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LakeQuality
B

Rice Lake

Grant County, WisconsinEutrophic

Rice Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. Phosphorus is the parameter holding the grade back — runoff from the surrounding watershed appears to keep nutrient levels elevated through the summer.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. At 73 acres, Rice Lake sits below the Wisconsin median: a small water where shoreline activity has an outsized effect on water quality. Rice Lake sits at rank 2 of 3 in Grant County, in the lower half of the local distribution.

Rice Lake has no invasive species recorded in Wisconsin state databases as of 2024, though prevention practices still apply at all access points. Bass fishing is part of the appeal: the species list runs to 3, anchored by largemouth and/or smallmouth bass. 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 2024-10-28. Grade methodology: LakeGrade methodology.

Swimming Safety

Good for swimming, clear water with low algae levels

Water Quality Grade: B, Good

Crystal clear, you can see 15.1 ft down. Phosphorus level: 66.6 µg/L. Trophic State Index: 51.

MetricValueGrade
Water Clarity (Secchi Depth)15.1 ftA
Phosphorus66.6 µg/LD
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)51Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Surface Area73 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 3 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Improving+1.175 m/yr3
Phosphorus Improving-38.45 µg/L/yr3

Recreation & Access

1
Boat Landings
Yes
Public Access

Location

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County Ranking

Ranked #2 of 3 lakes in Grant County

Nearby Lakes in Grant County

Eutrophic 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)

Panfish(Present)Largemouth 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: 2024-10-28

Monitoring stations: 1