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Industrial Section

Industrial Section

Specialty Minerals, Longview

Facility information

The Specialty Minerals, Inc. plant in Longview reacts carbon dioxide with slaked lime to produce precipitated calcium carbonate.


The plant discharges wastewater to the Nippon, Longview pulp and paper mill's wastewater treatment system. Weyerhaeuser then discharges it to the Columbia River.


Specialty Minerals, Inc.
3515 Industrial Way
Longview, WA 98632

Facility Site ID: 66669953

Ecology wastewater permit contact

Kelsey Holbrook, (360) 407-6355