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LakeQuality
A

Morph Lake

Itasca County, MinnesotaLimited DataMesotrophic

Morph Lake earns an A — water clarity, phosphorus, and chlorophyll-a all rate among the best monitored waters in Itasca County. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

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. Morph Lake ranks 40 of 141 in Itasca County — solidly in the upper half of the local distribution.

Morph Lake has no invasive species recorded in Minnesota state databases as of 2019, though prevention practices still apply at all access points. The state fisheries records do not list documented species for Morph Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. 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 2019-10-10. Grade methodology: LakeGrade methodology.

Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

No clarity data. Chlorophyll-a: 2.7 µg/L. Trophic State Index: 40.

MetricValueGrade
Water Clarity (Secchi Depth)No data
PhosphorusNo data
Chlorophyll-a (Algae)2.7 µg/LA
Trophic State Index (TSI)40Mesotrophic

Moderate nutrients, good water quality

Location

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County Ranking

Ranked #40 of 141 lakes in Itasca County

Nearby Lakes in Itasca County

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2019-10-10

Monitoring stations: 1