How Clean Is High Falls Reservoir at?
High Falls Reservoir at does not have enough monitoring data to grade. Its EPA monitoring record does not meet the evidence bar for a letter grade, so it is published unrated — that is an absence of evidence, not a poor result. The measurements below are what the record does contain. Water clarity (Secchi depth): 9.5 ft. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | High Falls Reservoir at | Wisconsin avg |
|---|---|---|
| Overall Grade | NR | B |
| Water Clarity (Secchi) | 9.5 ft | — |
| Trophic State Index | 45 | <50 = clean |
How does High Falls Reservoir at compare?
High Falls Reservoir at is not rated for water quality — its monitoring record does not meet the evidence bar, so it is not compared with the Wisconsin state average.