Public Water Supply District #4, Platte County, MO

  • Our office will be closed for the upcoming Holiday: Thanksgiving Thursday and Friday, the 27th and 28th.  

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

816-858-2782

229 Marshall Rd.  Platte City, MO

8:00 a.m. - 5:00 p.m. M - F