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County discusses graywater, composting toilets and vault-and-haul costs; seeks household water-use data for pilot
Summary
Coconino County staff described state rules on graywater and composting toilets, warned that vault-and-haul is a costly last-resort option, and asked Valley residents to complete a short anonymous survey to inform a potential EPA-supported pilot for affordable on-site systems.
Coconino County environmental quality specialist Zachary Burf and county staff described alternative on-site sanitation options and a county effort to explore lower-cost systems for the Valley area. Burf said graywater reuse is allowed in Arizona under 13 listed regulations and that the county's primary requirements include keeping graywater on the property, using it only for irrigation of non-edible plants (with limited exceptions for fruit trees), and providing a diversion back into the wastewater system during non-watering months. "Graywater is…
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