Middle Kimball Lake
Washburn County, Wisconsin96 acresView mapDirections
Wisconsin DNR publishes the water-quality measurements for Middle Kimball Lake. Here is what has been measured.
- Oligotrophic
- 77 ft max depth
Middle Kimball Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 16 ft visibility. Phosphorus: 13.1 µg/L. Maximum depth: 77 ft. Surface area: 96 acres.
Wisconsin DNR rates Panfish and Northern Pike as abundant on Middle Kimball Lake. DNR survey details →
Middle Kimball Lake is a 96-acre cold, clear oligotrophic lake in Washburn County, Wisconsin with a maximum depth of 77 feet. Overall water quality is improving over recent sampling years. The lake supports 3 documented fish species including Panfish, Largemouth Bass, and Northern Pike. Compared to the 26 other monitored lakes in Washburn County, Middle Kimball Lake ranks #13 for water quality.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2026-06-21. Methodology: how these readings are compared.
What Middle Kimball Lake is good for
From access and monitoring records, not editorial picks.
- Clear water16 ft of visibility
- Fishing3 species recorded
- Deep water77 ft surveyed max depth
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Middle Kimball Lake is safe to swim in today is a call for the Wisconsin Department of Natural Resources and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Middle Kimball Lake
These are the measurements Wisconsin DNR publishes for Middle Kimball Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 16 ft down. Phosphorus 13.1 µg/L. TSI 39.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 16ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 13.1µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 39 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Middle Kimball Lake
Answers come straight from the public measurements and survey records on this page.
Water Temperature
Middle Kimball Lake typically sits around 68°F at the surface in September. Summer average is about 73°F. Usually warmest in Jul (about 75°F) and coldest in May (about 58°F). These are typical values by month — not a live reading.
Column height runs from this lake’s coldest month (58°F) to its warmest (75°F).
Typical surface water temperature by month, from 26 field readings (2024–2025) via the EPA Water Quality Portal. See the full Middle Kimball Lake water temperature breakdown →
Wisconsin DNR rates Panfish and Northern Pike as abundant on Middle Kimball Lake.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Middle Kimball Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1997. 1 station on file (most recent sample 2025).
Fish Species (DNR-rated)
Lake Details
Max depth
77 ft
Surface area
96 acres
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Stays near Middle Kimball Lake
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Fish Species
Click a species to see every lake where it is documented.
Fishing Middle Kimball Lake
- → Middle Kimball Lake fishing: DNR survey catch rates, species & stocking
- → Middle Kimball Lake fishing forecast & best times (species outlook + 14-day solunar calendar)
- → Middle Kimball Lake fishing regulations (limits, seasons, special rules)
- → Is it safe to eat fish from Middle Kimball Lake? (mercury & PFAS guide)
Water Quality Trend: Improving
Based on 7 years of monitoring (2020–2026).
Water clarity
Improving5 years
Phosphorus
Improving-0.98 µg/L/yr7 years
Nearby Lakes in Washburn County
Frequently asked questions about Middle Kimball Lake
Where is Middle Kimball Lake?
- Middle Kimball Lake is a lake in Washburn County, Wisconsin. Its water-quality measurements are published by Wisconsin DNR and shown on this page as reported.
What is the water quality of Middle Kimball Lake?
- Middle Kimball Lake in Washburn County, Wisconsin has water-quality measurements published by Wisconsin DNR, shown here as reported. Water clarity: 16 ft visibility. Phosphorus: 13.1 µg/L. Maximum depth: 77 ft. Surface area: 96 acres.
Is Middle Kimball Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water temperature of Middle Kimball Lake?
- Middle Kimball Lake typically sits around 68°F at the surface in September, from 26 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.
How deep is Middle Kimball Lake?
- Middle Kimball Lake has a maximum depth of 77 feet. The lake covers 96 acres.
What fish are in Middle Kimball Lake?
- Fish species found in Middle Kimball Lake include Panfish, Largemouth Bass, Northern Pike. Middle Kimball Lake is located in Washburn County, Wisconsin.
What did the DNR fisheries survey find at Middle Kimball Lake?
- Wisconsin DNR rates Panfish and Northern Pike as abundant on Middle Kimball Lake. A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Middle Kimball Lake’s water-quality measurements separately, and the water-quality trend over 7 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
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Where this data comes from
60 measurements from 1 monitoring station, 2020–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Wisconsin Department of Natural Resources
WIDNR_WQX60 samples · 2020–2026
Analytical methods
- Phosphorus by Colorimetry
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Fish and recreation data from Wisconsin DNR Lakes