How Clean Is Big Cedar Lake?
Big Cedar Lake is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 16.4 ft. Phosphorus: 14.1 µg/L. Trophic State Index: 40.
Cleanliness Snapshot
| Metric | Big Cedar Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 16.4 ft | — |
| Phosphorus | 14.1 µg/L | <30 = clean |
| Trophic State Index | 40 | <50 = clean |
How does Big Cedar Lake compare?
Big Cedar Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #10 of 13 lakes in Washington County by water quality score. Multi-year monitoring data shows water quality is declining based on 7 years of records.