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LakeQuality
B

Beam Pond

Ramsey County, MinnesotaLimited DataMesotrophic

On the LakeGrade scale Beam Pond grades a B, with clarity readings still being added and 20 µg/L of phosphorus placing it above the Minnesota median. 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 lake sits in the mesotrophic zone — the band where most well-managed Minnesota lakes fall. 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. Beam Pond ranks 6 of 49 in Ramsey County, putting it in the upper tier of locally monitored lakes.

Beam Pond has no invasive species recorded in Minnesota state databases as of 2020, though prevention practices still apply at all access points. The state fisheries records do not list documented species for Beam Pond, which usually reflects a lack of formal fisheries survey work rather than an empty lake. No formal public access is documented at Beam Pond — most use is by shoreline residents and their guests. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2020-02-21. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

No clarity data. Phosphorus level: 20 µg/L. Trophic State Index: 47.

MetricValueGrade
Water Clarity (Secchi Depth)No data
Phosphorus20 µg/LB
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)47Mesotrophic

Moderate nutrients, good water quality

Location

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County Ranking

Ranked #6 of 49 lakes in Ramsey County

Nearby Lakes in Ramsey County

DNR Reports & Resources

Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Beam Pond. 1 report on file.

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2020-02-21

Monitoring stations: 1