Cleanest Lakes in Woodbury County, Iowa
Little Sioux Park Lake in Woodbury County leads the rankings with a water quality grade of C and 5.7 ft of clarity. Below are the top 3 cleanest monitored lakes in Woodbury County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Little Sioux Park Lake | Woodbury | C | 5.7 ft | - | 5.7 µg/L |
| 2 | Snyder Bend Lake | Woodbury | D | 2.1 ft | - | 27.3 µg/L |
| 3 | Browns Lake | Woodbury | F | 0.6 ft | - | 61.6 µg/L |