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


Seasonal Info

New Customers

229 Marshall Rd Platte City, MO

Mon - Fri     8 a.m. - 5 p.m.

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816-858-2782


Get your Backflow device inspected now!

                                          2014 CCR.pdf

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