How Clean Is Pomme de Terre Lake?
Pomme de Terre 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): 4.5 ft. Trophic State Index: 55.
Cleanliness Snapshot
| Metric | Pomme de Terre Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 4.5 ft | — |
| Trophic State Index | 55 | <50 = clean |
How does Pomme de Terre Lake compare?
Pomme de Terre Lake's grade of D falls below the Minnesota state average of C. It ranks #5 of 10 lakes in Grant County by water quality score. Multi-year monitoring data shows water quality is improving based on 6 years of records.