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Regional water reuse pipeline: district briefs Hurricane council on non‑potable and future potable reuse plan
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Summary
A regional water‑reuse pipeline proposed by the county water district would move reclaimed water through Hurricane for non‑potable uses immediately and, eventually, support indirect potable reuse; the district is in NEPA review and plans phased design and construction.
Trinity (Speaker 17), representing the regional water district, gave the council a technical briefing on a multi‑phase regional reuse pipeline designed to maximize reclaimed water for outdoor irrigation, agricultural exchanges and, in the long term, indirect potable reuse.
Trinity described a two‑phase approach: a near‑term non‑potable system that would serve golf courses, agriculture and river exchanges, and a longer‑term program to further treat reuse water (Type 1 reuse advanced to potable standards) for indirect potable supply. "Any water that goes in there is is safe, and it's cleaner than the river," Trinity said in response to a council question about contaminants and treatment safeguards.
He outlined routing and engineering work: earlier studies analyzed alignments for a 48‑inch pipe but the team believes a 36‑inch pipe may suffice; the preferred alignment would take reclaimed water from the Ash Creek lagoons, cross the Virgin River and I‑15 corridors, follow SR‑7 and ultimately provide supply up the Quail Creek pipeline. The district is conducting NEPA permitting and plans to stagger engineering submittals and construction segments to avoid overwhelming staff review capacity.
Council members asked about safeguards and contingencies. Trinity explained that the Confluence Park reuse pump station and other facilities include sensors and interlocks that prevent flows to users if a malfunction is detected; he said malfunctions are slow to develop and monitoring systems allow operators to stop unintended flows before they reach customers.
The council heard that some Confluence Park discharges will still go to the river during early operation, with longer‑term storage and further treatment planned as the broader regional system comes online. Trinity encouraged council members to direct technical questions to his office as the NEPA comment period continues.