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.
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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.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.6 ft | D |
| Phosphorus | 66.6 µg/L | D |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 60 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 5 ft |
| Surface Area | 73 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).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.175 m/yr | 3 |
| Phosphorus | ↑ Improving | -38.45 µg/L/yr | 3 |
Location
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.
- BCruson Slough LakeRichland County · mi · Two grade letters higher (D → B)
- BBlack Hawk LakeIowa County · mi · Two grade letters higher (D → B)
- CGoodwiler LakeIowa County · mi · Higher grade (D → C)
- CKendal LakeIowa County · mi · Higher grade (D → C)
- CJones Slough LakeGrant County · mi · Higher grade (D → C)
Nearby Lakes in Grant County
More Wisconsin Lake Rankings
State Parks Near Rice Lake
Other Grade D Lakes in Wisconsin
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)
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