How Clean Is Spring Lake?
Spring 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): 6.2 ft. Phosphorus: 64.6 µg/L. Chlorophyll-a (algae): 14.3 µg/L. Trophic State Index: 57.
Cleanliness Snapshot
| Metric | Spring Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 6.2 ft | — |
| Phosphorus | 64.6 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 14.3 µg/L | <10 = clean |
| Trophic State Index | 57 | <50 = clean |
How does Spring Lake compare?
Spring Lake's grade of D falls below the Minnesota state average of C. It ranks #14 of 21 lakes in Scott County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.