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What is Stormwater? Stormwater runoff is generated when precipitation from rain and snowmelt flows over land or impervious surfaces such as concrete driveways, sidewalks, streets, parking lots and rooftops, and...
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Water Conservation Although the majority of the Earth is covered with water, only 3 percent is fresh water. Protect our water supply by reducing non-stormwater runoff by using simple water conservation techniques...
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Household Hazardous Waste Proper disposal of Hazardous Household Waste can help keep our environment clean. Make sure these materials do not enter our water supply by keeping out of our storm sewer system...
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Pet Waste Pet waste contains various forms of bacteria. Make sure to pick up after your pets in order to help keep our stormwater system clean and protect water supplies...
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Washing Your Vehicle Detergents, cleansers, and solvents used while washing your vehicle can cause stormwater pollution. You can take steps to reduce stormwater pollution while keeping your car clean...
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Vehicle Maintenance For do-it-yourselfers, performing car maintenance at your home is a good way to keep busy and save money. But, stormwater pollution can occur if oil, antifreeze, or other auto fluids are not contained...
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Pesticides & Herbicides Pesticides, insecticides and fertilizers are one of the most challenging categories of storm water pollutants to address. They are carried to urban lakes, washes, and rivers in the runoff from rainfall...
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Construction Permits Stormwater discharges associated with construction activities can cause physical, chemical, and biological water quality impacts and compromise the integrity of surface waters...
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Industrial Permits Industrial activities including material handling and storage, equipment maintenance and cleaning, material processing and other processes and operations are often exposed to stormwater and may potentially discharge to surface...
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Pool Maintenance One of the most refreshing things is to hop into your pool on those hot Arizona summer days. With that pool comes maintenance requirements, though. The pool has to be backwashed, drained and refilled...
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STormwater Outreach for Regional Municipalities (STORM)

STORM is a regional organization promoting stormwater quality education within the greater Phoenix metropolitan area. STORM uses a multimedia approach targeting audiences through radio, television, special events, and providing permit information to the general public and the regulated community.


Arizona Statewide MS4 Summit

Run by permittees for permittees, this FREE summit will create a space for information sharing and networking for MS4s.

  • WHEN: Check here for the FY2015 summit
  • WHERE: Map

Who Should Attend??

  • AZPDES MS4 Coordinators
  • Public Works Managers
  • Water Quality Managers
  • Environmental and Construction Managers and Inspectors
  • Consultants involved with SWMP development or implementationMS4summitLogo3sm


    Sponsored By:

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Planning Committee:

Information and downloadable presentations from the 2013 summit are located here.


Industrial Stormwater Compliance Seminar

Stormwater Outreach for Regional Municipalities (STORM), an organization of Phoenix area municipalities and organizations, hosted a free seminar on how to comply with Arizona’s Multi–Sector General Permit for stormwater discharges from industrial facilities. Topics covered included:

  • Visual Assessments
  • Routine Self-Inspections
  • Training
  • Recordkeeping
  • Enforcement

Information and presentations from the seminar are located here.