Eagle Lake
Eagle Lake in Kandiyohi County, Minnesota has a water quality grade of A (Excellent). Water clarity: 6.9 ft visibility. Phosphorus: 23 µg/L. Chlorophyll-a (algae): 7 µg/L. Maximum depth: 67 ft. Surface area: 849.47 acres.
- Clarity
- 6.9 ft
- Typical in August
- 74°F
- Max depth
- 67 ft
- Area
- 849 acres
- Type
- Mesotrophic
- Trend
- ↓ Declining
- Public access
- Yes
- Ice-out
- Apr 6
- Open water
- 244 days
Next lake in Kandiyohi County
Free interactive depth-contour map of Eagle Lake, reaching a maximum surveyed depth of 60 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Minnesota DNR.
Eagle Lake is a 849-acre mesotrophic lake in Kandiyohi County, Minnesota with a maximum depth of 67 feet. Water quality is graded A based on 2 sampling years through 2025. Overall water quality is declining over recent sampling years. The lake supports 17 documented fish species including bigmouth buffalo, black bullhead, and black crappie. Public access is available with 2 public boat landings. Compared to the 24 other monitored lakes in Kandiyohi County, Eagle Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-25. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLow algae
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.
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Moderate clarity, visible to about 6.9 ft. Phosphorus level: 23 µg/L. Chlorophyll-a: 7 µg/L. Trophic State Index: 49.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.9 ft | Not graded |
| Phosphorus | 23 µg/L | Good |
| Chlorophyll-a (Algae) | 7 µg/L | Good |
| Trophic State Index (TSI) | 49 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Eagle Lake
Compare lakeside cabins, hotels, and vacation rentals near Eagle Lake in Kandiyohi County, Minnesota — 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.
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Water Temperature
Eagle Lake typically sits around 74°F at the surface in August. Summer average is about 74°F. Usually warmest in Jul (about 77°F) and coldest in May (about 59°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 90 field readings (2010–2025) 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 moderate (29,648 cells/mL) on July 9, 2026.
Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 67 ft |
| Surface Area | 849 acres |
| Shoreline Length | 5 mi |
| Littoral Zone | 32% |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Eagle LakePublic
- Point LakePublic
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.
DNR Fisheries Survey Summary
19 surveys on file from MN DNR Fisheries. Most recent: 2025-07-07 (Standard Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Bluntnose Minnow | 150.13 | — |
| Spottail Shiner | 63.13 | — |
| Bluegill | 44.47 | 0.16 lb |
| BKF | 33.89 | — |
| IOD | 28.75 | — |
| Yellow Perch | 22.74 | 0.11 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Bluegill
Yellow Perch
From the 2025-07-07 survey
A standard survey of Eagle Lake was conducted during early-July of 2025. A fall night electrofishing survey was conducted for young of year "YOY" (fingerling sized) Walleye in early October of 2025. A targeted survey is generally used for sampling a specific kind of fish or time of year (i.e. spawning season, fall…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Eagle Lake. 3 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — EagleFisheries Lake Survey · MN DNR LakeFinder
- —Fish Stocking History — EagleFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — EaglePublic Water Access Sites · MN DNR LakeFinder
Water Quality Trend: ↓ Declining
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.184 m/yr | 6 |
| Phosphorus | ↓ Declining | +2.89 µg/L/yr | 6 |
| Chlorophyll-a | ↓ Declining | +0.7 µg/L/yr | 6 |
Ice Season
Historical ice data from Minnesota DNR (20 observations).
Estimated open water season: 244 days
| Earliest | Latest | |
|---|---|---|
| Ice-Out | 2017-03-08 (2017) | 2018-05-01 (2018) |
| Ice-In | 2002-11-24 (2002) | 2024-01-07 (2024) |
Most recent ice-out: 2020-04-03
Reservoir Info (USACE NID)
Eagle Lake is a man-made reservoir impounded by the Eagle Lake (completed 1941), built primarily for fish and wildlife pond on the Hawk Creek; earth-type dam, 7 ft tall.
- Surface area
- 819 ac
- Normal storage
- 1,638 ac-ft
- Max storage
- 25,000 ac-ft
- Drainage area
- 17.8 sq mi
- Hazard class
- Low
- Owner
- MNDNR-Fisheries
Source: USACE National Inventory of Dams, NID ID MN01153 · 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
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN34-0171-00 · Official waterbody report
County Ranking
Ranked #3 of 25 lakes in Kandiyohi County
Nearby Lakes in Kandiyohi County
Frequently asked questions about Eagle Lake
What is the water quality grade for Eagle Lake?
- Eagle Lake in Kandiyohi County, Minnesota has a water quality grade of A (Excellent). Water clarity: 6.9 ft visibility. Phosphorus: 23 µg/L. Chlorophyll-a (algae): 7 µg/L. Maximum depth: 67 ft. Surface area: 849.47 acres.
Is Eagle Lake safe to swim in?
- Excellent for swimming, crystal clear water with minimal algae. Eagle Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 7 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Eagle Lake?
- Eagle Lake typically sits around 74°F at the surface in August, from 90 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
How deep is Eagle Lake?
- Eagle Lake has a maximum depth of 67 feet. The lake covers 849.47 acres.
What fish are in Eagle Lake?
- Fish species found in Eagle Lake include bigmouth buffalo, black bullhead, black crappie, bluegill, brown bullhead, common carp, freshwater drum, green sunfish, highfin carpsucker, hybrid sunfish, largemouth bass, northern pike, smallmouth bass, walleye, white sucker, yellow bullhead, yellow perch. Eagle Lake is located in Kandiyohi County, Minnesota.
When does Eagle Lake thaw?
- Eagle Lake typically has ice-out around Apr 6. Ice typically forms around Dec 6. The open water season is approximately 244 days.
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 moderate (29,648 cells/mL). Blue-green algae can appear and clear within days, so check Minnesota's current advisory before swimming.
Are there boat ramps on Eagle Lake?
- Eagle Lake has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Eagle Lake, Point Lake. Public access is listed as yes.
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Where this data comes from
100 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA100 samples · 2020–2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Phosphorus by Two Reagent Colorimetry
- 10200 H 2 ~ Chlorophyll a-b-c Determination by spectrophotometer
Monitoring station identifiers (2)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder
Named boat-access points from the USGS National Boat Ramps inventory
Ice data from Minnesota DNR Climate