Oklahoma Administrative Code
Title 165 - Corporation Commission
Chapter 65 - Water Service Utilities
Subchapter 5 - Water Quality, Testing, and Pressure
Section 165:65-5-4 - Station meters and pressure gauges

(a) Station meters. The utility shall install station meters and instruments necessary to keep a daily and monthly record of the total amounts of water delivered into the mains.

(b) Pressure gauges. Each utility shall provide itself with one (1) or more pressure gauges for making pressure surveys as required by this Chapter. These gauges shall be suitable to record the pressure experienced on the utility's system and shall be able to record at least a twenty-four (24) hour continuous test. One recording pressure gauge shall be maintained in continuous service at some representative point on the utility's mains.

(c) Pressure surveys. Each utility required to have recording pressure gauges shall make frequent records during periods of maximum use, each covering intervals of at least twenty-four (24) hours duration of the water pressure at various points on the system. All records or charge made by these meters shall be identified, dated, and kept on file and available for inspection for at least two (2) years.