Public Water Supply District #4, Platte County, MO

Before you begin digging, fencing, or gardening, contact Missouri One Call.  They will have all your utility lines marked so you avoid digging into them!

Welcome to PWSD #4.  Customers moving into our service area are all required to complete a service contract and pay a $100 deposit.

All underground sprinkler systems and swimming pools that have their own connections to water lines have back flow protection devices.  These devices must be inspected annually each spring by a certified inspector and their paperwork due to us by May 31st.

Backflow Inspections due May 31st.  Water will be disconnected if paperwork is not received.

Seasonal Info

New Customers

229 Marshall Rd Platte City, MO

Mon - Fri     8 a.m. - 5 p.m.



New water rates: $12 service fee that includes 1,000 gallons of water and then $6.38 for each additional 1,000 gallons used.  This new rate will be reflected on your June bill. New rate chart

                    View the latest Water Quality Report

The hardness of your water is 107 ppm.  The grains are 6.26.     Learn more about your water from our Consumer confidence Report.