Nodaway County Lake Quality
Missouri, 5 lakes, average grade D (Poor)
Only 5 lakes in Nodaway County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. On average, Nodaway County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Southern Mozingo Rservoir Lake (C) is the cleanest in the county.
Quick Answers for Nodaway County
Planning a trip? Check special fishing regulations for Southern Mozingo Rservoir Lake — or check the official Missouri fishing regulations.
All Lakes in Nodaway County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Southern Mozingo Rservoir Lake | C | - | 40 µg/L |
| 2 | Mozingo Lake Between Arms | C | 3.5 ft | 37.7 µg/L |
| 3 | Bilby Ranch Lake | D | 2.4 ft | 51.3 µg/L |
| 4 | Nodaway Lake | D | 2.1 ft | 57 µg/L |
| 5 | Mozingo Lake | F | - | 120 µg/L |
Other Counties in Missouri
See how Nodaway County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 15 states.
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Source: EPA National Aquatic Resource Surveys, 2026.