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Manheim Borough identified a 3,040-LF floodplain restoration/sediment removal/riparian buffer project along a section of the Chiques Creek in Memorial Park to comply with current MS4 Permit requirements. The project is expected to reduce the existing sediment load to Chiques Creek by approximately 136,000 pounds per year and achieve the required 10 percent sediment reduction required…
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West Hempfield Township was looking to pave the streets in one of its neighborhoods as part of a capital improvement project. The neighborhood was built in the 1970s and the existing stormwater infrastructure was also in need of repair and/or replacement. RETTEW worked with the Township to analyze the existing pavement, curbing, and stormwater facilities…
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RETTEW worked with West Hempfield Township to develop a comprehensive, cost-effective strategy to achieve required sediment reduction loads in compliance with their 2018-2023 MS4 Permit requirements. This strategy included a variety of green infrastructure best management practices to reduce stormwater rates and volumes, increase groundwater supplies, filter stormwater pollutants, increase biodiversity and habitat for native…
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As an MS4 Permittee, Manor Township is required to reduce stormwater pollutants to maintain compliance with their MS4 Permit requirements and to improve water quality in local streams and the Chesapeake Bay. The Township owns six dry detention basins that will provide significant pollutant reductions after being retrofitted into bioretention basins. Two of the existing…
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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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Paradise Township implemented a detention basin retrofit project that will reduce their sediment loading rates by 30,695 pounds per year, phosphorus rates by 12 pounds per year, and nitrogen rates by 362 pounds per year. This project achieves a significant portion of the Township’s required pollutant load reductions for their 2018 to 2023 MS4 Permit….
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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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Railroad Street in the northern section of Palmyra Borough had ongoing flooding issues and required strong stormwater management to provide solutions. However, the Borough needed to secure funding in order to move the project forward. As the Borough Engineer, RETTEW assisted the client in securing Growing Greener Grants for design and construction of the forebay…
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Harrisburg Area Community College (HACC) wanted to improve their stormwater management system at their Gettysburg Campus, specifically to improve water quality and conservation by incorporating carefully planned best management practices (BMPs). RETTEW worked closely with HACC and project partner Adams County Planning Commission to design a new stormwater management plan that addressed both stormwater quality…
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Tell us about a hobby you’re passionate about outside of work. I belong to a volunteer women’s service…
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One of RETTEW’s Project Managers, Melissa Kelly, is participating as a mentor in the Lancaster Chamber of Commerce…
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