Vernon County Lake Quality
Missouri, 1 lakes, average grade F (Very Poor)
Only 1 lakes in Vernon 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. The county average is F — the most-stressed bracket in our rubric. Most monitored lakes here show persistent nutrient loading and algal pressure.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Izaak Walton Lake (F); the most-stressed is Izaak Walton Lake (F).
Quick Answers for Vernon County
Planning a trip? Check special fishing regulations for Izaak Walton Lake — or check the official Missouri fishing regulations.
All Lakes in Vernon County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Izaak Walton Lake | F | 1.5 ft | 280 µg/L |
Other Counties in Missouri
See how Vernon County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 15 states.
Where to stay near Vernon County
Top-rated places to stay near Vernon County
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Vernon County?
Get lake water-quality report cards plus the best cabin & lodging deals near Vernon County — straight to your inbox. No spam, unsubscribe anytime.
Source: EPA National Aquatic Resource Surveys, 2026.