How Clean Is W Two Rivers Reservoir?
W Two Rivers Reservoir has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 6.4 ft. Phosphorus: 29 µg/L. Chlorophyll-a (algae): 5.5 µg/L. Trophic State Index: 50.
Cleanliness Snapshot
| Metric | W Two Rivers Reservoir | Minnesota avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 6.4 ft | — |
| Phosphorus | 29 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 5.5 µg/L | <10 = clean |
| Trophic State Index | 50 | <50 = clean |
How does W Two Rivers Reservoir compare?
W Two Rivers Reservoir's grade of C matches or beats the Minnesota state average of C. It ranks #57 of 68 lakes in St. Louis County by water quality score.