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Industrial Section

Industrial Section

Solvay Chemicals, Inc.

Facility information

The Solvay plant in Longview manufactures hydrogen peroxide.


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


Solvay Chemicals, Inc.
3500 Industrial Way
Longview, WA 98632

Facility Site ID: 67696464

Ecology wastewater permit contact

Kelsey Holbrook, (360) 407-6355