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LakeQuality
B

Lower Red Lake : East Central

Beltrami County, MinnesotaMesotrophic

Lower Red Lake : East Central comes in at a B on the grading rubric — a respectable showing for a Minnesota lake of its size and depth. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

Mesotrophic conditions dominate at Lower Red Lake : East Central: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. 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 Beltrami County's 86 graded lakes, Lower Red Lake : East Central ranks 62 — below the local median, though not at the bottom.

Lower Red Lake : East Central has no invasive species recorded in Minnesota state databases as of 2025, though prevention practices still apply at all access points. The state fisheries records do not list documented species for Lower Red Lake : East Central, 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.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 13.1 ft. Phosphorus level: 36 µg/L. Trophic State Index: 48.

MetricValueGrade
Water Clarity (Secchi Depth)13.1 ftB
Phosphorus36 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)48Mesotrophic

Moderate nutrients, good water quality

Water Quality Trend: Improving

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

MetricTrendChange/YearYears
Water Clarity Improving+0.107 m/yr6
Phosphorus Stable+0.49 µg/L/yr6

Location

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County Ranking

Ranked #62 of 86 lakes in Beltrami County

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