Mcnutt Lake
Oneida County, WisconsinLimited DataMesotrophic
On the LakeGrade scale Mcnutt Lake grades a B, with clarity at 12.0 ft and phosphorus readings still being added placing it above the Wisconsin median. Clarity, phosphorus, and chlorophyll-a all rate similarly, so there is no obvious single lever to pull on watershed management.
A TSI near 41 places Mcnutt Lake in the mesotrophic band — moderate productivity, with seasonal swings between clearer spring water and richer late-summer conditions. A maximum depth of 38 ft puts Mcnutt Lake in the middle of Wisconsin's depth distribution. Mcnutt Lake is small — 14 acres alongside partial shoreline records — which makes it sensitive to even modest changes in watershed runoff or recreational pressure. Mcnutt Lake ranks 58 of 134 in Oneida County — solidly in the upper half of the local distribution.
Mcnutt Lake has no invasive species recorded in Wisconsin state databases as of 2024, though prevention practices still apply at all access points. The fishery is bass-led, with 2 documented species across the lake's records. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-07-15. Grade methodology: LakeGrade methodology.
Watch Mcnutt Lake water quality
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Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Good clarity, visible to about 12 ft. Trophic State Index: 41.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 38 ft |
| Surface Area | 14 acres |
| Public Access | Yes |
Fish Species
Click a species to see every graded lake where it is documented.
→ Best fishing times for Mcnutt Lake (14-day solunar calendar)
→ Is it safe to eat fish from Mcnutt Lake? (mercury & PFAS guide)
→ Mcnutt Lake fishing regulations (limits, seasons, special rules)
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.482 m/yr | 3 |
Recreation & Access
Location
County Ranking
Ranked #58 of 134 lakes in Oneida County
Cleaner Lakes Within 30 Miles
Mcnutt Lake holds Grade B. 3 nearby lakes hold higher grades.
Nearby Lakes in Oneida County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
WI DNR Lake Profile
Authoritative data from the Wisconsin DNR LakePages. 1 station on file (most recent sample 2024).
Fish Species (DNR-rated)
EPA Impairment Status
Mcnutt 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 WI10007322 · Official waterbody report · Matched by proximity (2.38 km)
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Grading methodology based on Metropolitan Council standards
Fish and recreation data from Wisconsin DNR Lakes
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2024-07-15
Monitoring stations: 1
Where to stay near Mcnutt Lake
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