Business

Your business can help protect surface water quality by using Best Management Practices (BMPs, sometimes referred to as "Control Measures") to reduce the amount of pollutants entering the storm drain system from your facility. Businesses that have the potential to pollute stormwater are required under Phoenix City Code Chapter 32C to develop and implement a Stormwater Management Plan (SWMP). SWMPs identify a facility's BMPs (such as good housekeeping, chemical and waste management and outdoor storage practices) to protect stormwater quality.

Examples of Stormwater BMPs

A SWMP also documents facility operations, storage and disposal of materials/chemical wastes, required employee training and includes a site plan of the facility. Furthermore, the SWMP identifies procedures for controlling and cleaning up spills and requires regular facility inspections to verify the BMPs are implemented and functioning properly. Several documents are available to facilities for assistance in preparing a SWMP:

SWMP Resources:

In addition to compliance with City ordinances, industries having certain Standard Industrial Classification codes (also known as "SIC Codes") may be regulated by the Arizona Department of Environmental Quality (ADEQ) under the Arizona Pollutant Discharge Elimination System (AZPDES) Multi Sector General Permit (MSGP). The City of Phoenix will accept Stormwater Pollution Prevention Plans (SWPPP) prepared for ADEQ in lieu of a SWMP, as long as the SWPPP contains all required information in the SWMP.

The City of Phoenix has an AZPDES Municipal Separate Storm Sewer System (MS4) permit for stormwater discharges. The MS4 permit was issued to the City by ADEQ in 2009, requiring the city to inspect various industrial and commercial facilities for compliance with City stormwater ordinances.