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D

Rice Lake

Grant County, WisconsinEutrophic

Rice Lake pulls a D on the LakeGrade rubric — phosphorus loading and limited clarity hold it below the Wisconsin average. The two scored sub-grades — clarity and phosphorus — track close together, so neither one is dragging the average down.

Eutrophic conditions are the baseline here: clarity drops noticeably in late summer, and dissolved oxygen near the bottom can become a concern. Rice Lake is a shallow lake at 5 ft maximum depth, which means it warms quickly, mixes constantly, and amplifies nutrient inputs. 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. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.

Source: EPA Water Quality Portal sampling records, Wisconsin DNR Surface Water, last sampled 2024-10-28. Grade methodology: LakeGrade methodology.

Reviewed by LakeQuality Editorial Team · Updated

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Swimming Safety

Swimming not recommended, poor water quality with high algae risk

Water Quality Grade: D, Poor

Murky, only visible to about 4.6 ft. Phosphorus level: 66.6 µg/L. Trophic State Index: 60.

MetricValueGrade
Water Clarity (Secchi Depth)4.6 ftD
Phosphorus66.6 µg/LD
Chlorophyll-a (Algae)No data
Trophic State Index (TSI)60Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Maximum Depth5 ft
Surface Area73 acres

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

Location

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County Ranking

Ranked #2 of 3 lakes in Grant County

Cleaner Lakes Within 30 Miles

Rice Lake holds Grade D. 5 nearby lakes hold higher grades.

See full comparison →

Nearby Lakes in Grant County

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

Most recent sample: 2024-10-28

Monitoring stations: 1