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  1. LII
  2. State Regulations
  3. Arizona Administrative Code
  4. Title 18 - ENVIRONMENTAL QUALITY
  5. Chapter 4 - DEPARTMENT OF ENVIRONMENTAL QUALITY - SAFE DRINKING WATER

Chapter 4 - DEPARTMENT OF ENVIRONMENTAL QUALITY - SAFE DRINKING WATER

  • State Regulations
  • Compare
  1. Article 1 - PRIMARY DRINKING WATER REGULATIONS (§ R18-4-101 to R18-4-126)
  2. Article 2 - STATE DRINKING WATER REGULATIONS (§ R18-4-201 to R18-4-290)
  3. Article 3 - MONITORING ASSISTANCE PROGRAM (§ R18-4-301 to R18-4-317)
  4. Article 4 - OTHER SAFE DRINKING WATER ACT REGULATIONS (§ R18-4-401 to R18-4-405)
  5. Article 5 - RECODIFIED (§ R18-4-501 to R18-4-509)
  6. Article 6 - CAPACITY DEVELOPING REQUIREMENTS FOR A NEW PUBLIC DRINKING WATER SYSTEM (§ R18-4-601 to R18-4-607)
  7. Article 7 - REPEALED (§ R18-4-701 to R18-4-710)
  8. Article 8 - TECHNICAL ASSISTANCE (§ R18-4-801 to R18-4-804)

State regulations are updated quarterly; we currently have two versions available. Below is a comparison between our most recent version and the prior quarterly release. More comparison features will be added as we have more versions to compare.


  1. Article 1 - PRIMARY DRINKING WATER STANDARDS (§ R18-4-101 to R18-4-126)
  2. Article 2 - STATE DRINKING WATER REGULATIONS (§ R18-4-201 to R18-4-290)
  3. Article 3 - MONITORING ASSISTANCE PROGRAM (§ R18-4-301 to R18-4-317)
  4. Article 4 - OTHER SAFE DRINKING WATER ACT REGULATIONS (§ R18-4-401 to R18-4-405)
  5. Article 5 - RECODIFIED (§ R18-4-501 to R18-4-509)
  6. Article 6 - CAPACITY DEVELOPMENT REQUIREMENTS FOR A NEW PUBLIC DRINKING WATER SYSTEM (§ R18-4-601 to R18-4-607)
  7. Article 7 - REPEALED (§ R18-4-701 to R18-4-710)
  8. Article 8 - TECHNICAL ASSISTANCE (§ R18-4-801 to R18-4-804)

State Regulations Toolbox



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