Kasbaum Lake
Kasbaum Lake in Manitowoc County, Wisconsin has a water quality grade of B (Good). Water clarity: 9.7 ft visibility. Phosphorus: 22.2 µg/L. Maximum depth: 68 ft. Surface area: 6 acres.
- Clarity
- 9.7 ft
- Max depth
- 68 ft
- Area
- 6 acres
- Type
- Mesotrophic
- Trend
- ↑ Improving
Next lake in Manitowoc County
Kasbaum Lake is a 6-acre mesotrophic lake in Manitowoc County, Wisconsin with a maximum depth of 68 feet. Water quality is graded B based on 1 sampling years through 2022. Overall water quality is improving over recent sampling years. The lake supports 2 documented fish species including Panfish and Largemouth Bass. Compared to the 15 other monitored lakes in Manitowoc County, Kasbaum Lake ranks #10 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2022-09-02. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyLimited 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
Water Quality Grade: B (Good)
Moderate clarity, visible to about 9.7 ft. Phosphorus level: 22.2 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 9.7 ft | Not graded |
| Phosphorus | 22.2 µg/L | Good |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Where to stay near Kasbaum Lake
Compare lakeside cabins, hotels, and vacation rentals near Kasbaum 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.
Top-rated places to stay near Kasbaum Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 68 ft |
| Surface Area | 6 acres |
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Kasbaum Lake
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2022).
Fish Species (DNR-rated)
Water Quality Trend: ↑ Improving
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.15 m/yr | 6 |
| Phosphorus | ↑ Improving | -5.23 µg/L/yr | 7 |
EPA Impairment Status
Kasbaum Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit WI10000133 · Official waterbody report · Matched by proximity (0.78 km)
County Ranking
Ranked #10 of 16 lakes in Manitowoc County
Nearby Lakes in Manitowoc County
Frequently asked questions about Kasbaum Lake
What is the water quality grade for Kasbaum Lake?
- Kasbaum Lake in Manitowoc County, Wisconsin has a water quality grade of B (Good). Water clarity: 9.7 ft visibility. Phosphorus: 22.2 µg/L. Maximum depth: 68 ft. Surface area: 6 acres.
Is Kasbaum Lake safe to swim in?
- Good for swimming, clear water with low algae levels. Kasbaum Lake has a water quality grade of B (Good). Always check local health department advisories before swimming.
How deep is Kasbaum Lake?
- Kasbaum Lake has a maximum depth of 68 feet. The lake covers 6 acres.
What fish are in Kasbaum Lake?
- Fish species found in Kasbaum Lake include Panfish, Largemouth Bass. Kasbaum Lake is located in Manitowoc County, Wisconsin.
Explore Kasbaum Lake across LakeGrade
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Moderate nutrients, good water quality
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Where this data comes from
16 measurements from 1 monitoring station, 2021–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX16 samples · 2021–2022
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