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D

Goose Lake

Washington County, MinnesotaEutrophic

Goose Lake pulls a D on the LakeGrade rubric — phosphorus loading and limited clarity hold it below the Minnesota average. Clarity is the limiting factor — phosphorus is reasonable but suspended particles or algal cells keep water transparency below Minnesota norms.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. A maximum depth of 25 ft puts Goose Lake in the middle of Minnesota's depth distribution. The lake is compact at 76 acres, with 2.6 miles of shoreline and little volume to buffer nutrient inputs. Goose Lake ranks 73 of 83 in Washington County — at the lower end of the locally monitored distribution.

Goose Lake carries an invasive watermilfoil record — boat-launch decontamination and shoreline care matter more here than at uninfested lakes. The fishery is bass-led, with 7 documented species across the lake's records. A documented public access point at Goose Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. Ice-out has been recorded 20 times at Goose Lake, with a median around Apr 11. Multiple sampling years from Minnesota PCA volunteers and partner agencies back the grade, so the letter should hold steady absent a major watershed shift.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-10-25. Grade methodology: LakeGrade methodology.

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Very murky, less than 3 ft of visibility. Phosphorus level: 40 µg/L. Chlorophyll-a: 40 µg/L. Trophic State Index: 62.

MetricValueGrade
Water Clarity (Secchi Depth)3 ftF
Phosphorus40 µg/LC
Chlorophyll-a (Algae)40 µg/LF
Trophic State Index (TSI)62Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth25 ft
Average Depth12.6 ft
Surface Area75.86 acres
Shoreline Length2.6 mi
Littoral Zone54%
Public AccessYes

Fish Species

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

→ Best fishing times for Goose Lake (14-day solunar calendar)

→ Is it safe to eat fish from Goose Lake? (mercury & PFAS guide)

Goose Lake fishing regulations (limits, seasons, special rules)

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

Ice Season

Historical ice data from Minnesota DNR (38 observations).

Typical Ice-Out
Apr 11
Typical Ice-In
Nov 23

Estimated open water season: 226 days

EarliestLatest
Ice-Out2000-03-08 (2000)2018-04-30 (2018)
Ice-In1991-11-04 (1991)1998-12-17 (1998)

Most recent ice-out: 2019-04-19

Location

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County Ranking

Ranked #73 of 83 lakes in Washington County

Cleaner Lakes Within 30 Miles

Goose Lake holds Grade D. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Washington County

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

MercuryNutrients (phosphorus, nitrogen)

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

Source: EPA ATTAINS assessment unit MN82-0059-00 · Official waterbody report

Data Sources

Water quality data from the EPA Water Quality Portal

Impairment status from EPA ATTAINS 303(d) database

Grading methodology based on Metropolitan Council standards

Lake details from Minnesota DNR LakeFinder

Ice data from Minnesota DNR Climate

Most recent sample: 2024-10-25

Monitoring stations: 1