How Clean Is North Lake West Basin?
North Lake West Basin 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 | North Lake West Basin | Wisconsin avg |
|---|---|---|
| Overall Grade | NR | B |
| Water Clarity (Secchi) | 9.5 ft | — |
| Trophic State Index | 45 | <50 = clean |
How does North Lake West Basin compare?
North Lake West Basin 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. Multi-year monitoring data shows water quality is stable based on 6 years of records.