Corps to sample and analyze groundwater at SLDA

Published June 27, 2016

The U.S. Army Corps of Engineers Pittsburgh District will be collecting and subsequently analyzing groundwater samples from the Shallow Land Disposal Area site beginning Monday, June 27. The sampling should take approximately three days and three months for the completed analysis.

Hardcopy documents related to site studies, testing, and remedial plans are available online and at the Apollo Library, 219 North Pennsylvania Avenue, Apollo, Pa. 15613-1397. Due to size, the Corps' Remedial Investigation Study is available on disc. Please contact Patty Schwirian at 412-395-7407 to request a copy.

BACKGROUND:  The SLDA, encompassing 44 acres of privately owned land, is located approximately 23 miles east-northeast of Pittsburgh in Armstrong County, Pennsylvania. The site is on the right (south) bank of the Kiski River, a tributary of the Allegheny River, near the communities of Apollo and Vandergrift. Radioactive waste disposal operations were conducted between 1960 and 1970. 

For more information about the site, visit the SDLA website:    

Pittsburgh District’s 26,000 square miles include portions of western Pennsylvania, northern West Virginia, eastern Ohio, western Maryland and southwestern New York.  Our jurisdiction includes more than 328 miles of navigable waterways, 23 navigation locks and dams, 16 multi-purpose flood control reservoirs, 42 local flood protection projects and other projects to protect and enhance the Nation’s water resources, infrastructure and environment.

For media inquiries, contact the Public Affairs Office at 412-395-7500 or email:


Carol E. Davis
412-395-7503 (fax)
1000 Liberty Avenue,22nd Floor

Release no. 16-175