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LakeQuality

Minnie-Belle Lake

A
Grade A — Excellent
Excellent · #1 of 19 lakes in the county · 14.4 ft clear · Mesotrophic · 597 acres
Mesotrophic

Minnie-Belle Lake in Meeker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 14.4 ft visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 3.8 µg/L. Maximum depth: 49 ft. Surface area: 596.58 acres.

Clarity
14.4 ft
Typical in August
72°F
Max depth
49 ft
Area
597 acres
Type
Mesotrophic
Trend
Stable
Public access
Yes
Ice-out
Apr 14
Open water
223 days

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FWillie Lake2.1 ft clear · Meeker CountyView →
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Minnie-Belle Lake is a 597-acre mesotrophic lake in Meeker County, Minnesota with a maximum depth of 49 feet (32-foot average). Water quality is graded A based on 2 sampling years through 2025. Water clarity is improving over recent sampling years. The lake supports 14 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 1 public boat landing. Compared to the 18 other monitored lakes in Meeker County, Minnie-Belle Lake ranks #1 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-17. 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

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Water Quality Grade: A (Excellent)

Good clarity, visible to about 14.4 ft. Phosphorus level: 14 µg/L. Chlorophyll-a: 3.8 µg/L. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)14.4 ftNot graded
Phosphorus14 µg/LGood
Chlorophyll-a (Algae)3.8 µg/LGood
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Where to stay near Minnie-Belle Lake

Compare lakeside cabins, hotels, and vacation rentals near Minnie-Belle Lake in Meeker 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 Minnie-Belle 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 Minnesota’s top lakes →

Water Temperature

Minnie-Belle Lake typically sits around 72°F at the surface in August. Summer average is about 64°F. Usually warmest in Aug (about 72°F) and coldest in May (about 48°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
48°
Jun
59°
Jul
62°
Aug
72°
Sep
65°
Oct
Nov
Dec

Typical surface water temperature by month, from 24 field readings (20112021) via the EPA Water Quality Portal. See the full Minnie-Belle Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth49 ft
Average Depth31.5 ft
Surface Area597 acres
Shoreline Length4.9 mi
Littoral Zone28%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
5 sq mi
Elevation
1,132 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Lake Minnie-BellePublic

Fish Species

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

Fishing Minnie-Belle 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.

Chinook Salmon(since 1919)

Source: USGS Nonindigenous Aquatic Species (NAS) Database. Hover a chip to see scientific name, ecological context, status, and first-observed year.

DNR Fisheries Survey Summary

23 surveys on file from MN DNR Fisheries. Most recent: 2025-07-07 (Targeted Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
SUN72.63
Bluegill21.330.18 lb
Largemouth Bass16.940.81 lb
Yellow Bass13.751.07 lb
Bluntnose Minnow12.26
JND6.11

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

149 fish · 39 in · 2025-07-07
38190trophy 103456789

Largemouth Bass

76 fish · 719 in · 2024-08-06
1890trophy 2078910111213141516171819

Yellow Bass

10 fish · 1014 in · 2025-07-07
3201011121314

From the 2025-07-07 survey

A targeted survey of nearshore fish species in Minnie-Belle Lake was conducted beginning on July 7th, 2025, by Lake Biological Monitoring and Assessment (LBMA) program staff. Sampling sites were evenly spaced around the lake, and each was sampled by backpack electrofishing and seining with a 50-foot or 15-foot seine,…

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 Minnie-Belle Lake. 4 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 Improving+0.14 m/yr6
Phosphorus Stable+0.07 µg/L/yr6
Chlorophyll-a Declining+0.24 µg/L/yr6
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (26 observations).

Typical Ice-Out
Apr 14
Typical Ice-In
Nov 23

Estimated open water season: 223 days

EarliestLatest
Ice-Out2016-03-15 (2016)2013-05-02 (2013)
Ice-In2011-11-09 (2011)2004-12-14 (2004)

Most recent ice-out: 2020-04-04

EPA Impairment Status

Minnie-Belle Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN47-0119-00 · Official waterbody report

County Ranking

Ranked #1 of 19 lakes in Meeker County

Nearby Lakes in Meeker County

Frequently asked questions about Minnie-Belle Lake

What is the water quality grade for Minnie-Belle Lake?

Minnie-Belle Lake in Meeker County, Minnesota has a water quality grade of A (Excellent). Water clarity: 14.4 ft visibility. Phosphorus: 14 µg/L. Chlorophyll-a (algae): 3.8 µg/L. Maximum depth: 49 ft. Surface area: 596.58 acres.

Is Minnie-Belle Lake safe to swim in?

Excellent for swimming, crystal clear water with minimal algae. Minnie-Belle Lake has a water quality grade of A (Excellent). Algae concentration (chlorophyll-a) is 3.8 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Minnie-Belle Lake?

Minnie-Belle Lake typically sits around 72°F at the surface in August, from 24 EPA Water Quality Portal field readings (2011–2021). That is a typical value for the month, not a live reading.

How deep is Minnie-Belle Lake?

Minnie-Belle Lake has a maximum depth of 49 feet and an average depth of 31.5 feet. The lake covers 596.58 acres.

What fish are in Minnie-Belle Lake?

Fish species found in Minnie-Belle Lake include black bullhead, black crappie, bluegill, brown bullhead, common carp, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, walleye, white sucker, yellow bullhead, yellow perch. Minnie-Belle Lake is located in Meeker County, Minnesota.

When does Minnie-Belle Lake thaw?

Minnie-Belle Lake typically has ice-out around Apr 14. Ice typically forms around Nov 23. The open water season is approximately 223 days.

Are there boat ramps on Minnie-Belle Lake?

Minnie-Belle Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Minnie-Belle. Public access is listed as yes.

Where this data comes from

83 measurements from 1 monitoring station, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA83 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 (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

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