Cosmo Specialty Fibers (formerly Weyerhaeuser Cosmopolis)Wastewater permit
The Dept of Ecology comment period on Cosmo Specialty Fibers' proposed wastewater permit renewal ended May 8, 2015. For more information, please read the:
Employing about 200 people, the mill uses virgin hemlock to make up to 550 tons of dissolving pulp (acetate, viscose and ether grades) each day. It discharges wastewater to Grays Harbor and the Chehalis River.
Facility Site Number: 32
Location and Mailing address:
P.O. Box 539
Cosmopolis, WA 98537
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