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D

Unnamed Lake

Langlade County, WisconsinLimited DataEutrophic

Unnamed Lake pulls a D on the LakeGrade rubric — phosphorus loading and limited clarity hold it below the Wisconsin average.

At a TSI of 57, Unnamed Lake reads as eutrophic — nutrient-rich enough that summer algal growth and reduced clarity are expected, not unusual. At only 8 ft deep, Unnamed Lake is shallow — wind keeps the water column mixed and sediment resuspension drives phosphorus levels harder to manage. At 8 acres, Unnamed Lake sits below the Wisconsin median: a small water where shoreline activity has an outsized effect on water quality. Unnamed Lake ranks 29 of 32 in Langlade County — at the lower end of the locally monitored distribution.

No invasive species are currently listed at Unnamed Lake — the lake remains off the Wisconsin infested-waters roster. The state fisheries records do not list documented species for Unnamed Lake, 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, Wisconsin DNR Surface Water, last sampled 2022-08-17. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 4.2 ft. Trophic State Index: 57.

MetricValueGrade
Water Clarity (Secchi Depth)4.2 ftD
PhosphorusNo data
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)57Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth8 ft
Surface Area8 acres

Location

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County Ranking

Ranked #29 of 32 lakes in Langlade County

Cleaner Lakes Within 30 Miles

Unnamed Lake holds Grade D. 3 nearby lakes hold higher grades.

Nearby Lakes in Langlade County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2022).

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-08-17

Monitoring stations: 1