Cosmo Specialty Fibers

We regulate the air, water, and hazardous waste activities at the Cosmo Specialty Fibers pulp mill in Cosmopolis.

Facility information

This is a sulfite pulp mill.

  • With around 200 employees, the mill makes about 550 tons of dissolving pulp (acetate, viscose, and ether grades) each day.
  • It treats its wastewater, and sends it to Grays Harbor and the Chehalis River.

Permit information

Cosmo Specialty Fibers contacts

Company website
Facility phone: 360-500-4600
Location: 1701 1st Street, Cosmopolis