Levees / By county / Calhoun County, IL
Levee systems in Calhoun County, IL
2 systems on the federal register here, with 314 people recorded behind them.
| System | Location | Accreditation | People | Length |
|---|---|---|---|---|
| Sny Island LDD - Reach 3 | Pike County, Illinois | Provisionally Accredited Levee (PAL) System | 302 | 35.0 miles |
| Sny Island LDD - Reach 4 | Calhoun County, Illinois | Provisionally Accredited Levee (PAL) System | 12 | 14.5 miles |
Source: USACE National Levee Database, refreshed 2026-09-10.