US lawIllinoisRegulationsTitle 35 — ENVIRONMENTAL PROTECTIONCHAPTER II: ENVIRONMENTAL PROTECTION AGENCYPart 374 — DESIGN CRITERIA OF PRESSURE SEWER SYSTEMSSubpart B374.20235 Ill. Adm. Code 374.202Minimum SizeYear: 2026Length: 19 wordsOfficial source Section 374 Section 374.202 Minimum Size The grinder pump "wet well" should have a minimum size of 150 gallons.Previous35 Ill. Adm. Code 374.201Next35 Ill. Adm. Code 374.203