The Port's Stormwater Program
The stormwater management program is a major element of the Port of Olympia's commitment to preventing, reducing and eliminating the discharge of pollutants into Puget Sound. We work closely with port tenants and the Washington Department of Ecology to minimize the potential for pollutants to enter Puget Sound from stormwater runoff flowing off impervious surfaces on port properties.

The federal and state water quality laws require a permit for discharges of rain water and snow melt into surface water (lakes, rivers, ponds, streams, inland waters and salt waters). The purpose of a permit is to control the quantity and/or quality of the water discharged to protect surface water and groundwater. The Port’s properties are covered by two separate permits. The Port of Olympia’s industrial marine terminal is covered by the industrial stormwater general permit, issued by Washington’s Department of Ecology as part of the National Pollutant Discharge Elimination System (NPDES). Other areas of the Port’s property are covered by a municipal general stormwater permit, also issued by the Department of Ecology as part of the NPDES program.

View the Port's 2015 Municipal Stormwater Annual Report.

View information on the Marine Terminal Stormwater Treatment Facility Repair (update June 2016)

The Port's Stormwater Treatment Facility located on the Marine Terminal
Reduce/Eliminate Pollution
The goal under the permits is to implement and maintain best management practices that identify, reduce, eliminate and/or prevent the discharge of specific stormwater pollutants into surface water. The Port accomplishes these goals by complying with its Stormwater Management Program (SWMP, for the municipal general permit) and Stormwater Pollution Prevention Plan (SWPPP, for the industrial general permit). The Port’s stormwater compliance program is implemented by the Port’s Engineering Department, in coordination with the Port’s seaport, real estate, and Swantown Marina divisions, as well as with building and grounds maintenance crews, and Port tenants.  In compliance with applicable permit requirements, the Port’s SWMP and SWPPP contain the following components:
  • Best management practices to control potential pollutants
  • Spill prevention and control
  • Construction site stormwater runoff control
  • Illicit discharge detection and elimination
  • Pollution prevention / good housekeeping for municipal operations
  • Post-construction stormwater management for new development and redevelopment
  • Public education and outreach
The Port continually strives to improve and upgrade stormwater management practices and infrastructure on our facilities. To comment on the Port's Stormwater Management Program, send the Port an email.
Regulatory Oversight
Both the industrial and municipal permits are under the supervision of the Department of Ecology.
View Ecology's permitting programs for municipal stormwater and industrial stormwater for more information.