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LakeQuality
B

Watersmeet Lake

Vilas County, WisconsinMesotrophic

Watersmeet Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. Clarity, phosphorus, and chlorophyll-a all rate similarly, so there is no obvious single lever to pull on watershed management.

Mesotrophic conditions dominate at Watersmeet Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. At only 12 ft deep, Watersmeet Lake is shallow — wind keeps the water column mixed and sediment resuspension drives phosphorus levels harder to manage. At 107 acres, Watersmeet Lake fits the Wisconsin median for monitored lakes, with partial shoreline records. Within the 202 graded lakes of Vilas County, Watersmeet Lake sits at rank 188, near the bottom of the county list.

Eurasian watermilfoil has been documented at Watersmeet Lake, requiring shoreline management to keep dense mats from crowding native vegetation. The fishery includes walleye alongside the lake's other 6 documented species — a notable draw for Wisconsin anglers. 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 2025-07-26. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Good clarity, visible to about 11.5 ft. Phosphorus level: 36.2 µg/L. Trophic State Index: 49.

MetricValueGrade
Water Clarity (Secchi Depth)11.5 ftB
Phosphorus36.2 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)49Mesotrophic

Moderate nutrients, good water quality

Lake Details

CharacteristicValue
Maximum Depth12 ft
Surface Area107 acres

Fish Species

Click a species to see all Wisconsin and Minnesota lakes where it is found.

→ Best fishing times for Watersmeet Lake (14-day solunar calendar)

→ Is it safe to eat fish from Watersmeet Lake? (mercury & PFAS guide)

Watersmeet Lake fishing regulations (limits, seasons, special rules)

Invasive Species

Eurasian Water-MilfoilRusty Crayfish

Water Quality Trend: Declining

Based on 7 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable+0.049 m/yr7
Phosphorus Declining+4.25 µg/L/yr6
See year-by-year chart →

Location

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County Ranking

Ranked #188 of 202 lakes in Vilas County

Cleaner Lakes Within 30 Miles

Watersmeet Lake holds Grade B. 3 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Vilas County

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 1993. 3 stations on file (most recent sample 2025).

DNR Assessment
Reported
Trophic State Index 46 (mesotrophic) · 5-year average

Fish Species (DNR-rated)

Musky(Common)Panfish(Common)Largemouth Bass(Common)Walleye(Common)Smallmouth Bass(Present)Northern Pike(Present)

Data Sources

Water quality data from the EPA Water Quality Portal

Grading methodology based on Metropolitan Council standards

Fish and recreation data from Wisconsin DNR Lakes

Most recent sample: 2025-07-26

Monitoring stations: 1