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LakeQuality
B

Rice Lake

Vilas County, WisconsinEutrophic

Rice 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.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. A maximum depth of just 7 ft means sediment-bound phosphorus releases back into the water column whenever wind stirs the bottom — a classic shallow-lake dynamic. Rice Lake is small — 79 acres alongside partial shoreline records — which makes it sensitive to even modest changes in watershed runoff or recreational pressure. Rice Lake ranks 187 of 202 in Vilas County — at the lower end of the locally monitored distribution.

Rice Lake has no invasive species recorded in Wisconsin state databases as of 2025, though prevention practices still apply at all access points. Walleye are documented at Rice Lake, one of 5 fish species on record for the lake. Public access is available — the lake is on the Wisconsin DNR public-access list. 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 2025-08-17. 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 10.7 ft. Phosphorus level: 39.6 µg/L. Trophic State Index: 50.

MetricValueGrade
Water Clarity (Secchi Depth)10.7 ftB
Phosphorus39.6 µg/LC
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)50Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth7 ft
Surface Area79 acres
Public AccessYes

Fish Species

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

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

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

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

Water Quality Trend: Improving

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

MetricTrendChange/YearYears
Water Clarity Improving+0.183 m/yr7
Phosphorus Improving-2.53 µg/L/yr6

Recreation & Access

1
Boat Landings
Yes
Public Access

Location

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County Ranking

Ranked #187 of 202 lakes in Vilas County

Nearby Lakes in Vilas County

Eutrophic Lakes in Wisconsin

WI DNR Lake Profile

Authoritative data from the Wisconsin DNR LakePages. Monitored by volunteers since 2016. 1 station on file (most recent sample 2025).

DNR Assessment
Good · Shallow Lowland lake
Trophic State Index 54 (eutrophic) · 5-year average

Fish Species (DNR-rated)

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

DNR Reports & Resources

Wisconsin DNR Fisheries scientists publish multi-year survey reports for Rice Lake covering fish populations, stocking, water quality, and management. 1 report on file.

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: 2025-08-17

Monitoring stations: 1