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LakeQuality

Goose Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #14 of 20 lakes in the county · 6.1 ft clear · Eutrophic · 324 acres
Limited DataEutrophic

Goose Lake in Pope County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 6.1 ft visibility. Phosphorus: 185.5 µg/L. Chlorophyll-a (algae): 27.6 µg/L. Maximum depth: 17 ft. Surface area: 323.83 acres.

Clarity
6.1 ft
Typical in August
78°F
Max depth
17 ft
Area
324 acres
Type
Eutrophic
Trend
Stable
Public access
Yes

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

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FSimon Lake1.3 ft clear · Pope CountyView →
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Goose Lake is a 324-acre productive, nutrient-rich eutrophic lake in Pope County, Minnesota with a maximum depth of 17 feet. Water quality is graded D based on 2 sampling years through 2020. Phosphorus level is improving over recent sampling years. The lake supports 5 documented fish species including black bullhead, bluegill, and green sunfish. Public access is available. Compared to the 19 other monitored lakes in Pope County, Goose Lake ranks #14 for water quality.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2020-09-22. 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 Goose Lake

Water Quality Grade: D (Nutrient-rich)

Murky, only visible to about 6.1 ft. Phosphorus level: 185.5 µg/L. Chlorophyll-a: 27.6 µg/L. Trophic State Index: 65.

MetricValueGrade
Water Clarity (Secchi Depth)6.1 ftNot graded
Phosphorus185.5 µg/LPoor
Chlorophyll-a (Algae)27.6 µg/LPoor
Trophic State Index (TSI)65Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Goose Lake

Compare lakeside cabins, hotels, and vacation rentals near Goose Lake in Pope 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 Goose Lake are listed below.

Top-rated places to stay near Goose 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

Goose Lake typically sits around 78°F at the surface in August. Summer average is about 76°F. Usually warmest in Aug (about 78°F) and coldest in May (about 54°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
54°
Jun
72°
Jul
77°
Aug
78°
Sep
69°
Oct
Nov
Dec

Typical surface water temperature by month, from 29 field readings (20102019) via the EPA Water Quality Portal. See the full Goose Lake water temperature breakdown →

Blue-Green Algae (Cyanobacteria)

No current satellite reading

There’s no recent EPA CyAN cyanobacteria estimate for Goose Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was high (469,894 cells/mL) on July 18, 2026.

Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗

Lake Details

CharacteristicValue
Maximum Depth17 ft
Surface Area324 acres
Shoreline Length4.1 mi
Public AccessYes

Lake Size & Watershed

Watershed (drainage) area
1 sq mi
Elevation
1,178 ft

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

Fish Species

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

Fishing Goose Lake

DNR Fisheries Survey Summary

2 surveys on file from MN DNR Fisheries. Most recent: 2019-06-03 (Standard Survey).

Top Species by Catch Rate

SpeciesAvg CPUEAvg Weight
Largemouth Bass47.280.91 lb
White Sucker6.631.46 lb
Black Bullhead2.791.42 lb
Green Sunfish1.420.1 lb
Bluegill0.830.04 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

142 fish · 318 in · 2019-06-03
462304681012141618

White Sucker

21 fish · 821 in · 2019-06-03
63089101112131415161718192021

Black Bullhead

8 fish · 821 in · 2019-06-03
21089101112131415161718192021

Green Sunfish

3 fish · 45 in · 2019-06-03
21045

From the 2019-06-03 survey

Goose Lake is a shallow basin located five miles south of Terrace in Pope County. Maximum depth is approximately 17.0 feet. Winterkill events were common on Goose Lake prior to water levels rising in recent decades. Increasing water levels are evidenced by dead standing timber fringing the shoreline. Increased depth…

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 Goose 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+0.025 m/yr6
Phosphorus Improving-4.37 µg/L/yr6
Chlorophyll-a Declining+5.46 µg/L/yr6
See year-by-year chart →

EPA Impairment Status

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

Causes of impairment

Nutrients (phosphorus, nitrogen)

Source: EPA ATTAINS assessment unit MN61-0043-00 · Official waterbody report

County Ranking

Ranked #14 of 20 lakes in Pope County

Nearby Lakes With Higher Grades

Goose Lake holds Grade D. 2 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

Nearby Lakes in Pope County

Frequently asked questions about Goose Lake

What is the water quality grade for Goose Lake?

Goose Lake in Pope County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 6.1 ft visibility. Phosphorus: 185.5 µg/L. Chlorophyll-a (algae): 27.6 µg/L. Maximum depth: 17 ft. Surface area: 323.83 acres.

Is Goose 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. Goose Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 27.6 µg/L. Always check local health department advisories before swimming.

What is the water temperature of Goose Lake?

Goose Lake typically sits around 78°F at the surface in August, from 29 EPA Water Quality Portal field readings (2010–2019). That is a typical value for the month, not a live reading.

How deep is Goose Lake?

Goose Lake has a maximum depth of 17 feet. The lake covers 323.83 acres.

What fish are in Goose Lake?

Fish species found in Goose Lake include black bullhead, bluegill, green sunfish, largemouth bass, white sucker. Goose Lake is located in Pope County, Minnesota.

Does Goose Lake have blue-green algae?

There is no recent EPA CyAN cyanobacteria estimate for Goose Lake (clouds, ice, or an off-season gap). The most recent reading was high (469,894 cells/mL). Blue-green algae can appear and clear within days, so check Minnesota's current advisory before swimming.

Eutrophic Lakes in Minnesota

Where this data comes from

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

Collected and reported by

  • Minnesota Pollution Control Agency - Ambient Surface WaterMNPCA10 samples · 2020

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