How Clean Is Dale Maffitt Reservoir?
Dale Maffitt Reservoir is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 9.8 ft. Chlorophyll-a (algae): 2.5 µg/L. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | Dale Maffitt Reservoir | Wisconsin avg |
|---|---|---|
| Overall Grade | B | D |
| Water Clarity (Secchi) | 9.8 ft | — |
| Chlorophyll-a (Algae) | 2.5 µg/L | <10 = clean |
| Trophic State Index | 42 | <50 = clean |
How does Dale Maffitt Reservoir compare?
Dale Maffitt Reservoir's grade of B matches or beats the Wisconsin state average of D. It ranks #1 of 2 lakes in Dallas County by water quality score.