Vilas County, Wisconsin · Water Quality Report Card
Littletroutlake_deep
Littletroutlake_deep in Vilas County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 98 ft. Surface area: 1007 acres.
- Max depth
- 98 ft
- Area
- 1,007 acres
- Trend
- → Stable
Littletroutlake_deep is a 1,007-acre lake in Vilas County, Wisconsin with a maximum depth of 98 feet. The lake supports 6 documented fish species including Musky, Panfish, and Largemouth Bass.
Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2025-11-18. Grade methodology: LakeGrade methodology.
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Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
No clarity data.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data |
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 98 ft |
| Surface Area | 1,007 acres |
Where to stay near Littletroutlake_deep
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Littletroutlake_deep
Water Quality Trend: → Stable
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | → Stable | -0.17 µg/L/yr | 2 |
Location
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Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Where this data comes from
447 measurements from 1 monitoring station, 2021–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Lac Du Flambeau Band of Lake Superior Chippewa Indians Water Program (Tribal)
LDFWATER2007447 samples · 2021–2025
Analytical methods
- Turbidity by Nephelometry
Monitoring station identifiers (1)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Fish and recreation data from Wisconsin DNR Lakes
Most recent sample: 2025-11-18
Monitoring stations: 1