How Clean Is High Falls Reservoir at?
High Falls Reservoir at 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): 9.5 ft. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | High Falls Reservoir at | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 9.5 ft | — |
| Trophic State Index | 45 | <50 = clean |
How does High Falls Reservoir at compare?
High Falls Reservoir at's grade of C matches or beats the Wisconsin state average of C. It ranks #17 of 21 lakes in Marinette County by water quality score.