Oklahoma Administrative Code
Title 252 - Department of Environmental Quality
Chapter 626 - Public Water Supply Construction Standards
Subchapter 19 - Distribution System
Section 252:626-19-4 - Water main design for systems providing domestic water only
Universal Citation: OK Admin Code 252:626-19-4
Current through Vol. 41, No. 13, March 15, 2024
This section applies only to water systems without full fire protection capabilities.
(1) Sizing of mains. Size all water mains after a hydraulic analysis based on flow demand of not less than 1 gal/min per service connection. The minimum size of water mains is 2 inches in diameter.
(2) Hydrants. Fire hydrants with pumper outlets shall not be connected to water systems or mains unless the system is designed to carry fire-flows.
(3) Valves. Locate valves at not more than 1 mile intervals and at all branch lines from the main line.
Added at 18 Ok Reg 1612, eff 6-1-01; Amended at 25 Ok Reg 2304, eff 7-11-08
Disclaimer: These regulations may not be the most recent version. Oklahoma may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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