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Active Rulemaking

Minimum Design Criteria for Public Water Systems and Related Infrastructure

Revised On: Apr. 20th, 2026 - 12:17 pm

Summary:

ADEQ intends to update its public water system design and application process rules in 18 A.A.C. 5, Article 5, Minimum Design Criteria for Public Water Systems. 

  • Article 5: Minimum Design Criteria for Public Water Systems | View Article 5 >

ADEQ's rules for public water system Minimum Design also include Engineering Bulletins 8 and 10 via incorporation by reference in A.A.C. R18-5-502:

  • Engineering Bulletin 8 — Disinfection of Water Systems | View Bulletin 8 >
  • Engineering Bulletin 10 — Guidelines for the Construction of Water Systems | View Bulletin 10 >

The Minimum Design Criteria Guidelines (Engineering Bulletin 10) and rules for public water systems and related infrastructure in Article 5 currently reflect engineering standards and practices from 1978. The rules and incorporated technical requirements will be updated to reflect current industry standards and practices. 

Documents:

Notice of Docket Opening | View NDO >

Additional Information:

  • For more rulemaking documents, meetings, opportunities to provide input, and other resources, visit the rulemaking resources page | Visit Page >
  • Rules Survey — Take the rule survey to provide input on these rules and technical documents | Take Survey >