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Southwest Regional Office

DEP Southwest Regional Office 
400 Waterfront Drive 
Pittsburgh, PA 15222 
Business Hours: 8 a.m. to 4 p.m.  
412-442-4000 (24 hours/day)

Regional Director: Susan Malone 

Counties served: Allegheny County, Armstrong County, Beaver County, Cambria County, Fayette County, Greene County, Indiana County, Somerset County, Washington County, Westmoreland County 

District Offices:
Beaver Falls 
206 Municipal Building 
8th Avenue and 15th Street 
Beaver Falls, PA 15010 
Business Hours: 8 a.m. to 4:00 p.m.  
Phone: 724-847-5270 or 724-847-5271 
Fax: 724-847-5281

California 
25 Technology Drive 
California Technology Park 
Coal Center, PA 15423 
Business Hours: 8 a.m. to 4:30 p.m.
Phone: 724-769-1100 
Fax: 724-769-1102

Ebensburg 
286 Industrial Park Road 
Ebensburg, PA 15931-4119 
Business Hours: 8 a.m. to 4:30 p.m.
Phone: 814-472-1900 
Fax: 814-472-1898

New Stanton 
131 Broadview Road 
New Stanton, PA 15672 
Business Hours: 8 a.m. to 4:30 p.m.
Phone: 724-925-5500 or 724-925-5400 
Fax: 724-925-5557

In case of an environmental emergency, please call 412-442-4000 (24 hours)