How Clean Is Whitewater Lake?
Whitewater Lake is among the cleanest lakes in Minnesota. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 14 ft. Phosphorus: 14.5 µg/L. Chlorophyll-a (algae): 1.8 µg/L. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Whitewater Lake | Minnesota avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 14 ft | — |
| Phosphorus | 14.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 1.8 µg/L | <10 = clean |
| Trophic State Index | 39 | <50 = clean |
How does Whitewater Lake compare?
Whitewater Lake's grade of A matches or beats the Minnesota state average of C. It ranks #25 of 68 lakes in St. Louis County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.
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