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Elkhorn Lake

A
Grade A — Excellent
Excellent · #7 of 25 lakes in the county · 14 ft clear · Mesotrophic · 79 acres
Mesotrophic

Elkhorn Lake in Kandiyohi County, Minnesota has a water quality grade of A (Excellent). Water clarity: 14 ft visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 3.6 µg/L. Maximum depth: 41 ft. Surface area: 78.99 acres.

Clarity
14 ft
Typical in August
75°F
Max depth
41 ft
Area
79 acres
Type
Mesotrophic
Trend
Declining
Public access
Yes

Next lake in Kandiyohi County

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Elkhorn Lake is a 79-acre mesotrophic lake in Kandiyohi County, Minnesota with a maximum depth of 41 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 15 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 3 public boat landings. Compared to the 24 other monitored lakes in Kandiyohi County, Elkhorn Lake ranks #7 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-22. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Low 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

Compare the safest swimming lakes near Willmar

Get alerts for Elkhorn Lake

Water Quality Grade: A (Excellent)

Good clarity, visible to about 14 ft. Phosphorus level: 16 µg/L. Chlorophyll-a: 3.6 µg/L. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)14 ftNot graded
Phosphorus16 µg/LGood
Chlorophyll-a (Algae)3.6 µg/LGood
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Where to stay near Elkhorn Lake

Compare lakeside cabins, hotels, and vacation rentals near Elkhorn 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.

Top-rated places to stay near Elkhorn Lake

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

Water Temperature

Elkhorn Lake typically sits around 75°F at the surface in August. Summer average is about 76°F. Usually warmest in Jul (about 78°F) and coldest in May (about 65°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
65°
Jun
74°
Jul
78°
Aug
75°
Sep
67°
Oct
Nov
Dec

Typical surface water temperature by month, from 51 field readings (20112025) via the EPA Water Quality Portal. See the full Elkhorn Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth41 ft
Surface Area79 acres
Shoreline Length1.7 mi
Littoral Zone38%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
1 sq mi
Elevation
1,161 ft

Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).

Recreation & Access

3
Boat Landings
Yes
Public Access
  • Green Lake (South)Public
  • Kandiyohi County Park No. 4 (Southwest)Public
  • Elkhorn LakePublic

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Elkhorn 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.

Eurasian watermilfoilzebra mussel

DNR Fisheries Survey Summary

10 surveys on file from MN DNR Fisheries. Most recent: 2023-06-26 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Largemouth Bass53.761.11 lb
Bluegill50.430.12 lb
Yellow Perch10.190.09 lb
Hybrid Sunfish6.740.14 lb
Walleye4.992.16 lb
Black Bullhead4.740.65 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.

Largemouth Bass

37 fish · 415 in · 2023-06-26
1050456789101112131415

Bluegill

165 fish · 29 in · 2023-06-26
35180trophy 1023456789

Yellow Perch

1 fish · 66 in · 2018-06-25
106

Hybrid Sunfish

45 fish · 38 in · 2023-06-26
1680345678

From the 2023-06-26 survey

A standard survey of Elkhorn Lake was conducted in late-June of 2023. Survey methodology and gears used to sample the Elkhorn fish population included six standard trapnets, two large frame trapnets and June night boat electrofishing. Gillnets are an optional survey gear for lakes under 100 acres. Gillnets were not…

Source: MN DNR LakeFinder Fisheries Lake Survey

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Elkhorn Lake. 3 reports on file.

These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.064 m/yr6
Phosphorus Declining+1.84 µg/L/yr6
Chlorophyll-a Declining+1.59 µg/L/yr6
See year-by-year chart →

Reservoir Info (USACE NID)

Elkhorn Lake is a man-made reservoir impounded by the Elkhorn Lake Rearing Pond (completed 1969), built primarily for flood risk reduction on the Crow River Middle Fork; earth-type dam, 13 ft tall and 170 ft long.

Surface area
72 ac
Normal storage
640 ac-ft
Max storage
800 ac-ft
Drainage area
0.5 sq mi
Hazard class
Low
Owner
County of Kandiyohi

Source: USACE National Inventory of Dams, NID ID MN00498 · Operator website · Matched by proximity (0.84 km)

County Ranking

Ranked #7 of 25 lakes in Kandiyohi County

Nearby Lakes in Kandiyohi County

Frequently asked questions about Elkhorn Lake

What is the water quality grade for Elkhorn Lake?

Elkhorn Lake in Kandiyohi County, Minnesota has a water quality grade of A (Excellent). Water clarity: 14 ft visibility. Phosphorus: 16 µg/L. Chlorophyll-a (algae): 3.6 µg/L. Maximum depth: 41 ft. Surface area: 78.99 acres.

Is Elkhorn Lake safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Elkhorn Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 3.6 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Elkhorn Lake?

Elkhorn Lake typically sits around 75°F at the surface in August, from 51 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.

How deep is Elkhorn Lake?

Elkhorn Lake has a maximum depth of 41 feet. The lake covers 78.99 acres.

What fish are in Elkhorn Lake?

Fish species found in Elkhorn Lake include black bullhead, black crappie, bluegill, bowfin (dogfish), common carp, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, shortnose gar, walleye, white sucker, yellow bullhead, yellow perch. Elkhorn Lake is located in Kandiyohi County, Minnesota.

Are there boat ramps on Elkhorn Lake?

Elkhorn Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Green Lake (South), Kandiyohi County Park No. 4 (Southwest), Elkhorn Lake. Public access is listed as yes.

Where this data comes from

119 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 WaterMNPCA119 samples · 2020–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
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

Lake size & watershed from HydroLAKES (HydroSHEDS)

Lake details from Minnesota DNR LakeFinder

Named boat-access points from the USGS National Boat Ramps inventory