Levees / By county / Walla Walla County, WA
Levee systems in Walla Walla County, WA
5 systems on the federal register here, with 12,822 people recorded behind them.
| System | Location | Accreditation | People | Length |
|---|---|---|---|---|
| Mill Creek 1 (Left Bank) | Walla Walla, Walla Walla County, Washington | Accredited | 9,700 | 4.88 miles |
| Mill Creek 2 (Right Bank) | Walla Walla, Walla Walla County, Washington | Accredited | 2,750 | 5.20 miles |
| Waitsburg 2 (Left Bank) | Waitsburg, Walla Walla County, Washington | Non-Accredited | 326 | 1.22 miles |
| Waitsburg 1 (Right Bank - Upper) | Waitsburg, Walla Walla County, Washington | Non-Accredited | 46 | 0.31 miles |
| Waitsburg 3 (Right Bank - Lower) | Waitsburg, Walla Walla County, Washington | Non-Accredited | 0 | 0.18 miles |
Source: USACE National Levee Database, refreshed 2026-09-10.