How Clean Is Raintree Lake?
Raintree 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): 2.5 ft. Phosphorus: 66.4 µg/L. Chlorophyll-a (algae): 34.5 µg/L. Trophic State Index: 65.
Cleanliness Snapshot
| Metric | Raintree Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 2.5 ft | — |
| Phosphorus | 66.4 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 34.5 µg/L | <10 = clean |
| Trophic State Index | 65 | <50 = clean |
How does Raintree Lake compare?
Raintree Lake's grade of F falls below the Wisconsin state average of C. It ranks #1 of 5 lakes in Cass County by water quality score.