The City of Monticello Water, a public community water system under the City Department of Public Works, provides water to about 5,250 residents living in Monticello, the county seat of Piatt County, Illinois. Founded in the late 1800s, the City of Monticello Water collects water from groundwater sources through four wells that drill into the Mahomet River Valley aquifer underneath the area. The system's oldest well, drilled in 1915, is still active. Furthermore, raw water from these wells is treated at the Monticello Water Plant, which has a 1-million-gallon capacity per day. 

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Monticello Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Monticello Water Department to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way. You can find CCR report on the Monticello Water Department website.

Contact Monticello Water Department Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
City Of Monticello
210 North Hamilton Street
Monticello, Illinois 61856

phone
Mah@Cityofmonticello.Net

Emergency (24 hours - broken water main or pipeline, etc.)
217-762-2583

Pay Your Monticello Water Department Bill

Already have an account?

If you already have an account, you just need to login to the Monticello Water Department site. Monticello Water Department accepts credit cards, debit, and direct deposit. Click here to login.

How to Start Monticello Water Service

Starting Your Service

When you move to a new home in Monticello, you'll most likely already have running water, but you'll still need to set up water service with the Monticello Water Department. Luckily, Monticello has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Monticello, you'll need to stop your water service with the Monticello Water Department, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.

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