Great Lakes Quarries East
Cook County, WisconsinLimited DataEutrophic
Great Lakes Quarries East is a productive, nutrient-rich eutrophic lake in Cook County, IL. Water quality is graded D based on 1 sampling years through 2022. Compared to the 67 other monitored lakes in Cook County, Great Lakes Quarries East ranks #18 for water quality.
Source: EPA Water Quality Portal sampling records, local state DNR records, last sampled 2022-09-09. Grade methodology: LakeGrade methodology.
Swimming Safety
Swimming not recommended, poor water quality with high algae risk
Water Quality Grade: D, Poor
Murky, only visible to about 4.5 ft. Trophic State Index: 55.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.5 ft | D |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 55 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Location
County Ranking
Ranked #18 of 68 lakes in Cook County
Cleaner Lakes Within 30 Miles
Great Lakes Quarries East holds Grade D. 2 nearby lakes hold higher grades.
- CSag Quarry West LakeCook County · 2 mi · Higher grade (D → C)
- CSag Quarry East LakeCook County · 2.2 mi · Higher grade (D → C)
Nearby Lakes in Cook County
More Wisconsin Lake Rankings
Other Grade D Lakes in Wisconsin
Eutrophic Lakes in Wisconsin
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-09-09
Monitoring stations: 1