How Clean Is West Graham Lake?
West Graham 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): 4.1 ft. Phosphorus: 208 µg/L. Trophic State Index: 69.
Cleanliness Snapshot
| Metric | West Graham Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 4.1 ft | — |
| Phosphorus | 208 µg/L | <30 = clean |
| Trophic State Index | 69 | <50 = clean |
How does West Graham Lake compare?
West Graham Lake's grade of D falls below the Minnesota state average of C. It ranks #1 of 6 lakes in Nobles County by water quality score.