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LakeQuality

Greenleaf Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #10 of 19 lakes in the county · 2.8 ft clear · Eutrophic · 238 acres · from F
Limited DataEutrophic

Greenleaf Lake in Meeker County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 2.8 ft visibility. Phosphorus: 77.5 µg/L. Chlorophyll-a (algae): 25.3 µg/L. Maximum depth: 18 ft. Surface area: 237.77 acres.

Clarity
2.8 ft
Typical in August
77°F
Max depth
18 ft
Area
238 acres
Type
Eutrophic
Public access
Yes

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Greenleaf Lake

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Greenleaf Lake is a 238-acre productive, nutrient-rich eutrophic lake in Meeker County, Minnesota with a maximum depth of 18 feet (6-foot average). Water quality is graded D based on 2 sampling years through 2023. The lake supports 13 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, Greenleaf Lake ranks #10 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2023-09-18. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Limited data

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

Compare the safest swimming lakes near Willmar

Get alerts for Greenleaf Lake

Water Quality Grade: D (Nutrient-rich)

Very murky, less than 2.8 ft of visibility. Phosphorus level: 77.5 µg/L. Chlorophyll-a: 25.3 µg/L. Trophic State Index: 64.

MetricValueGrade
Water Clarity (Secchi Depth)2.8 ftNot graded
Phosphorus77.5 µg/LPoor
Chlorophyll-a (Algae)25.3 µg/LPoor
Trophic State Index (TSI)64Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Greenleaf Lake

Compare lakeside cabins, hotels, and vacation rentals near Greenleaf 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Greenleaf Lake are listed below.

Top-rated places to stay near Greenleaf 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

Greenleaf Lake typically sits around 77°F at the surface in August. Summer average is about 73°F. Usually warmest in Aug (about 77°F) and coldest in May (about 55°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
55°
Jun
69°
Jul
74°
Aug
77°
Sep
67°
Oct
Nov
Dec

Typical surface water temperature by month, from 38 field readings (20172023) via the EPA Water Quality Portal. See the full Greenleaf Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth18 ft
Average Depth6 ft
Surface Area238 acres
Shoreline Length3.1 mi
Littoral Zone76%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
3 sq mi
Elevation
1,076 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Greenleaf LakePublic

Fish Species

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

Fishing Greenleaf Lake

DNR Fisheries Survey Summary

12 surveys on file from MN DNR Fisheries. Most recent: 2022-07-18 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Black Bullhead79.640.53 lb
Largemouth Bass19.151.48 lb
Yellow Perch15.040.1 lb
Black Crappie13.890.23 lb
Bluegill11.870.19 lb
White Crappie9.720.24 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.

Black Bullhead

10 fish · 715 in · 2022-07-18
320789101112131415

Largemouth Bass

28 fish · 520 in · 2022-07-18
1160trophy 2068101214161820

Yellow Perch

69 fish · 47 in · 2022-07-18
331704567

Black Crappie

126 fish · 411 in · 2022-07-18
38190trophy 104567891011

From the 2022-07-18 survey

Greenleaf is a small lake (238 acres) located south of the City of Litchfield in Meeker County. A state-owned access with a single cement boat ramp is present on the south shore. Greenleaf has three miles of shoreline and a maximum depth of 18 feet. The lakeshore is mostly undeveloped, which creates a scenic…

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 Greenleaf Lake. 3 reports on file.

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

EPA Impairment Status

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

Causes of impairment

Nutrients (phosphorus, nitrogen)

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

Source: EPA ATTAINS assessment unit MN47-0062-00 · Official waterbody report

County Ranking

Ranked #10 of 19 lakes in Meeker County

Nearby Lakes With Higher Grades

Greenleaf Lake holds Grade D. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.

Nearby Lakes in Meeker County

Frequently asked questions about Greenleaf Lake

What is the water quality grade for Greenleaf Lake?

Greenleaf Lake in Meeker County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 2.8 ft visibility. Phosphorus: 77.5 µg/L. Chlorophyll-a (algae): 25.3 µg/L. Maximum depth: 18 ft. Surface area: 237.77 acres.

Is Greenleaf 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. Greenleaf Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 25.3 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Greenleaf Lake?

Greenleaf Lake typically sits around 77°F at the surface in August, from 38 EPA Water Quality Portal field readings (2017–2023). That is a typical value for the month, not a live reading.

How deep is Greenleaf Lake?

Greenleaf Lake has a maximum depth of 18 feet and an average depth of 6 feet. The lake covers 237.77 acres.

What fish are in Greenleaf Lake?

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

Are there boat ramps on Greenleaf Lake?

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

Where this data comes from

20 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA20 samples · 2023

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by 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