How Clean Is Olp-09 Lake?
Olp-09 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): 1.7 ft. Chlorophyll-a (algae): 75.6 µg/L. Trophic State Index: 71.
Cleanliness Snapshot
| Metric | Olp-09 Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | F | D |
| Water Clarity (Secchi) | 1.7 ft | — |
| Chlorophyll-a (Algae) | 75.6 µg/L | <10 = clean |
| Trophic State Index | 71 | <50 = clean |
How does Olp-09 Lake compare?
Olp-09 Lake's grade of F falls below the Wisconsin state average of D. It ranks #4 of 4 lakes in Dubois County by water quality score.