Water service in County may be provided by the county water authority, individual municipal water departments, or rural water districts, depending on where a property is located. There are 4 Water Departments locations in County, Illinois.

Property owners in County who are connecting a new building to public water or requesting a new meter installation should contact the applicable water department well in advance, as permit review, inspection scheduling, and tap fee collection may take several weeks before service can begin.

List of La Salle County, Illinois Water Departments

La Salle Water Department

View Details Call Now (815) 223-6978

La Salle Water Department

Address
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Hours

Ottawa Water Department

View Details Call Now (815) 434-0158

Ottawa Water Department

Address
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Hours

Mendota Water Department

View Details Call Now (815) 539-6307

Mendota Water Department

Address
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Hours

Peru Water Department

View Details Call Now (815) 223-8615

Peru Water Department

Address
Get Direction
Hours

Residents of County who rely on private wells rather than a public water system should contact the county health department for information about voluntary testing programs. The county water department can advise on whether extending public water service to a private-well property is feasible in your area.

You may also find Water Departments locations in neighboring counties including Livingston, Grundy, La Salle.