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LakeQuality

Parkers Lake

C
Grade C — Fair
Fair · #20 of 81 lakes in the county · 7 ft clear · Eutrophic · 100 acres
Eutrophic

Parkers Lake in Hennepin County, Minnesota has a water quality grade of C (Fair). Water clarity: 7 ft visibility. Phosphorus: 52.6 µg/L. Chlorophyll-a (algae): 6 µg/L. Maximum depth: 37 ft. Surface area: 100.17 acres.

Clarity
7 ft
Typical in August
61°F
Max depth
37 ft
Area
100 acres
Type
Eutrophic
Trend
Declining
Public access
Yes
Ice-out
Apr 3
Open water
244 days

Next lake in Hennepin County

DMedicine Lake7.9 ft clear · Hennepin CountyView →
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Parkers Lake is a 100-acre productive, nutrient-rich eutrophic lake in Hennepin County, Minnesota with a maximum depth of 37 feet (12-foot average). Water quality is graded C based on 3 sampling years through 2025. Overall water quality is declining over recent sampling years. The lake supports 9 documented fish species including black crappie, bluegill, and brown bullhead. Public access is available with 1 public boat landing. Compared to the 80 other monitored lakes in Hennepin County, Parkers Lake ranks #20 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

Moderate

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.

Generally safe for swimming, moderate water quality

Compare the safest swimming lakes near Minneapolis

Get alerts for Parkers Lake

Water Quality Grade: C (Fair)

Moderate clarity, visible to about 7 ft. Phosphorus level: 52.6 µg/L. Chlorophyll-a: 6 µg/L. Trophic State Index: 53.

MetricValueGrade
Water Clarity (Secchi Depth)7 ftNot graded
Phosphorus52.6 µg/LPoor
Chlorophyll-a (Algae)6 µg/LGood
Trophic State Index (TSI)53Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Parkers Lake

Compare lakeside cabins, hotels, and vacation rentals near Parkers Lake in Hennepin 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 Parkers 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

Parkers Lake typically sits around 61°F at the surface in August. Summer average is about 60°F. Usually warmest in Jul (about 61°F) and coldest in Jan (about 37°F). These are typical values by month — not a live reading.

Jan
37°
Feb
Mar
Apr
44°
May
51°
Jun
57°
Jul
61°
Aug
61°
Sep
59°
Oct
51°
Nov
38°
Dec

Typical surface water temperature by month, from 746 field readings (20102025) via the EPA Water Quality Portal. See the full Parkers Lake water temperature breakdown →

Lake Details

CharacteristicValue
Maximum Depth37 ft
Average Depth12 ft
Surface Area100 acres
Shoreline Length1.8 mi
Littoral Zone68%
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
1 sq mi
Elevation
912 ft

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

Recreation & Access

1
Boat Landings
Yes
Public Access
  • Parkers Lake ParkPublic

Fish Species

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

Fishing Parkers 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 watermilfoil

DNR Fisheries Survey Summary

7 surveys on file from MN DNR Fisheries. Most recent: 2017-06-12 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Largemouth Bass422.881.18 lb
Bluegill70.820.15 lb
Brown Bullhead9.900.58 lb
Green Sunfish8.300.08 lb
Black Crappie8.110.2 lb
Yellow Bass7.070.69 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

70 fish · 719 in · 2017-06-12
1580trophy 2078910111213141516171819

Bluegill

321 fish · 27 in · 2017-06-12
77390234567

Brown Bullhead

12 fish · 1113 in · 2017-06-12
740111213

Green Sunfish

1 fish · 44 in · 2017-06-12
104

From the 2017-06-12 survey

Parkers Lake is a 100-acre lake with a maximum depth of 37 feet, located in central Hennepin County, in the city of Plymouth. Parkers Lake is primarily managed for Largemouth Bass, but also supports catchable populations of Bluegill and Northern Pike. A Standard Survey (trap nets and gill nets) was conducted on…

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 Parkers Lake. 2 reports on file.

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

Based on 5 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Declining-0.134 m/yr4
Phosphorus Declining+3.6 µg/L/yr3
Chlorophyll-a Declining+2.7 µg/L/yr3
See year-by-year chart →

Ice Season

Historical ice data from Minnesota DNR (26 observations).

Typical Ice-Out
Apr 3
Typical Ice-In
Dec 3

Estimated open water season: 244 days

EarliestLatest
Ice-Out2024-03-03 (2024)2018-05-01 (2018)
Ice-In2003-11-27 (2003)2001-12-20 (2001)

Most recent ice-out: 2026-03-31

EPA Impairment Status

Parkers Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

MercurySalinity / chlorides

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

Source: EPA ATTAINS assessment unit MN27-0107-00 · Official waterbody report

Regulated Pollution Sources Nearby

1 EPA-permitted facility operate within about 5 miles of Parkers Lake under Clean Water Act (NPDES) discharge permits. 1 facility has a reported Clean Water Act violation in the past three years.

  • Medivators
    Plymouth · 1.3 mi away · NPDES MN0063541
    Recent violation

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 #20 of 81 lakes in Hennepin County

Nearby Lakes With Higher Grades

Parkers Lake holds Grade C. 2 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 Hennepin County

Frequently asked questions about Parkers Lake

What is the water quality grade for Parkers Lake?

Parkers Lake in Hennepin County, Minnesota has a water quality grade of C (Fair). Water clarity: 7 ft visibility. Phosphorus: 52.6 µg/L. Chlorophyll-a (algae): 6 µg/L. Maximum depth: 37 ft. Surface area: 100.17 acres.

Is Parkers Lake safe to swim in?

Generally safe for swimming, moderate water quality. Parkers Lake has a water quality grade of C (Fair). Algae concentration (chlorophyll-a) is 6 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Parkers Lake?

Parkers Lake typically sits around 61°F at the surface in August, from 746 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

How deep is Parkers Lake?

Parkers Lake has a maximum depth of 37 feet and an average depth of 12 feet. The lake covers 100.17 acres.

What fish are in Parkers Lake?

Fish species found in Parkers Lake include black crappie, bluegill, brown bullhead, green sunfish, hybrid sunfish, largemouth bass, northern pike, pumpkinseed, yellow bullhead. Parkers Lake is located in Hennepin County, Minnesota.

When does Parkers Lake thaw?

Parkers Lake typically has ice-out around Apr 3. Ice typically forms around Dec 3. The open water season is approximately 244 days.

Are there boat ramps on Parkers Lake?

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

Eutrophic Lakes in Minnesota

Where this data comes from

239 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA239 samples · 2021–2025

Analytical methods

  • Field measurement/observation, generic method
  • Phosphorus by Two Reagent Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
  • 4500 N C ~ Persufate Method for Total Nitrogen
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)

Lake details from Minnesota DNR LakeFinder

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

Ice data from Minnesota DNR Climate