Red Barn Engineering has robust site development and expertise in stormwater water quality compliance through NPDES permitting, EPA's Quality Assurance Project Plans (QAPP) and MS4 permits.  We challenge ourselves in supporting both heavy and light industrial clients and making sure that the water quality meets regulatory requirements.

Our staff has a long history of working with waterfront clients including port authorities, industrial campuses, and brownfield sites.  We bring a team that knows regulatory compliance with water quality treatment and getting facilities designed to meet the local, state, and federal requirements.

We have provided the following services to our clients:

  • Stormwater Drainage Water Quality Facilities (targeting dissolved zinc and copper)

  • Custom Media Mix Design

  • Custom Water Quality Vault Design 

  • Pavement Restoration and Upgrades

  • Parking Lot Retrofits

  • Large Bioretention Media (for runoff over 20+ acres)

  • Amenity Space Design

  • Fuels Facilities 

  • Shoreline Design

  • Compliance Monitoring for Point Discharges

Seattle Boat Marina

Seattle Boat Marina - Fuels Facilities and Concession Stand

Red Barn was the designer for the upgraded fuels facilities and for the green stormwater infrastructure associated with the concession stand.  Red Barn worked closely with the City of Seattle in the maintenance and operations for the long-term use of the facility as well as for the site development permits.