Stormwater - Construction

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Do I need an Arizona Pollutant Discharge Elimination System (AZPDES) Permit?

As of 2003, a Construction General Permit is required for both small and large construction activities.

  • Does your project disturb one or more acres of land?
  • Does your project disturb less than one acre at this time but is part of a larger common plan of development that will later disturb more acreage through grading, clearing, excavating, or stockpiling of fill materials?
  • Is there any possibility that your construction site may have stormwater runoff?

If the answer is “YES” to any of these questions you are required to apply for a permit.

According to the Arizona Department of Environmental Quality (ADEQ) the Operator is required to obtain an AZPDES General Permit for construction activity discharges if the activities of the site will disturb one acre or more; or disturbs less than one acre but is a part of a larger development.

A Stormwater Pollution Prevention Plan (SWPPP) must be developed and implemented according to the terms of the AZPDES General Permit.  The plan, if properly implemented, is designed to reduce the amount of construction site contaminates that may enter into the washes when construction occurs and land surfaces are disturbed.

The Notice of Intent must be posted in a publicly visible location at the construction site.

Further information about the Construction General Permit are available at the following links:

 

Information
Construction Fact Sheet (126 KB)
Construction Guidance from the U.S. Environmental Protection Agency website

 

Forms
Construction General Permit (158 KB)
Construction Notice of Intent (NOI) (393 KB)

AZPDES Construction SWPPP Checklist (25 KB)

Construction Permit Waiver Certification (161 KB)

Low Rainfall Erosivity Waiver
Isoerodent Map (1.2 MB)

Construction Notice of Termination (NOT) (210 KB)

 

Quick Contacts/Sources

ADEQ Southern Regional Office
(520) 628-6733 or (888) 271-9302
AZPDES General Permit Information:
www.azdeq.gov/environ/water/permits/stormwater.html

U.S. Environmental Protection Agency Best Management Practices Searchable Database: http://cfpub.epa.gov/npdes/stormwater/menuofbmps