City of Gladstone: backflow testing rules
Serves Gladstone, MO. Every point below comes from City of Gladstone's own pages, linked; check your notice for your own deadline.
Who must test
- The city's Working Together for Safe Water brochure says backflow preventers must be tested at least once each year and dismantled, inspected and cleaned every five years. Source.
Notices and deadlines
- Reduced pressure and double check assemblies must be tested each year by a certified tester no later than 30 days past the anniversary date set by the City of Gladstone. Source.
How the report is filed
- Certified testers must report results to the City of Gladstone and the customer, with a signed report, within 30 days of the test. Source.
Tester registration
- A certified tester is a person who passed a written and hands-on exam, including Missouri rule questions, from the ABPA Tester Certification Program or ASSE. Source.
If a test is missed
- If annual reports are not received within 60 days after the anniversary date, the city notifies the customer and the Missouri DNR. Source.
- A person who violates the chapter or ignores an order can have the water meter removed or the service line severed. Source.
Program
- Gladstone's cross connection rules are Title IX, Chapter 300 Cross Connection Control Regulations; the posted copy is a 2020 underline and strikethrough amendment version, so wording should be confirmed against the adopted code. Source.
Read October 6, 2026. Program page: gladstone.mo.us.