How Clean Is Lake Darling?
Lake Darling has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 5.8 ft. Phosphorus: 395 µg/L. Chlorophyll-a (algae): 9 µg/L. Trophic State Index: 65.
Cleanliness Snapshot
| Metric | Lake Darling | Wisconsin avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 5.8 ft | — |
| Phosphorus | 395 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 9 µg/L | <10 = clean |
| Trophic State Index | 65 | <50 = clean |
How does Lake Darling compare?
Lake Darling's grade of D falls below the Wisconsin state average of C. It ranks #4 of 4 lakes in Ward County by water quality score.