At Public Water Supply District 10 Jefferson County, our committment is to provide the community with superior service. Please feel free to send us an email using the contact form below or give us a call during office hours, Monday – Friday 8:00am to 4:30pm, at (636) 467-6868. 

After Hours for an Emergency only to report a main break or service line leaking into your home call 314-729-2859. All other callers can reach us during normal business hours of 8am – 4:30pm Monday through Friday.

Holiday Hours

The office of Public Water Supply District No. 10 of Jefferson County is closed for business on the following days.  The Friday preceding or the Monday following a holiday may be in observance of the holiday:
    • New Year’s Eve
    • New Year’s Day
    • President’s Day
    • Good Friday
    • Memorial Day
    • Juneteenth
    • Independence Day
    • Labor Day
    • Columbus Day
    • Veterans Day
    • Thanksgiving Day & Friday after Thanksgiving
    • Christmas Eve
    • Christmas Day

Contact Form

Contact Info

4215 Jeffco Blvd, Arnold, MO 63010

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Hours: Mon - Friday 8am to 4:30pm