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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.

A TSI in the eutrophic range signals a lake doing what nutrient-loaded waters do — supporting an active algal community at the cost of clear water. 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 52 graded lakes of Bayfield County, East Wetland Inlet To Lake Ree sits at rank 42, near the bottom of the county list.

No invasive species are currently listed at East Wetland Inlet To Lake Ree — the lake remains off the Wisconsin infested-waters roster. 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. 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 2023-08-30. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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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: Stable

Based on 6 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable+0.232 m/yr6
Phosphorus Stable+0.13 µg/L/yr5
See year-by-year chart →

Location

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County Ranking

Ranked #42 of 52 lakes in Bayfield County

Cleaner Lakes Within 30 Miles

East Wetland Inlet To Lake Ree holds Grade B. 3 nearby lakes hold higher grades.

Nearby Lakes in Bayfield County

State Parks Near East Wetland Inlet To Lake Ree

EPA Impairment Status

East Wetland Inlet To Lake Ree is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Source: EPA ATTAINS assessment unit WI10026588 · Official waterbody report · Matched by proximity (1.67 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: 2023-08-30

Monitoring stations: 1