Levees / By county / Sullivan County, IN
Levee systems in Sullivan County, IN
3 systems on the federal register here, with 321 people recorded behind them.
| System | Location | Accreditation | People | Length |
|---|---|---|---|---|
| Mason J. Niblack Levee System | Oaktown, Knox County, Indiana | Non-Accredited | 182 | 17.8 miles |
| Gill Township Levee System | Sullivan County, Indiana | Accredited | 131 | 11.1 miles |
| Island Levee System | Sullivan County, Indiana | Non-Accredited | 8 | 11.7 miles |
Source: USACE National Levee Database, refreshed 2026-09-10.