How Clean Is Crowder S.P. Lake?
Crowder S.P. 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: 110 µg/L. Chlorophyll-a (algae): 176.4 µg/L. Trophic State Index: 77.
Cleanliness Snapshot
| Metric | Crowder S.P. Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 1 ft | — |
| Phosphorus | 110 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 176.4 µg/L | <10 = clean |
| Trophic State Index | 77 | <50 = clean |
How does Crowder S.P. Lake compare?
Crowder S.P. Lake's grade of F falls below the Wisconsin state average of C. It ranks #1 of 1 lakes in Grundy County by water quality score.