US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER II: ENVIRONMENTAL PROTECTION AGENCYPart 374 — DESIGN CRITERIA OF PRESSURE SEWER SYSTEMSSubpart B374.20335 Ill. Adm. Code 374.203ValvesYear: 2026Length: 25 wordsOfficial source Section 374 Section 374.203 Valves Valve arrangements and connection shall be made so as to allow quick removal and replacement of equipment for maintenance purposes.Previous35 Ill. Adm. Code 374.202Next35 Ill. Adm. Code 374.204