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Bell Colliery Treatment System Optimization     Project Details

Thu Sep 1, 2011

This project entailed installing a passive treatment system for the water flowing from the Bell Colliery Drift. As is the case with many abandoned mines, water gathers in the underground tunnels where it “picks up” metals and, eventually, flows into the Schuylkill River. Such discharges are known as Abandoned Mine Drainage (AMD). In addition to the metals themselves having an undesirable effect on the river, Bell’s AMD water is acidic.

With the new treatment system, water now first flows through large cells filled with limestone, which decreases the water’s acidity and makes it easier for the metals to drop out of the water. Next, the water flows into a settling pond and a wetland cell, both of which catch the resulting metal sludge before it can be carried into the Schuylkill River.

Location: Near Mary D, PA
Source of Funding: EPA 319 Grant
Date of Completion: 2004
Leading Organization:  Schuylkill Conservation District
Cost: $342,940

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