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): 4 ft. Phosphorus: 135 µg/L. Trophic State Index: 66.
Cleanliness Snapshot
| Metric | Collinwood Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 4 ft | — |
| Phosphorus | 135 µg/L | <30 = clean |
| Trophic State Index | 66 | <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 stable based on 5 years of records.