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F

Victoria Lake

Hennepin County, MinnesotaHypereutrophic

Victoria Lake grades an F: water clarity, phosphorus, and chlorophyll-a all rate poorly, placing it among the most stressed lakes monitored in Minnesota. Sub-grades cluster within a single letter of each other, which usually means the lake is in stable trophic balance rather than fighting one specific stressor.

The hypereutrophic status — TSI 71 — reflects sustained heavy nutrient loading from the surrounding watershed and frequent algal pressure. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. The lake's surface area is not consistently recorded across state datasets — physical context remains partial. Within Hennepin County's 104 graded lakes, Victoria Lake ranks 71 — below the local median, though not at the bottom.

No invasive species are currently listed at Victoria Lake — the lake remains off the Minnesota infested-waters roster. The state fisheries records do not list documented species for Victoria Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. No formal public access is documented at Victoria Lake — most use is by shoreline residents and their guests. The grade is supported by multiple sampling years from Minnesota PCA volunteers and partner agencies, giving the letter a reasonably stable foundation.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-08-09. Grade methodology: LakeGrade methodology.

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Swimming Safety

Avoid swimming, very poor water quality, potential algae toxins

Water Quality Grade: F, Very Poor

Very murky, less than 1.2 ft of visibility. Phosphorus level: 78 µg/L. Chlorophyll-a: 56 µg/L. Trophic State Index: 71.

MetricValueGrade
Water Clarity (Secchi Depth)1.2 ftF
Phosphorus78 µg/LD
Chlorophyll-a (Algae)56 µg/LF
Trophic State Index (TSI)71Hypereutrophic

Very high nutrients, dense algae, poor clarity

Water Quality Trend: Stable

Based on 2 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.033 m/yr2
Phosphorus Declining+9.5 µg/L/yr2

Location

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County Ranking

Ranked #71 of 104 lakes in Hennepin County

Cleaner Lakes Within 30 Miles

Victoria Lake holds Grade F. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Hennepin County

State Parks Near Victoria Lake

Hypereutrophic Lakes in Minnesota

EPA Impairment Status

Victoria 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 MN27-0053-00 · Official waterbody report · Matched by proximity (0.79 km)

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

Most recent sample: 2024-08-09

Monitoring stations: 1