US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER II: ENVIRONMENTAL PROTECTION AGENCYPart 374 — DESIGN CRITERIA OF PRESSURE SEWER SYSTEMSSubpart B374.20635 Ill. Adm. Code 374.206Pump VaultsYear: 2026Length: 15 wordsOfficial source Section 374 Section 374.206 Pump Vaults All pump vaults shall be equipped with locking covers.Previous35 Ill. Adm. Code 374.205Next35 Ill. Adm. Code 374.207