35 Ill. Adm. Code 374.103
System Pressure Maintenance
Section 374
Section 374.103 System
Pressure Maintenance
The owner or operator of a
pressure sewer system shall provide a method of inspection or authorization to
assure that users of the system maintain the original design operating
pressures of the system when repairing, modifying or replacing any of the pumping
equipment on the user's premises.