Section En 604.03 - Pressure(a) Each water utility shall maintain normal operating pressures of not less than 20 pounds per square inch (psi) nor more than 125 psi at the service connection, subject to (b) below.(b) For new services connected after the effective date of these rules, each water utility shall maintain normal operating pressures of not less than 30 psi nor more than 100 psi at the service entrance to each building, measured with no water flow inside the building, unless the requirements of En 604.04(d) and (f), or (g) are met.(c) Water utilities shall make every reasonable effort to deliver normal system operating pressures within the 30 to 100 psi range to customer service locations connected prior to the effective date of these rules.N.H. Admin. Code § En 604.03
Derived from Number 15, Filed April 11, 2024, Proposed by #13911, Effective 3/21/2024, Expires 3/21/2034 (see Revision Note at chapter heading for En 600).