How Clean Is South Stanchfield Lake?
South Stanchfield Lake has very poor water quality and a high algae bloom risk. It received a water quality grade of F (Very Poor) based on EPA monitoring data. Water clarity (Secchi depth): 2.5 ft. Phosphorus: 119 µg/L. Chlorophyll-a (algae): 33.4 µg/L. Trophic State Index: 67.
Cleanliness Snapshot
| Metric | South Stanchfield Lake | Minnesota avg |
|---|---|---|
| Overall Grade | F | C |
| Water Clarity (Secchi) | 2.5 ft | — |
| Phosphorus | 119 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 33.4 µg/L | <10 = clean |
| Trophic State Index | 67 | <50 = clean |
How does South Stanchfield Lake compare?
South Stanchfield Lake's grade of F falls below the Minnesota state average of C. It ranks #19 of 19 lakes in Isanti County by water quality score.