.02 Pressure Limits.

A. Allowable Pressures. Under normal conditions of use of water, the pressure at a customer's service connection shall be:

(1) Not less than 25 psig; and

(2) Not more than 125 psig.

B. Exceptions to Pressure Requirements. Pressure outside the limits specified will not be considered a violation when the variations:

(1) Arise from the action of the elements;

(2) Are infrequent fluctuations not exceeding 5 minutes' duration;

(3) Arise from service interruptions;

(4) Are from causes beyond the control of the utility; or

(5) Arise from variations in service elevations which are local and which can be controlled in a satisfactory manner.