How Clean Is Renwick Dam Lake?
Renwick Dam Lake has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 3 ft. Chlorophyll-a (algae): 3.5 µg/L. Trophic State Index: 52.
Cleanliness Snapshot
| Metric | Renwick Dam Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 3 ft | — |
| Chlorophyll-a (Algae) | 3.5 µg/L | <10 = clean |
| Trophic State Index | 52 | <50 = clean |
How does Renwick Dam Lake compare?
Renwick Dam Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #1 of 1 lakes in Pembina County by water quality score.