PFAS RegulationsState, federal and global register
Verified September 28, 2026

State PFAS law

Arizona PFAS Laws

Arizona has restricted training and testing use of PFAS firefighting foam since 2020. A 2026 amendment bans any discharge or use from January 1, 2029 unless federal regulation requires it and drops the emergency and containment exceptions; public airports have until the end of 2030.

Verified September 28, 20261 law tracked2 provisions

Requirements by product

ProductRequirementEffectiveStatusSource
Firefighting foamUse limitA person, local government or state agency may not use Class B firefighting foam with intentionally added PFAS for training unless law or federal regulation requires it, or for testing unless it is required or the testing facility has containment, treatment and disposal measures.Emergency firefighting and fire prevention operations are exempt until the 2026 amendment takes effect.January 1, 2020In forceA.R.S. 36-1696 (2019 enactment)
Firefighting foamUse limitFrom and after December 31, 2028, no person, local government or state agency may discharge or use Class B firefighting foam with intentionally added PFAS for any purpose unless federal regulation requires it. The amendment removes the testing containment and emergency-use exceptions.Public airports need not comply until after December 31, 2030.January 1, 2029ScheduledA.R.S. 36-1696, as amended by Laws 2026, ch. 103 (HB 2641)

The laws

Arizona

AFFF Discharge and Use Restriction

Citation
Ariz. Rev. Stat. Ann. § 36-1696
Enacted by
SB 1526 (2019, Ch. 222), amended by HB 2641 (2026, Ch. 103)
Enacted or adopted
May 13, 2019
Last amended
June 4, 2026
Status
Partly in force
Source
https://www.azleg.gov/viewdocument/?docName=https%3A%2F%2Fwww.azleg.gov%2Fars%2F36%2F01696.htm

How it defines PFAS

perfluoroalkyl and polyfluoroalkyl substances that are a class of fluorinated organic chemicals containing at least one fully fluorinated carbon atom

Intentionally added

intentionally added PFAS chemicals

Exemptions

  • Emergency firefighting and fire prevention operations
  • Testing facilities with containment, treatment and disposal measures
  • Public airports until 2030-12-31

Timeline

  • May 13, 2019 Enacted
    SB 1526 signed, creating the AFFF training/testing use restriction. Source
  • January 1, 2020 Took effect
    AFFF training/testing use restriction takes effect. Source
  • June 4, 2026 Amended
    HB 2641 (Chapter 103) signed, broadening the AFFF restriction to a general use prohibition. Source

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