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Frequently Asked Questions:
Storm Water Pollution Prevention for Construction Sites

 
Below are questions frequently asked about storm water pollution prevent for construction sites.

When does my construction site require coverage under the Arizona Pollutant Discharge Elimination System (AZPDES) Construction General Permit?
Sites that will disturb one or more acres of area or are less than one acre if the project is part of a larger common plan of development.

Why is the AZPDES Construction General Permit necessary?  
Storm water discharges and runoff associated with construction sites can be a major contributor of pollutants to an urban storm sewer system, a wash or other waterways. Pollutants associated with construction activity may include, but are not limited to sediment, phosphorus, nitrogen, solvents, petroleum products, solid waste, paints, asphalt, concrete, sealants, pesticides, etc.

How do I obtain coverage under the AZPDES Construction General Permit? 
You will be required to develop a Storm water Pollution Prevention Plan (SWPPP) and submit a completed Notice of Intent (NOI) to the Arizona Department of Environmental Quality (ADEQ) for permit cove