Federal Stormwater Regulations

Federal regulations establish the foundation for stormwater management practices across the United States.

Clean Water Act Requirements

The Clean Water Act (CWA) establishes the basic structure for:

• Regulating discharges of pollutants into waters
• Regulating quality standards for surface waters
• NPDES permit requirements
• Stormwater management programs

EPA Stormwater Regulations

Key EPA regulations include:

• Phase I and Phase II MS4 Requirements
• Construction General Permit (CGP) provisions
• Industrial stormwater permit requirements
• Total Maximum Daily Load (TMDL) programs