Legal Documents of Maryville

Code of Maryville

Table of Contents » Title 18 Water and Sewers » Chapter 3 Cross-Connections, Auxiliary Intakes, Etc. » § 18-305 Fire protection systems.
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18
Title 18
18-1
Title 18, Chapter 1
18-101
§ 18-101
Maryville
Title 18 : Water and Sewers
Chapter 3 : Cross-Connections, Auxiliary Intakes, Etc.

18-305 : Fire protection systems.

  1. An approved backflow prevention assembly shall be installed on each fire service line at the property line where possible. Alternatively, the approved backflow prevention assemblies shall be installed immediately inside the building served before the first branch line leading off the service line.
  2. Class 1, 2 and 3 fire protection systems shall require, at minimum, a double check valve assembly.
  3. Class 4, 5, and 6 fire protection systems shall require an air gap or a reduced pressure principle assembly as determined by the city.
  4. Where a fire sprinkler system is installed on the premises, a minimum of a double check valve assembly shall be required.
  5. Where a fire sprinkler system uses chemicals, such as liquid foam, to enhance fire suppression, a reduced pressure principle assembly shall be required.
  6. In any premises with an auxiliary water supply for fire protection, the city's public water system shall be protected by an air gap separation or a reduced pressure principle assembly.
  7. In the case of any premises where toxic substances are used for fire protection that could pose an undue health hazard, the city may require an air gap separation or reduced pressure principle assembly at the service connection to protect the city's public water system. (1999 Code, § 18-305)
Date Last Updated: 12/22/2025
Codification Date: 06/01/2024

Officials at Date of Last Codification:

Mayor - Andy White
Vice-Mayor - Fred Metz
Council Member - Sarah Herron
Council Member - Tommy Hunt
Council Member - Drew Miles
City Manager - Greg McClain
Assistant City Manager - Kevin Stoltenberg
City Recorder/Financial Services Director - Sherri Phillips
City Attorney - Melanie Davis 

Date Last Updated: 12/22/2025
Codification Date: 06/01/2024

Officials at Date of Last Codification:

Mayor - Andy White
Vice-Mayor - Fred Metz
Council Member - Sarah Herron
Council Member - Tommy Hunt
Council Member - Drew Miles
City Manager - Greg McClain
Assistant City Manager - Kevin Stoltenberg
City Recorder/Financial Services Director - Sherri Phillips
City Attorney - Melanie Davis