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The City of Flagstaff Stormwater Utility personnel are located in City Hall at:
211 W. Aspen Ave.
Flagstaff, AZ 86001

For a complete listing of our direct dial phone numbers, please check the staff directory on this page.

Our section is part of the Utilities Division, we are located on the second floor of City Hall.

View Stormwater Management's staff directory.

Some of our key services include:
  • Answering drainage improvement concerns
  • Detecting and eliminating illicit discharge
  • Determining flood zones
  • Enacting Stormwater Pollution Prevention Plans (SWPPPs)
  • Ensuring regulatory compliance with NPDES requirements in floodplain issues
  • Inspecting grading and drainage

Stormwater Management has established an illicit discharge detection and elimination hotline number at (928) 213-4823. Discharges occur as a result of negligence or accidents and are sometimes a purposeful disregard for the environment. Regardless of the cause, it is important to prevent pollutants from entering local washes. To report an illicit discharge, please call the hotline number. You need not identify yourself to have your concern addressed.

Flagstaff City Hall, 211 West Aspen Ave., Flagstaff, AZ 86001, Phone: (928) 213-2000