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Bahr Lake

B
Grade B — Good
Good · #12 of 21 lakes in the county · 6.8 ft clear · Mesotrophic · 7 acres
Limited DataMesotrophic

Bahr Lake in Shawano County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.8 ft visibility. Phosphorus: 20.1 µg/L. Maximum depth: 44 ft. Surface area: 7 acres.

Clarity
6.8 ft
Max depth
44 ft
Area
7 acres
Type
Mesotrophic

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Bahr Lake is a 7-acre mesotrophic lake in Shawano County, Wisconsin with a maximum depth of 44 feet. Water quality is graded B based on 1 sampling years through 2020. The lake supports 4 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Compared to the 20 other monitored lakes in Shawano County, Bahr Lake ranks #12 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2020-09-02. Grade methodology: LakeGrade methodology.

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Swimming Safety

Grade only

Limited data

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Good for swimming, clear water with low algae levels

Compare the safest swimming lakes near Green Bay

Get alerts for Bahr Lake

Water Quality Grade: B (Good)

Moderate clarity, visible to about 6.8 ft. Phosphorus level: 20.1 µg/L. Trophic State Index: 49.

MetricValueGrade
Water Clarity (Secchi Depth)6.8 ftNot graded
Phosphorus20.1 µg/LGood
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)49Mesotrophic

Moderate nutrients, good water quality

Where to stay near Bahr Lake

Compare lakeside cabins, hotels, and vacation rentals near Bahr Lake in Shawano County, Wisconsin — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Bahr Lake

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Lake Details

CharacteristicValue
Maximum Depth44 ft
Surface Area7 acres

Fish Species

Click a species to see every graded lake where it is documented.

Fishing Bahr Lake

Invasive & Introduced Species

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

Banded Mystery SnailEurasian Water-MilfoilHybrid Eurasian / Northern Water-Milfoil

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2020).

Fish Species (DNR-rated)

Largemouth Bass(Common)Panfish(Present)Northern Pike(Present)Trout(Present)

EPA Impairment Status

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

Causes of impairment

Cause unknown

Source: EPA ATTAINS assessment unit WI10026371 · Official waterbody report

County Ranking

Ranked #12 of 21 lakes in Shawano County

Nearby Lakes in Shawano County

Frequently asked questions about Bahr Lake

What is the water quality grade for Bahr Lake?

Bahr Lake in Shawano County, Wisconsin has a water quality grade of B (Good). Water clarity: 6.8 ft visibility. Phosphorus: 20.1 µg/L. Maximum depth: 44 ft. Surface area: 7 acres.

Is Bahr Lake safe to swim in?

Good for swimming, clear water with low algae levels. Bahr Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.

How deep is Bahr Lake?

Bahr Lake has a maximum depth of 44 feet. The lake covers 7 acres.

What fish are in Bahr Lake?

Fish species found in Bahr Lake include Panfish, Largemouth Bass, Northern Pike, Trout. Bahr Lake is located in Shawano County, Wisconsin.

Where this data comes from

7 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX7 samples · 2020

Analytical methods

  • Phosphorus by Colorimetry
Monitoring station identifiers (1)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Fish and recreation data from Wisconsin DNR Lakes