Skip to main content
LakeQuality

Weyers Lake

D
Grade D — Nutrient-rich
Nutrient-rich · #15 of 16 lakes in the county · 6 ft clear · Eutrophic · 6 acres
Eutrophic

Weyers Lake in Manitowoc County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 6 ft visibility. Phosphorus: 92.3 µg/L. Maximum depth: 32 ft. Surface area: 6 acres.

Clarity
6 ft
Max depth
32 ft
Area
6 acres
Type
Eutrophic
Trend
Improving
Public access
Yes

Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Weyers Lake

Next lake in Manitowoc County

BHartlaub Lake5 ft clear · Manitowoc CountyView →
Loading map…

Weyers Lake is a 6-acre productive, nutrient-rich eutrophic lake in Manitowoc County, Wisconsin with a maximum depth of 32 feet. Water quality is graded D based on 1 sampling years through 2024. Overall water quality is improving over recent sampling years. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Public access is available. Compared to the 15 other monitored lakes in Manitowoc County, Weyers Lake ranks #15 for water quality.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-08-20. Grade methodology: LakeGrade methodology.

Watch Weyers Lake water quality

Subscribe for LakeQuality updates by email. No spam, unsubscribe anytime.

Swimming Safety

Grade only

Elevated nutrients

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.

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum

Compare the safest swimming lakes near Green Bay

Get alerts for Weyers Lake

Water Quality Grade: D (Nutrient-rich)

Murky, only visible to about 6 ft. Phosphorus level: 92.3 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)6 ftNot graded
Phosphorus92.3 µg/LPoor
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)60Eutrophic

High nutrients, frequent algae, reduced clarity

Where to stay near Weyers Lake

Compare lakeside cabins, hotels, and vacation rentals near Weyers Lake in Manitowoc 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Weyers Lake are listed below.

Top-rated places to stay near Weyers Lake

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Wisconsin’s top lakes →

Lake Details

CharacteristicValue
Maximum Depth32 ft
Surface Area6 acres
Public AccessYes

Fish Species

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

Fishing Weyers Lake

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2024).

DNR Assessment
Good · Small lake
Trophic State Index 52 (eutrophic) · 5-year average

Fish Species (DNR-rated)

Panfish(Common)Largemouth Bass(Common)

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

MetricTrendChange/YearYears
Water Clarity Stable-0.014 m/yr6
Phosphorus Improving-8.08 µg/L/yr7
See year-by-year chart →

EPA Impairment Status

Weyers Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit WI10000122 · Official waterbody report

County Ranking

Ranked #15 of 16 lakes in Manitowoc County

Nearby Lakes With Higher Grades

Weyers Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

See full comparison →

Nearby Lakes in Manitowoc County

Frequently asked questions about Weyers Lake

What is the water quality grade for Weyers Lake?

Weyers Lake in Manitowoc County, Wisconsin has a water quality grade of D (Nutrient-rich). Water clarity: 6 ft visibility. Phosphorus: 92.3 µg/L. Maximum depth: 32 ft. Surface area: 6 acres.

Is Weyers Lake safe to swim in?

Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Weyers Lake has a water quality grade of D (Nutrient-rich). Always check local health department advisories before swimming.

How deep is Weyers Lake?

Weyers Lake has a maximum depth of 32 feet. The lake covers 6 acres.

What fish are in Weyers Lake?

Fish species found in Weyers Lake include Panfish, Largemouth Bass. Weyers Lake is located in Manitowoc County, Wisconsin.

Where this data comes from

28 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • Wisconsin Department of Natural ResourcesWIDNR_WQX28 samples · 2020–2024

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