Washington County Lake Quality
Georgia, 1 lakes, average grade A (Excellent)
Only 1 lakes in Washington 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, Washington County lakes grade an A. That puts it near the top of the {{stateName}} county ranking.
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 (A); the most-stressed is Nla Lake (A).
Quick Answers for Washington County
Planning a trip? Check special fishing regulations for Nla Lake — or check the official Georgia fishing regulations.
All Lakes in Washington County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Nla Lake | A | 15.1 ft | 7.3 µg/L |
Other Counties in Georgia
See how Washington County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 36 states.
Where to stay near Washington County
Top-rated places to stay near Washington 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 Washington County?
Get lake water-quality report cards plus the best cabin & lodging deals near Washington County — straight to your inbox. No spam, unsubscribe anytime.
Source: EPA National Aquatic Resource Surveys, 2026.