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LakeQuality
B

East Wetland Inlet To Lake Ree

Bayfield County, WisconsinLimited DataEutrophic

East Wetland Inlet To Lake Ree carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. Clarity, phosphorus, and chlorophyll-a all rate similarly, so there is no obvious single lever to pull on watershed management.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. 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. Within the 55 graded lakes of Bayfield County, East Wetland Inlet To Lake Ree sits at rank 51, near the bottom of the county list.

East Wetland Inlet To Lake Ree has no invasive species recorded in Wisconsin state databases as of 2023, though prevention practices still apply at all access points. The state fisheries records do not list documented species for East Wetland Inlet To Lake Ree, 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, Wisconsin DNR Surface Water, last sampled 2023-08-30. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

No clarity data. Phosphorus level: 28.2 µg/L. Trophic State Index: 52.

MetricValueGrade
Water Clarity (Secchi Depth)No data
Phosphorus28.2 µg/LB
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)52Eutrophic

High nutrients, frequent algae, reduced clarity

Water Quality Trend: Improving

Based on 7 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+0.353 m/yr7
Phosphorus Stable+0.13 µg/L/yr5

Location

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County Ranking

Ranked #51 of 55 lakes in Bayfield County

Nearby Lakes in Bayfield County

State Parks Near East Wetland Inlet To Lake Ree

Eutrophic Lakes in Wisconsin

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Most recent sample: 2023-08-30

Monitoring stations: 1