The area being advised to do so are customers who live south of Ralston Road to Windsor Road and west of Alpine to the Rock River.
Residents are asked to:
- Allow water to run in a sink or tub with a flow that's at least the diameter of a pencil for 24 hours, 7 days per week until otherwise notified.
- Open cabinet doors unders sinks and to other piping to allow heat to circulate around pipes.
- Insulate or warm pipes in unheated basements or crawl spaces.
Anyone with questions can call the utility at (815) 633-5461.
Officials also note that anyone with concerns about freezing pipes can follow the guidelines above.