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C

Lower Red Lake : West

Beltrami County, MinnesotaEutrophic

The LakeGrade rubric puts Lower Red Lake : West at a C: clarity at 4.0 ft, 37 µg/L of phosphorus, and a TSI of 57 signal an intermediate trophic state. With clarity and phosphorus scored, the sub-grades cluster within a letter of each other, pointing to stable conditions rather than one specific stressor.

A TSI in the eutrophic range signals a lake doing what nutrient-loaded waters do — supporting an active algal community at the cost of clear water. 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. Lower Red Lake : West ranks 83 of 92 in Beltrami County — at the lower end of the locally monitored distribution.

No invasive species are currently listed at Lower Red Lake : West — the lake remains off the Minnesota infested-waters roster. The state fisheries records do not list documented species for Lower Red Lake : West, which usually reflects a lack of formal fisheries survey work rather than an empty lake. 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 2025-10-14. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Generally safe for swimming, moderate water quality

Water Quality Grade: C, Fair

Murky, only visible to about 4 ft. Phosphorus level: 37 µg/L. Trophic State Index: 57.

MetricValueGrade
Water Clarity (Secchi Depth)4 ftD
Phosphorus37 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)57Eutrophic

High nutrients, frequent algae, reduced clarity

Water Quality Trend: Stable

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable0 m/yr6
Phosphorus Stable+0.3 µg/L/yr6
See year-by-year chart →

Location

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County Ranking

Ranked #83 of 92 lakes in Beltrami County

Cleaner Lakes Within 30 Miles

Lower Red Lake : West holds Grade C. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Beltrami County

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2025-10-14

Monitoring stations: 1