How Clean Is Beaver Dam Lake?
Beaver Dam Lake has very poor water quality and a high algae bloom risk. It received a water quality grade of F (Very Poor) based on EPA monitoring data. Water clarity (Secchi depth): 1 ft. Phosphorus: 228 µg/L. Trophic State Index: 80.
Cleanliness Snapshot
| Metric | Beaver Dam Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 1 ft | — |
| Phosphorus | 228 µg/L | <30 = clean |
| Trophic State Index | 80 | <50 = clean |
How does Beaver Dam Lake compare?
Beaver Dam Lake's grade of F falls below the Wisconsin state average of C. It ranks #2 of 3 lakes in Dodge County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.