Roanoke County Lake Quality
Virginia, 1 lakes, average grade D (Poor)
Roanoke County has 1 graded lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. On average, Roanoke County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
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 Nla Lake (D); the most-stressed is Nla Lake (D).
Quick Answers for Roanoke County
Planning a trip? Check special fishing regulations for Nla Lake — or check the official Virginia fishing regulations.
All Lakes in Roanoke County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Nla Lake | D | 4.3 ft | 60000 µg/L |
Other Counties in Virginia
See how Roanoke County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.
Where to stay near Roanoke County
Top-rated places to stay near Roanoke 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 Roanoke County?
Get lake water-quality report cards plus the best cabin & lodging deals near Roanoke County — straight to your inbox. No spam, unsubscribe anytime.
Source: EPA National Aquatic Resource Surveys, 2026.