Round Lake
McHenry County, WisconsinMesotrophic
Round Lake is a mesotrophic lake in McHenry County, ND. Water quality is graded A based on 2 sampling years through 2021. Compared to the 2 other monitored lakes in McHenry County, Round Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2021-10-12. Grade methodology: LakeGrade methodology.
Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 12.1 ft. Chlorophyll-a: 2.4 µg/L. Trophic State Index: 40.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 12.1 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 2.4 µg/L | A |
| Trophic State Index (TSI) | 40 | Mesotrophic |
Moderate nutrients, good water quality
Location
County Ranking
Ranked #1 of 3 lakes in McHenry County
Nearby Lakes in McHenry County
More Wisconsin Lake Rankings
Other Grade A 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: 2021-10-12
Monitoring stations: 1