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LakeQuality
B

Long Lake West Basin

Gogebic County, WisconsinLimited DataMesotrophic

Long Lake West Basin is a mesotrophic lake in Gogebic County, MI. Water quality is graded B based on 1 sampling years through 2021. Compared to the 39 other monitored lakes in Gogebic County, Long Lake West Basin ranks #10 for water quality.

Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-09-15. 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 11.5 ft. Trophic State Index: 42.

MetricValueGrade
Water Clarity (Secchi Depth)11.5 ftB
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)42Mesotrophic

Moderate nutrients, good water quality

Location

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County Ranking

Ranked #10 of 40 lakes in Gogebic County

Nearby Lakes in Gogebic County

EPA Impairment Status

Long Lake West Basin is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MI040201020101-14 · Official waterbody report · Matched by proximity (1.91 km)

Data Sources

Water quality data from the EPA Water Quality Portal

Impairment status from EPA ATTAINS 303(d) database

Grading methodology based on Metropolitan Council standards

Most recent sample: 2021-09-15

Monitoring stations: 1