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Stormwater Construction Seminar

PAG's Stormwater Regulations Guidance for the Construction Industry

Managing stormwater flow on construction sites is required by state law to prevent erosion and transport of soils and contaminants. Controlling stormwater discharge is important to prevent harm to washes and fragile desert ecosystems in Arizona.

Stormwater management information and guidance is provided to the construction industry through Pima Association of Governments’ semi-annual Stormwater Construction Seminars as well as upcoming efforts with our partner jurisdictions to provide tail-gate trainings and demonstrations on site.
Professionals in private and public sectors, including planners, designers, engineers, outreach personnel, regulators and inspectors are welcome to attend the seminar. Seminar participants receive Flood Plain Manager Continuing Education credits. The seminar provides an opportunity for business to interface with all the local and state regulatory agencies to understand their individual permitting requirements. Post construction stabilization methods, including rainwater harvesting practices, are shared as well.  Resources provided by past seminars, including presentations, are available here.

Between seminars, you may contact one of your local MS4 contacts to request on site training. Contact information is available here.  Operators can learn what is required under the Arizona Pollutant Discharge Elimination program and see examples of best management practices (BMPs) to include in Stormwater Pollution Prevention Plans.

Highlights of the 2013 Seminar

Chris Henninger, Supervisor of the Stormwater and General Permits Unit at Arizona Department of Environmental Quality (ADEQ), presented the updated Arizona Pollutant Discharge Elimination System (AZPDES) 2013 Construction General Permit (CGP).  A panel of stormwater managers from the local jurisdictions within Pima County were available to answer questions.

Topics at the 2013 Seminar included: Stormwater discharges generated during construction activities can cause an array of physical, chemical and biological water quality impacts. The CGP authorizes stormwater discharges from construction-related activities where those discharges have a potential to enter surface waters of the United States or a storm drain system. Construction operators may continue to apply for stormwater permit coverage under the 2008 CGP, until the Department's approval and issuance of the 2013 CGP, effective June 3, 2013 (Updates:

Contact Info

Mead Mier
Pima Association of Governments
1 E. Broadway Blvd., Suite 401
Tucson, AZ 85701

Phone: (520) 792-1093
Fax: (520) 620-6981


©Pima Association of Governments | 1 E Broadway Blvd, Suite 401, Tucson, AZ 85701 | Telephone (520) 792-1093, FAX (520) 620-6981