Consumer Confidence Report – Jan – Dec 2025
Water Treatment Plant Address
118 Smith Rd.
Hillsboro, IL 62049
Overview
The City of Hillsboro constructed their first water filtration plant in 1926. The Hillsboro Water Department is staffed 24 hours a day 365 days a year. The treatment plant is a surface supply plant which has a capacity of approximately 2.5 million gallons a day. The Water Department can be contacted Monday through Friday at (217) 532-5566.
Staff
The Project Manager is Greg Frieden who has a Class A water operator’s license. The plant is also staffed with 4 other operators:
| Greg Frieden | Project Manager |
| Jason Black | Class A Operator |
| Lucas Mihalic | Class A Operator |
| Mike Renfro | Class A Operator |
| Bob Wall | Class A Operator |
Water Supply
Water is taken from a combination of two lakes; Lake Glenn Shoals and Old Hillsboro Lake. The water plant also provides for the following areas:
- Coffeen
- Graham Correctional Institution
- The Montgomery County Rural Water District
- Schram City
- Taylor Springs
Water Treatment & Storage
Water is treated with:
- Ammonia to control disinfection byproducts
- Chlorine for disinfection
- Coagulants for sedimentation removal
- Fluoride for healthy teeth
It is then stored in a 500,000 gallon underground storage area to be pumped to customers and to the 1 million gallon storage water tower.
