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Interstate Waste Services operates five landfills in Pennsylvania, Massachusetts and Vermont. These strategically located facilities offer close proximity to waste markets throughout the northeast, which translates into cost efficiencies for our customers.
Our landfills are operated under the most stringent environmental standards. Teams of engineers, guided by compliance and safety experts, work with state-of-the-art equipment and employ modern techniques to deliver on our commitment to environmental stewardship.
IWS is continually pioneering environmental initiatives at our landfills. These include recirculation of contaminated waste water, mining old landfills and gas-to-energy projects. With these innovations, IWS is evolving from a waste company to a sustainable energy producer.
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Through a joint venture with PL Energy, a subsidiary of Pennsylvania Power and Light, IWS is transforming methane gas from two of its landfills into renewable energy for PPL's customers.
| ![]() Easy to understand facts about landfill regulation:
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