How Clean Is Pleasant Lake?
Pleasant 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): 5.6 ft. Phosphorus: 54 µg/L. Chlorophyll-a (algae): 11.6 µg/L. Trophic State Index: 56.
Cleanliness Snapshot
| Metric | Pleasant Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 5.6 ft | — |
| Phosphorus | 54 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 11.6 µg/L | <10 = clean |
| Trophic State Index | 56 | <50 = clean |
How does Pleasant Lake compare?
Pleasant Lake's grade of D falls below the Minnesota state average of C. It ranks #24 of 44 lakes in Ramsey County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.