Hannibal Observation Well

Well Owner: Northeast Missouri Power Corp.

Location: NW 1/4 NE 1/4 Sec. 10, T. 58 N., R. 5 W

Marion County

Period of record: May 1957 to present

Land surface elevation: 484 feet, msl

Date installed: May 28, 1957

Date drilled: May 22, 1957

Well log number: 16,183

Water level when drilled: 22.3 feet

Total depth: 85 feet

Casing depth: 81 feet

Screen length: 4 feet

Producing aquifer: Mississippi River Alluvial Aquifer

Formations open to production: Quaternary alluvium