Jennings Environmental Center Passive System Rehabilitation Celebration Oct. 7

The Jennings Environmental Education Center, Slippery Rock Watershed Coalition and Stream Restoration, Inc. would like to invite you to attend a celebration of the rehabilitation of the Jennings Passive Treatment System on October 7 at 11:30 in Butler County.

Being located in a Pennsylvania State Park and within the Slippery Rock Creek Watershed, the Jennings site has long been an important demonstration, education and research facility regarding mine reclamation practices and passive, as well as small active. treatment development.

Field applications of various technologies have been installed by numerous federal and state agencies, colleges and universities and the Slippery Rock Watershed Coalition.

The technologies include: the early use of treatment wetlands in the 1980s, the demonstration of plugging issues in Anoxic Limestone Drains for discharges with high aluminum concentrations, the use of mixed media in Vertical Flow Ponds, the utilization of test tanks for a variety of treatment media, the implementation of the federal Office of Surface Mining’s Appalachian Regional Reforestation Initiative practices, the development of plots for various types of vegetation, the development of fabricated soil and many others.

Last year, after 15 years of successful operation, the treatment media of the Vertical Flow Pond was removed, encapsulated on site with Mineral CSA (provided by project partner Harsco Minerals) and new piping and treatment media placed.  The system well outlasted the original estimated 10-year design-life!

The rehabilitation was made possible due to the following organizations and funding programs: Foundation for Pennsylvania Watersheds, Department of Conservation and Natural Resources, U.S. Office of Surface Mining Reclamation and Enforcement’s Watershed Cooperative Agreement Program, the Western PA Coalition of Abandoned Mine Reclamation’s Quick Response Program funded by the Growing Greener Program, Harsco Minerals, Jennings Environmental Education Center, BioMost, Inc., Stream Restoration Inc.’s O&M Technical Assistance Program funded by the Growing Greener Program and local citizen volunteers.

Please join us as we celebrate the successes of the Jennings system!  Participants are asked to meet at the Center main building located at 2951 Prospect Road, Slippery Rock, Pa near the intersection of Route 8 and Route 528.

Light refreshments will be provided.  Attendees will have the option of walking or riding a shuttle to the nearby project location.  Please RSVP if you plan to attend by email to: or by registering online.


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