![]() However, in a mandatory adequacy jurisdiction, adequacy of water supplies must be demonstrated prior to plat approval and issuance of a public report. It ensures the water adequacy or inadequacy is disclosed in the public report provided to potential first purchasers.Īny water supply limitations must be described in promotions or advertising. The Adequate Water Supply Program operates outside the AMAs. It is designed to sustain the state’s economic health by preserving groundwater and promoting long-term water supply planning.ĪMAs are those areas where significant groundwater depletion has occurred historically and include portions of Maricopa, Pinal, Pima, Santa Cruz and Yavapai counties. The Assured Water Supply Program operates within the state’s five Active Management Areas. These certificates must be renewed every 10 years. ![]() ![]() There are two separate programs - one for those tying into an already-managed water zone and another for those outside those zones, often in rural or edge-of-city areas.īoth the Assured and Adequate Water Supply programs evaluate the availability of a 100-year water supply using formulas that consider current and committed demand, as well as growth projections. The Arizona Department of Water Resources Assured and Adequate Water Supply programs were created to address the problem of limited groundwater supplies in the state. Per state rules, developers can tie into municipal systems for master-planned communities and individual subdivisions but must show a certificate of assured 100-year supplies in order to gain site plan approval. Much of the Valley’s water future depends, Porter said, on how the Arizona Legislature, the Central Arizona Groundwater Replenishment District and local governments decide to handle shortages and how to regulate the use of groundwater. “Some have a really diversified approach.” “Every city in the Valley seems to have separate challenges, and has a slightly different portfolio on where its water comes from,” Porter said. Sarah Porter, director of the Kyl Center for Water Policy at Arizona State University, points out that each community in the Valley has a slightly different approach to how it gets water. With federal restrictions recently imposed cutting the amount of Colorado River water that Arizona can use, that will likely turn up the pressure on groundwater supplies and the developments dependent on them. Mail | Twitter: its groundwater or river water in danger of running dry first, the biggest potential impact from Arizona’s continuing water issues is it will stall growth.ĭevelopers in Arizona, whose land is not connected to a designated municipal water system, must furnish certificates to show a 100 years of assured water supply, sufficient for the number of homes or types of businesses planned.
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