Overview
- The decree was published in the Diario Oficial de la Federación, putting the law into force on December 12, 2025.
- Water utilities may no longer fully cut off potable water or sanitation for nonpayment and must provide a minimum supply for basic human needs.
- The law mandates a National Water Strategy with targets at 10, 20, 40 and 70 years, subject to decennial reviews by Conagua, Semarnat and the IMTA.
- It reforms the prior legal framework by redistributing responsibilities among federal, state and municipal authorities and by creating mechanisms for public participation.
- New rules restrict transfers and govern reassignment of water rights with priority for human consumption, food security and national development, backed by penalties of up to 14 years for illegal transfers and a Conagua program to curb hoarding.