B
Rudd Lake
Floyd County, WisconsinMesotrophic
Rudd Lake is a mesotrophic lake in Floyd County, IA. Water quality is graded B based on 2 sampling years through 2024.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-10-22. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Moderate clarity, visible to about 8.1 ft. Chlorophyll-a: 4.5 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.1 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 4.5 µg/L | A |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Location
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County Ranking
Ranked #1 of 1 lakes in Floyd County
Cleaner Lakes Within 30 Miles
Rudd Lake holds Grade B. One nearby lake has a higher grade.
See full comparison →Nearby Lakes in Floyd County
More Wisconsin Lake Rankings
Other Grade B Lakes in Wisconsin
Mesotrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2024-10-22
Monitoring stations: 1