B
Big Rock Lake
Kane County, WisconsinMesotrophic
Big Rock Lake is a mesotrophic lake in Kane County, IL. Water quality is graded B based on 2 sampling years through 2022.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-10-11. 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. Phosphorus level: 10 µg/L. Trophic State Index: 42.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 8.1 ft | C |
| Phosphorus | 10 µg/L | A |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Location
Loading map…
County Ranking
Ranked #1 of 1 lakes in Kane County
Nearby Lakes in Kane 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: 2022-10-11
Monitoring stations: 2