, Panfish, Largemouth Bass, Northern Pike, Walleye. Eagle Lake is located in Racine County, Wisconsin.
What did the DNR fisheries survey find at Eagle Lake?
- Wisconsin DNR rates Northern Pike as abundant on Eagle Lake. A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality grades Eagle Lake D from EPA Water Quality Portal chemistry, and the water-quality trend over 7 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Does Eagle Lake have blue-green algae?
- There is no recent EPA CyAN cyanobacteria estimate for Eagle Lake (clouds, ice, or an off-season gap). The most recent reading was very high (2,089,296 cells/mL). Blue-green algae can appear and clear within days, so check Wisconsin's current advisory before swimming.
Are there boat ramps on Eagle Lake?
- Eagle Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Minnetonka Drive, Eagle Lake County Park, Wildflower Lane. Public access is listed as yes.
Explore Eagle Lake across LakeQuality
Depth, room, public access, and the state wake-sport rules
Fish species and top-graded lakes across Wisconsin
Fish species and best lakes in Racine County
Species activity outlook by water temperature and season
Where to stay at Wisconsin's top lakes, each with its grade
Very high nutrients, dense algae, poor clarity
Wisconsin's cleanest and most-polluted lakes, ranked
More Wisconsin Lake Rankings
State Parks Near Eagle Lake
Other Grade D Lakes in Wisconsin
Hypereutrophic Lakes in Wisconsin
Compare Eagle Lake With Nearby Lakes
Where this data comes from
54 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX54 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Fish and recreation data from Wisconsin DNR Lakes
Named boat-access points from the USGS National Boat Ramps inventory