Sand Lake
Marshall County, WisconsinMesotrophic
Sand Lake is a mesotrophic lake in Marshall County, IA. Water quality is graded B based on 2 sampling years through 2024. Compared to the 1 other monitored lakes in Marshall County, Sand Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2024-09-11. Grade methodology: LakeGrade methodology.
Swimming Safety
Good for swimming, clear water with low algae levels
Water Quality Grade: B, Good
Murky, only visible to about 6.4 ft. Chlorophyll-a: 3.6 µg/L. Trophic State Index: 47.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6.4 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.6 µg/L | A |
| Trophic State Index (TSI) | 47 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #1 of 2 lakes in Marshall County
Nearby Lakes in Marshall 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: 2024-09-11
Monitoring stations: 1