How Clean Is Big Crawling Stone Deep Lake?
Big Crawling Stone Deep Lake 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): 17 ft. Trophic State Index: 36.
Cleanliness Snapshot
| Metric | Big Crawling Stone Deep Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | NR | B |
| Water Clarity (Secchi) | 17 ft | — |
| Trophic State Index | 36 | <50 = clean |
How does Big Crawling Stone Deep Lake compare?
Big Crawling Stone Deep Lake 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 declining based on 7 years of records.