ADEQ – Surface Water Protection – Waters of The U.S.

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As you are likely aware, a District Judge in Arizona issued an order to vacate and remand the Navigable Waters Protection Rule (NWPR) on Monday, Aug. 30, 2021 | Click here to view the order

The order has the effect, and the Environmental Protection Agency has confirmed, of setting Clean Water Act regulations in Arizona to those in place before the effective date of the NWPR. ADEQ will continue to follow applicable federal and state laws in its administration of the Arizona Pollutant Discharge Elimination System (AZPDES) Program.

In order to inform permittees and other stakeholders on how ADEQ will be regulating under the current federal rule, ADEQ is hosting the following virtual informational webinar:

Date: Sept. 29, 2021
Time: 2 p.m.
Location: Online via GoToWebinar | Click here to register

After registering, you will receive a confirmation email containing information about joining the webinar.

During this webinar, ADEQ will also share the first technical white paper associated with our upcoming rulemaking on our new State Surface Water Protection Program. This paper discusses the Protected Surface Waters List and identifies the feedback ADEQ is seeking from stakeholders. When available, the white paper will also be posted on our website with instructions on how to submit comments online.

Thank you for taking the time to help us protect surface water in Arizona! ADEQ welcomes your participation and input.

Learn more at

Contact Program Manager David Lelsz, Ph.D., at or 602-771-4651
About ADEQ
Under the Environmental Quality Act of 1986, the Arizona State Legislature established the Arizona Department of Environmental Quality in 1987 as the state agency for protecting and enhancing public health and the environment of Arizona. For more information, visit

ADEQ will take reasonable measures to provide access to department services to individuals with limited ability to speak, write or understand English and/or to those with disabilities. Requests for language translation, ASL interpretation, CART captioning services or disability accommodations must be made at least 48 hours in advance by contacting the Title VI Nondiscrimination Coordinator, Leonard Drago, at 602-771-2288 or For a TTY or other device, Telecommunications Relay Services are available by calling 711.

ADEQ tomará las medidas razonables para proveer acceso a los servicios del departamento a personas con capacidad limitada para hablar, escribir o entender inglés y/o para personas con discapacidades. Las solicitudes de servicios de traducción  de idiomas, interpretación ASL (lengua de signos americano), subtitulado de CART, o adaptaciones por discapacidad deben realizarse con al menos 48 horas de anticipación comunicándose con el Coordinador de Anti-Discriminación del Título VI, Leonard Drago, al 602-771-2288 o Para un TTY u otro dispositivo, los servicios de retransmisión de telecomunicaciones están disponible llamando al 711. 

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