Storm Water Management

H+A provides comprehensive Storm Water management services for government and private sector clients. Our engineers are experienced in designing storm water management systems that are compliant with state and federal requirements.

H+A’s storm water engineering and design services are provided in the context of both construction and industrial storm water permit regulations including the National Pollutant Discharge Elimination System (NPDES) and waste discharge requirements (WDR) permits.

H+A understands the importance of efficient, effective, and compliant storm water design with regard to overall project success for our clients in both the public and private sectors.


Range of Services

  • Planning & Implementation Preparing and implementing Storm Water Pollution Prevention Plans (SWPPP), Construction Site Monitoring Plans (CSMP), Water Quality Management and Improvement Plans (WQMIPs) and Erosion and Sediment Control Plans

  • Compliance Reviewing and evaluating SWPPPs for administrative compliance with the Construction and Industrial General Permits

  • Monitoring Implementing on-site monitoring services for construction and post-construction storm water Best Management Practices (BMPs); sampling and analysis for storm water compliance

  • Design Designing Flood Control Retention/Detention Systems


9171 Towne Center Dr., Suite 375

San Diego, CA 92122

(858) 455-6500


80 Blue Ravine Rd., Suite 106

Folsom, CA 95630

(916) 827-0114



1640 S. Stapley Dr., Suite 209

Mesa, AZ 85204

(480) 345-0888



7400 N. Oracle Rd., Suite 202

Tucson, AZ 85704

(520) 881-7300