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LakeQuality
B

Ge-Be-on-Equat Lake

St. Louis County, MinnesotaLimited DataMesotrophic

On the LakeGrade scale Ge-Be-on-Equat Lake grades a B, with clarity at 10.0 ft and phosphorus readings still being added placing it above the Minnesota median. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

Mesotrophic conditions dominate at Ge-Be-on-Equat Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Ge-Be-on-Equat Lake is unusually deep for Minnesota at 55 ft, which buffers the lake against summer warming and helps the deep water stay oxygenated. Ge-Be-on-Equat Lake covers 660 acres alongside 13.0 miles of shoreline — a mid-sized water that supports a working fishery without being so large that conditions diverge between basins. Ge-Be-on-Equat Lake ranks 85 of 215 in St. Louis County — solidly in the upper half of the local distribution.

No invasive species are currently listed at Ge-Be-on-Equat Lake — the lake remains off the Minnesota infested-waters roster. Walleye are documented at Ge-Be-on-Equat Lake, one of 5 fish species on record for the lake. No formal public access is documented at Ge-Be-on-Equat Lake — most use is by shoreline residents and their guests. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-07-26. Grade methodology: LakeGrade methodology.

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Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 10 ft. Trophic State Index: 44.

MetricValueGrade
Water Clarity (Secchi Depth)10 ftB
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)44Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth55 ft
Surface Area659.89 acres
Shoreline Length13 mi
Littoral Zone37%
Public AccessNo

Fish Species

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

→ Best fishing times for Ge-Be-on-Equat Lake (14-day solunar calendar)

→ Is it safe to eat fish from Ge-Be-on-Equat Lake? (mercury & PFAS guide)

Ge-Be-on-Equat Lake fishing regulations (limits, seasons, special rules)

Location

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County Ranking

Ranked #85 of 215 lakes in St. Louis County

Nearby Lakes in St. Louis County

EPA Impairment Status

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

Causes of impairment

Mercury

Source: EPA ATTAINS assessment unit MN69-0350-00 · 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

Most recent sample: 2025-07-26

Monitoring stations: 1