How Clean Is Lake Darling?
Lake Darling 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): 5.4 ft. Chlorophyll-a (algae): 10.7 µg/L. Trophic State Index: 53.
Cleanliness Snapshot
| Metric | Lake Darling | North Dakota avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 5.4 ft | — |
| Chlorophyll-a (Algae) | 10.7 µg/L | <10 = clean |
| Trophic State Index | 53 | <50 = clean |
How does Lake Darling compare?
Lake Darling's grade of C matches or beats the North Dakota state average of C. It ranks #3 of 3 lakes in Renville County by water quality score.