How Clean Is Ripple Lake?
Ripple 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 | Ripple Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 4.5 ft | — |
| Trophic State Index | 55 | <50 = clean |
How does Ripple Lake compare?
Ripple Lake's grade of D falls below the Minnesota state average of C. It ranks #49 of 53 lakes in Aitkin County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.