watershed health; survey; use
SB 1386 would add “watershed health uses” as a recognized water-use category under Arizona water law and direct the Department of Water Resources to study and report on watershed health statewide. The bill defines watershed health uses as water conserved in a natural watercourse and not otherwise used, where that water supports watershed health attributes identified in a future report. It also amends the director’s duties to require a recurring watershed-health assessment, alongside existing water supply and demand reporting.
The bill requires the director to establish science-based measures for “ecological water needs” and, by December 31, 2026, publish a preliminary survey of the state’s waters. That survey must describe watershed conditions, identify subwatersheds lacking sufficient water to meet ecological needs, recommend steps to monitor and restore ecosystems, and suggest statutory changes. The bill also creates public notice-and-comment procedures for the survey and requires the final survey to remain posted online for at least six months. This survey section is temporary and repeals on September 30, 2028.
SB 1386 would also expand the list of permitted appropriative uses of unappropriated water to include watershed health uses, and it would allow water rights to be transferred for municipal, watershed health, stock watering, power, and mining purposes, subject to existing approval and consent requirements. It further exempts watershed health-use applications from the existing instream-flow application requirement that applicants submit five years of streamflow measurement data. In effect, the bill creates a new legal pathway for protecting or dedicating water to watershed conditions while preserving the state’s existing prior-appropriation framework.
The overall sentiment reflected by the bill text is environmentally protective and planning-oriented, with an emphasis on using best available science to assess watershed conditions and ecological water needs. Because no committee transcripts or votes are provided, there is no recorded public debate in the supplied materials, and the bill’s reception cannot be assessed from hearings or roll calls. The structure of the bill suggests an attempt to balance conservation goals with existing water-rights administration rather than to overhaul water law broadly.
The main points of potential contention are likely to be the creation of a new water-use category, the possibility that watershed health uses could affect existing water allocations, and the scope of the director’s new reporting and survey obligations. Irrigation districts, water users’ associations, and other holders of existing rights may be concerned about transfer and appropriation effects, while environmental and watershed advocates would likely support the bill’s emphasis on ecological water needs, riparian areas, and watershed restoration. The temporary survey mandate and the requirement for agencies to cooperate may also raise administrative and implementation concerns.
SB 1386 would amend Arizona Revised Statutes Title 45 by adding a new definition of “watershed health uses,” expanding permitted appropriations to include that use, and allowing transfers of water rights for watershed health purposes. It would also modify the Arizona Department of Water Resources’ duties to require periodic watershed-health assessments and a one-time statewide survey of ecological water needs, with public comment procedures and a delayed repeal of the survey section in 2028. The bill would affect water-rights applicants, the Department of Water Resources, irrigation districts, agricultural improvement districts, water users’ associations, and other entities involved in water allocation and transfer decisions.
Based on the bill language alone, the measure appears generally supportive of watershed conservation, ecological monitoring, and science-based water planning. No committee transcripts or votes were provided, so there is no documented legislative debate or recorded support/opposition in the supplied materials. The bill’s design suggests an effort to integrate environmental objectives into existing water law without eliminating current approval and consent protections for existing water users.
Likely areas of contention include whether “watershed health uses” could compete with municipal, agricultural, or industrial demands; whether the new category could alter water-right priorities or transfer patterns; and whether the Department of Water Resources should be given additional survey and reporting duties. Irrigation districts and water users’ associations may be especially attentive to the bill’s transfer provisions and consent requirements, while environmental stakeholders are likely to favor the bill’s ecological water needs framework and watershed restoration planning.