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LakeQuality
A

Clear Lake Sec. 24 T37n R7e

Oneida County, WisconsinOligotrophic

Clear Lake Sec. 24 T37n R7e earns an A — water clarity, phosphorus, and chlorophyll-a all rate among the best monitored waters in Oneida County. 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's low TSI puts it in oligotrophic territory — the cleanest of the four trophic classes, but also the most vulnerable to nutrient-driven shifts. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. At 41 acres, Clear Lake Sec. 24 T37n R7e sits below the Wisconsin median: a small water where shoreline activity has an outsized effect on water quality. Clear Lake Sec. 24 T37n R7e sits at rank 79 of 140 in Oneida County, in the lower half of the local distribution.

No invasive species are currently listed at Clear Lake Sec. 24 T37n R7e — the lake remains off the Wisconsin infested-waters roster. The fishery is bass-led, with 2 documented species across the lake's records. 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 2025-10-30. Grade methodology: LakeGrade methodology.

Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Crystal clear, you can see 31 ft down. Phosphorus level: 14.5 µg/L. Trophic State Index: 35.

MetricValueGrade
Water Clarity (Secchi Depth)31 ftA
Phosphorus14.5 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)35Oligotrophic

Low nutrients, clear water, excellent for swimming

Lake Details

CharacteristicValue
Surface Area41 acres

Fish Species

Click a species to see all Wisconsin and Minnesota lakes where it is found.

→ Best fishing times for Clear Lake Sec. 24 T37n R7e (14-day solunar calendar)

→ Is it safe to eat fish from Clear Lake Sec. 24 T37n R7e? (mercury & PFAS guide)

Clear Lake Sec. 24 T37n R7e fishing regulations (limits, seasons, special rules)

Water Quality Trend: Stable

Based on 4 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable+0.109 m/yr4
See year-by-year chart →

Location

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County Ranking

Ranked #79 of 140 lakes in Oneida County

Nearby Lakes in Oneida County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 2023. 1 station on file (most recent sample 2025).

Fish Species (DNR-rated)

Largemouth Bass(Common)Panfish(Present)

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Fish and recreation data from Wisconsin DNR Lakes

Most recent sample: 2025-10-30

Monitoring stations: 1