US lawLouisianaRegulationsTitle 51 — Public Health―SaniTary CodePart XII — Water SuppliesChapter 2 — Public Water System Construction, Operation and MaintenanceSubchapter D239LAC 51:XII.239LAC 51:XII.239. ValvesLast amended: 2018Year: 2026Length: 31 wordsOfficial source Cite as La. Admin. Code tit. 51, pt. XII, § 239A. Valve spacing shall not exceed one mile except for transmission mains 24 inches or larger. B. Valve spacing shall not exceed five miles for transmission mains 24 inches or larger.PreviousLAC 51:XII.237NextLAC 51:XII.241