How Clean Is Collinwood Lake?
Collinwood 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): 3.9 ft. Phosphorus: 120.5 µg/L. Trophic State Index: 65.
Cleanliness Snapshot
| Metric | Collinwood Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 3.9 ft | — |
| Phosphorus | 120.5 µg/L | <30 = clean |
| Trophic State Index | 65 | <50 = clean |
How does Collinwood Lake compare?
Collinwood Lake's grade of D falls below the Minnesota state average of C. It ranks #48 of 64 lakes in Wright County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.