How Clean Is Guilford Lake?
Guilford 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): 13.8 ft. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Guilford Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 13.8 ft | — |
| Trophic State Index | 39 | <50 = clean |
How does Guilford Lake compare?
Guilford Lake's grade of B matches or beats the Wisconsin state average of B. It ranks #3 of 7 lakes in Chenango County by water quality score.