Chester Ridley Crum Watersheds Association (CRC) was established in 1970 by a group of local citizens concerned about the impacts of increasing urban and suburban development on the Chester, Ridley, and Crum Creek watersheds. This area encompasses 132 square miles and 40 municipalities. For over 50 years CRC, a nonprofit 501(c)(3) organization, has worked to directly address the fact that 95% of our area streams are categorized as impaired by the State of Pennsylvania – these streams that are the basis of our drinking water supply, our local biodiversity, and our areas for recreation and enjoyment.

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