Levees / By county / Columbia County, OR
Levee systems in Columbia County, OR
19 systems on the federal register here, with 1,869 people recorded behind them.
| System | Location | Accreditation | People | Length |
|---|---|---|---|---|
| Sauvie Island Drainage District | Multnomah County, Oregon | Accredited | 724 | 17.8 miles |
| Scappoose | Scappoose, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 209 | 10.7 miles |
| Rainier Drainage District | Rainier, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 208 | 4.99 miles |
| Beaver Drainage District | Clatskanie, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 148 | 11.5 miles |
| Clatsop 15 | Westport, Clatsop County, Oregon | Non-Accredited | 113 | 1.57 miles |
| Midland | Clatskanie, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 94 | 6.77 miles |
| Webb-Westland-Woodson Drainage Districts | Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 67 | 10.1 miles |
| Woodson - Kelli Slough Levee | Columbia County, Oregon | Accredited | 62 | 1.61 miles |
| Magruder | Clatskanie, Columbia County, Oregon | Non-Accredited | 52 | 3.55 miles |
| John Drainage District | Clatskanie, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 51 | 0.91 miles |
| Columbia County Drainage District No. 1 | Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 50 | 9.25 miles |
| Marshland | Columbia County, Oregon | Non-Accredited | 37 | 4.76 miles |
| Tank Creek | Clatskanie, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 16 | Not published |
| Deer Island | Deer Island, Columbia County, Oregon | Non-Accredited | 14 | 9.07 miles |
| Bradbury Slough Area | Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 8 | 1.43 miles |
| Clatskanie Drainage Improvement Co. | Clatskanie, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 8 | 2.92 miles |
| Tank Creek South Levee | Clatskanie, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 5 | 0.91 miles |
| Webb - Borrow Pit Levee | Columbia County, Oregon | Accredited | 3 | 0.84 miles |
| Kerry Island Area | Westport, Columbia County, Oregon | Provisionally Accredited Levee (PAL) System | 0 | 1.93 miles |
Source: USACE National Levee Database, refreshed 2026-09-10.