EPA: Arizona Gains Authority to Regulate Underground Injection Wells
September 14, 2025
September 14, 2025
WASHINGTON, Sept. 14 (TNSFR) -- The U.S. Environmental Protection Agency has granted Arizona primary enforcement responsibility, or primacy, for regulating all classes of underground injection wells under the Safe Drinking Water Act (SDWA).
Effective October 15, 2025, the Arizona Department of Environmental Quality (ADEQ) will oversee the state's Underground Injection Control (UIC) program, ensuring compliance with federal standards to protect groundwater sources. The EPA will . . .
Effective October 15, 2025, the Arizona Department of Environmental Quality (ADEQ) will oversee the state's Underground Injection Control (UIC) program, ensuring compliance with federal standards to protect groundwater sources. The EPA will . . .