Local Stormwater Regulations

Understanding and complying with local stormwater regulations is crucial for successful project implementation.

Municipal Separate Storm Sewer System (MS4) Requirements

Local MS4 permits typically require implementation of various stormwater management practices, including:

• Post-construction runoff control measures
• Construction site erosion prevention
• Illicit discharge detection and elimination
• Public education and outreach programs

Local Development Standards

Many municipalities have specific requirements for:

• Maximum allowable impervious surface coverage
• Minimum stormwater retention volumes
• Water quality treatment standards
• Maintenance and inspection requirements