Is Deer Ridge Comm. Lake Safe for Swimming?
Deer Ridge Comm. Lake in Lewis County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 2.9 ft visibility. Phosphorus: 44 µg/L. Chlorophyll-a (algae): 19.8 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 2.9 ft |
| Phosphorus | 44 μg/L |
| Chlorophyll-a (Algae) | 19.8 μg/L |
| Location | Lewis County, Wisconsin |
How does Deer Ridge Comm. Lake compare?
With an overall water quality grade of D, Deer Ridge Comm. Lake falls below the Wisconsin state average of Grade C. It ranks #1 of 1 lakes in Lewis County by water quality score.
Water clarity (Secchi depth) sits at 2.9 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 19.8 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.