Vilas County, Wisconsin · Water Quality Report Card
Bigcrawlingstone Deep Lake
Bigcrawlingstone Deep Lake in Vilas County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Maximum depth: 87 ft. Surface area: 1483 acres.
- Max depth
- 87 ft
- Area
- 1,483 acres
- Trend
- ↓ Declining
Bigcrawlingstone Deep Lake is a 1,483-acre lake in Vilas County, Wisconsin with a maximum depth of 87 feet. Overall water quality is declining over recent sampling years. 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 | 87 ft |
| Surface Area | 1,483 acres |
Where to stay near Bigcrawlingstone Deep Lake
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Fish Species
Click a species to see every graded lake where it is documented.
Fishing Bigcrawlingstone Deep Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
Water Quality Trend: ↓ Declining
Based on 7 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.429 m/yr | 7 |
| Phosphorus | ↓ Declining | +2.3 µg/L/yr | 6 |
Location
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Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Where this data comes from
673 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)
LDFWATER2007673 samples · 2021–2025
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