Columbia & Cowlitz Railway

We regulate the water and hazardous waste activities at the Columbia & Cowlitz Railway in Longview.

Facility information

This 31-mile shortline railway freight service:

  • Transports forest products, steel, paper, and chemicals.
  • Sends wastewater created by train maintenance and washing to the Nippon Dynawave pulp and paper mill for treatment. The mill then sends the treated wastewater to the Columbia River.

Permit information

Columbia & Cowlitz Railway contacts

Company website
Facility phone: 360-501-2182
Location: 3401 Industrial Way, Longview, WA