How Clean Is Hamilton Lake?
Hamilton Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Phosphorus: 64.2 µg/L. Chlorophyll-a (algae): 20.7 µg/L. Trophic State Index: 62.
Cleanliness Snapshot
| Metric | Hamilton Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Phosphorus | 64.2 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 20.7 µg/L | <10 = clean |
| Trophic State Index | 62 | <50 = clean |
How does Hamilton Lake compare?
Hamilton Lake's grade of D falls below the Wisconsin state average of C. It ranks #1 of 1 lakes in Caldwell County by water quality score.