How Clean Is West Stump Lake?
West Stump Lake 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): 9.8 ft. Chlorophyll-a (algae): 39.6 µg/L. Trophic State Index: 55.
Cleanliness Snapshot
| Metric | West Stump Lake | North Dakota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 9.8 ft | — |
| Chlorophyll-a (Algae) | 39.6 µg/L | <10 = clean |
| Trophic State Index | 55 | <50 = clean |
How does West Stump Lake compare?
West Stump Lake's grade of D falls below the North Dakota state average of C. It ranks #3 of 9 lakes in Nelson County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.