Welcome to the Official Website of Public Water Supply District 1 of Jefferson County

Our Mission

At Public Water Supply District 1 of Jefferson County, we are committed to providing safe, high quality water services to our community, while maintaining a standard of excellence in customer service and environmental conservation.

Bill Payment Options

Looking for the most convenient way to pay your bill? We offer a wide variety of payment options to our customers. Simply choose the option that best suits your needs... Learn more...

Conservation Tips

There are a number of easy ways to save water, and they all start with you. When you save water, you save money on your utility bills. Here are just a few ways... Learn more...

Recent News View All »

Request for Qualifications

May 03, 2023

PWSD No. 1 of Jefferson County is soliciting professional architectural/engineering qualifications for space planning, design, and construction services of (1) a new maintenance building and (2) preliminary cost and eventual design and construction for renovation of existing office building vs. new office building. All submissions must be received by 4:30 p.m. CST, June 1, 2023.  No faxed, emailed, or late proposals will be accepted. A total of 3 hard copies and 1 electronic PDF file version shall be submitted in a sealed envelope to:

PWSD #1 of Jefferson County

2970 Schneider Dr

P.O. Box 646

Arnold, MO  63010


RFQ document with specifications is available here or by emailing Erin...

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Grab Your Water Bottle! It's National Hydration Month

Grab Your Water Bottle! It's National Hydration Month

June 01, 2023

Did you know that June is National Hydration Month? Well, we know its hot outside, but proper hydration is critical no matter the weather! 

We understand that keeping the fluids flowing isn’t always top of mind. Proper hydration is vital to healthy living, and improper hydration can and will lead to major health risks. The biggest risk of improper hydration is declining cognitive function.

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