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Wazee Lake

Jackson County, WisconsinOligotrophic

Wazee Lake sits at the top of the Wisconsin DNR grading rubric with an A, a mark reached by the cleanest lakes in Wisconsin. With clarity and phosphorus scored, the sub-grades cluster within a letter of each other, pointing to stable conditions rather than one specific stressor.

Trophically, Wazee Lake reads as oligotrophic — nutrient-poor, clear, and ecologically more sensitive to disturbance than richer lakes. At 350 ft of maximum depth, Wazee Lake stratifies reliably through the summer — the hypolimnion stays cooler and clearer than the surface layer suggests. At 146 acres, Wazee Lake fits the Wisconsin median for monitored lakes, with partial shoreline records. Among the 3 graded lakes in Jackson County, Wazee Lake sits at rank 1, above the county median.

Eurasian watermilfoil is established at Wazee Lake, which can dampen recreational access and pressure the native plant community. The state fisheries records do not list documented species for Wazee 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 2022-06-22. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Excellent for swimming, crystal clear water with minimal algae

Water Quality Grade: A, Excellent

Crystal clear, you can see 30 ft down. Phosphorus level: 9.3 µg/L. Trophic State Index: 32.

MetricValueGrade
Water Clarity (Secchi Depth)30 ftA
Phosphorus9.3 µg/LA
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)32Oligotrophic

Low nutrients, clear water, excellent for swimming

Lake Details

CharacteristicValue
Maximum Depth350 ft
Surface Area146 acres

Invasive & Introduced Species

Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.

Curly-Leaf PondweedEurasian Water-Milfoil

Location

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County Ranking

Ranked #1 of 3 lakes in Jackson County

Nearby Lakes in Jackson County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2025).

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2022-06-22

Monitoring stations: 1