Engineering Unit

• The Ohio EPA no longer maintains a list of Approved Backflow Prevention Devices. Approved Backflow Prevention Devices are now approved by rule in accordance with Ohio Administrative Code Rule 3745-95-06(A) which refers to the appropriate third party approval standards, see 3745-95-06 - Backflow Prevention (Adobe PDF)
• Plan Review Procedures
• Engineering Technical Guidance and Policies
• Capacity Assurance Program Guidelines (Adobe PDF)
• Water Distribution System Detail Plans
  • Project Summary Sheets
     
• Guidelines for Design of Small Public Water Systems (Greenbook)
   

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