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Penbrook Borough’s existing 12-inch vitrified clay pipe (VCP) gravity sewer line was constructed in the 1930s and conveyed sewage flow from both Penbrook Borough and Susquehanna Township to the Capital Region Water sanitary sewer collection and conveyance system, a National Pollutant Discharge Elimination System (NPDES)-permitted system. Lack of maintenance and known structural inadequacies of the…
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As an MS4 permittee, West Hempfield Township needed to submit a pollutant reduction plan (PRP) to comply with the Pennsylvania Department of Environmental Protection’s MS4 Program requirements. The Township needed to determine the existing pollutant loading rates attributed to the MS4-regulated area, and identify stormwater best management practices (BMP) to reduce sediment, phosphorus, and nitrogen…
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Rapho Township implemented a detention basin retrofit project on property they own that will reduce their sediment loading rates by 25,537 pounds per year, phosphorus rates by 10 pounds per year, and nitrogen rates by 336 pounds per year. This project achieves a significant portion of the Township’s required pollutant load reductions for their 2018…
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Lower Moreland Township wanted to redevelop Elkins Field, a 6-acre recreation/meadow area along Pennypack Creek in the southern portion of the township. Pennypack Trail borders the creek and offers the opportunity to make recreational connections from Elkins Field to other parts of Montgomery County. RETTEW created a master site development plan for Elkins Field, which…
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Paradise Township previously created a comprehensive plan that identified initiatives and projects it wanted to undertake. Unfortunately, the Township wasn’t successful in accomplishing many of the initiatives. They needed a tool to help them prioritize projects and steps to achieve them. RETTEW facilitated strategic planning discussions with Township officials, staff, and residents using our community…
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Paradise Township experienced significant growth that impacted community facilities in the township, including parks and recreation. To proactively address the need for additional park facilities for existing and future residents to enjoy, the Township hired RETTEW to develop a master site plan for the Paradise Township Community Park on an approximately 29-acre tract. The park…
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Small municipalities face tremendous financial burden in managing stormwater and complying with water quality regulations. Enacted and enforced by the U.S. Environmental Protection Agency and the Pennsylvania Department of Environmental Protection, these regulations, while beneficial, caused Highspire Borough to search for alternative funding for maintaining stormwater management facilities. RETTEW began assisting the Borough by presenting…
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West Earl Township experienced localized flooding and infrastructure deterioration along East Main Street in Brownstown caused by stormwater runoff. Rain events resulted in hazardous conditions for motorists and pedestrians. Main Street serves as a connection between the schools, parks, public transit, residences, and local businesses. Streets and homes were often flooded, and the curbs, sidewalks,…
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Our client experienced poor surface drainage and subsidence along a roadway in central Pennsylvania. These occurrences made road conditions dangerous. RETTEW/Enviroscan’s geophysics team surveyed the terrain to locate the source of the problem. The unique site conditions of this project required a combination of geophysical techniques to determine the proper solution. We performed four different…
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Radnor Township wanted a better understanding of how the conversion of a parking lot into a parking garage, dormitory, and accessory buildings on the Villanova University campus might impact Valley Run. The Township asked RETTEW, as a neutral, third party, to assess the physical conditions and health of the stream and provide results in a…
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