Kawishi Lake
Lake County, MinnesotaLimited DataEutrophic
Kawishi Lake earns a D — measurements through 2024 show persistent nutrient pressure that limits clarity through the summer. 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. Kawishi Lake is a shallow lake at 12 ft maximum depth, which means it warms quickly, mixes constantly, and amplifies nutrient inputs. At 372 acres, Kawishi Lake fits the Minnesota median for monitored lakes, with 11.0 miles of shoreline. Kawishi Lake ranks 141 of 142 in Lake County — at the lower end of the locally monitored distribution.
Kawishi Lake has no invasive species recorded in Minnesota state databases as of 2024, though prevention practices still apply at all access points. Walleye are documented at Kawishi Lake, one of 8 fish species on record for the lake. Public access is available — the lake is on the Minnesota PCA public-access list. 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, Minnesota DNR LakeFinder, last sampled 2024-07-30. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 4.5 ft. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 12 ft |
| Surface Area | 371.65 acres |
| Shoreline Length | 11 mi |
| Littoral Zone | 100% |
| Public Access | Yes |
Fish Species
Click a species to see all Minnesota and Wisconsin lakes where it is found.
→ Best fishing times for Kawishi Lake (14-day solunar calendar)
→ Is it safe to eat fish from Kawishi Lake? (mercury & PFAS guide)
→ Kawishi Lake fishing regulations (limits, seasons, special rules)
Location
County Ranking
Ranked #141 of 142 lakes in Lake County
Nearby Lakes in Lake County
More Minnesota Lake Rankings
State Parks Near Kawishi Lake
Other Grade D Lakes in Minnesota
Eutrophic Lakes in Minnesota
DNR Fisheries Survey Summary
10 surveys on file from MN DNR Fisheries. Most recent: 2024-09-09 (Standard Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Bluntnose Minnow | 39.17 | — |
| BNS | 29.25 | — |
| Yellow Perch | 16.23 | 0.25 lb |
| White Sucker | 9.80 | 2.1 lb |
| Spottail Shiner | 8.88 | — |
| Walleye | 3.73 | 1.26 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Yellow Perch
White Sucker
Walleye
From the 2024-09-09 survey
Kawishiwi Lake is a 372-acre lake with dark colored water and a maximum depth of twelve feet that sits on the edge of the Boundary Waters Canoe Area Wilderness. The access is located at the end of Forest Service 354 and consists of a gravel shoreline where multiple canoes can easily be launched. There is also a Forest…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Kawishi Lake. 3 reports on file.
- —Fisheries Lake Survey — KawishiwiFisheries Lake Survey · MN DNR LakeFinder
- —Aquatic Plant Report — Kawishiwi (1901)Aquatic Plant Report · MN DNR LakeFinder
- —Public Water Access Sites — KawishiwiPublic Water Access Sites · MN DNR LakeFinder
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Lake details from Minnesota DNR LakeFinder
Most recent sample: 2024-07-30
Monitoring stations: 1