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Buckeye council approves agreement with APS to treat brackish groundwater
Summary
The City of Buckeye approved an agreement with Arizona Public Service and partners to send concentrated brine from reverse-osmosis (RO) treatment to nearby power plants, beginning a phased plan to manage high-TDS groundwater as the city grows.
The City of Buckeye City Council on March 4 approved item 4GS, an agreement with Arizona Public Service (APS) and partner utilities to treat and discharge brine produced from reverse-osmosis (RO) systems that will treat the city’s brackish groundwater.
City staff said the multi-party agreement is intended to streamline treatment and disposal of the concentrated brine stream that remains after RO removes salts from groundwater with high total dissolved solids (TDS). The presenter said the effort builds on studies dating to October 2021 and earlier pilot work and that parts of the project are already under way at the Red Hawk generating facility and would use Palo Verde’s downstream infrastructure.
The city’s…
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