Is Dale Maffitt Reservoir Safe for Swimming?
Dale Maffitt Reservoir in Dallas County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 9.8 ft visibility. Chlorophyll-a (algae): 2.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 9.8 ft |
| Chlorophyll-a (Algae) | 2.5 μg/L |
| Location | Dallas County, Wisconsin |
How does Dale Maffitt Reservoir compare?
With an overall water quality grade of B, Dale Maffitt Reservoir matches or beats the Wisconsin state average of Grade D. It ranks #1 of 2 lakes in Dallas County by water quality score.
Water clarity (Secchi depth) sits at 9.8 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 2.5 µg/L — low and well within safe swimming guidelines.