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Fullers Lake: West Basin

Beltrami County, MinnesotaMesotrophic

On the LakeGrade rubric, Fullers Lake: West Basin pulls an A: clarity at 13.0 ft and 13 µg/L of phosphorus put it in the top bracket for Minnesota. Clarity, phosphorus, and chlorophyll-a all rate similarly, so there is no obvious single lever to pull on watershed management.

A TSI near 40 places Fullers Lake: West Basin in the mesotrophic band — moderate productivity, with seasonal swings between clearer spring water and richer late-summer conditions. 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. Fullers Lake: West Basin ranks 45 of 95 in Beltrami County — solidly in the upper half of the local distribution.

Fullers Lake: West Basin 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 Fullers Lake: West Basin, 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 2025-09-10. Grade methodology: LakeGrade methodology.

Watch Fullers Lake: West Basin water quality

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Good clarity, visible to about 13 ft. Phosphorus level: 12.5 µg/L. Trophic State Index: 40.

MetricValueGrade
Water Clarity (Secchi Depth)13 ftB
Phosphorus12.5 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)40Mesotrophic

Moderate nutrients, good water quality

Water Quality Trend: Stable

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

MetricTrendChange/YearYears
Water Clarity Stable+0.043 m/yr6
Phosphorus Stable-0.11 µg/L/yr6
See year-by-year chart →

Location

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County Ranking

Ranked #45 of 95 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: 2025-09-10

Monitoring stations: 1

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