News & Insights

  • June 7, 2024
Walnut Street Extension

Walnut Street Extension

RETTEW helped revitalize a dormant roadway project, which was started by PennDOT 40 years ago as the Route 23 bypass, but was abandoned because of funding challenges. The neglected corridor...

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  • June 7, 2024
Burd Run Stream Restoration

Burd Run Stream Restoration

RETTEW collaborated with Highspire Borough in applying for and securing a Pennsylvania Department of Environmental Protection (PA DEP) grant to fund this project. With that funding, RETTEW designed a stream...

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  • June 7, 2024
tributary to manada creek

Unnamed Tributary to Manada Creek Stream Restoration

As part of their pollution reduction plan, South Hanover Township completed an MS4 project involving a stream restoration for an unnamed tributary to Manada Creek. The site was chosen to...

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  • June 7, 2024
Tributary beaver creek

Unnamed Tributary to Beaver Creek Stream Restoration

RETTEW developed a comprehensive stream restoration and riparian forest buffer plan to address stream impairments along a tributary in West Hanover Township to meet the sediment and nutrient reduction requirements...

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  • June 7, 2024
Beaver Creek Stream Restoration

Beaver Creek Stream Restoration

RETTEW devised a comprehensive stream restoration and riparian forest buffer plan targeting stream impairments in Beaver Creek, meeting requirements of the MS4 Permit to reduce sediment and nutrient loading rates....

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  • January 24, 2024
Airport environmental

Lehigh-Northampton Airport Authority Environmental Consulting Services

Since 2015, RETTEW has provided Lehigh-Northampton Airport Authority (LNAA) and Lehigh Valley International Airport (ABE) with industrial National Pollutant Discharge Elimination System (NPDES) consulting, compliance, and permitting support. The initial...

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  • September 12, 2022

SR 0115 Widening and Intersection Improvements

The Pocono Raceway, a major tourist attraction, draws huge crowds of motorsports fans. During special events, traffic is restricted to one lane on SR 0115, creating problems for local residents...

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  • February 28, 2020

SR 2047 Flaugherty Creek Bridge Rehabilitation

The SR 2047 (U.S. 219 Business) Bridge over Flaugherty Creek is a stone masonry arch bridge listed on Pennsylvania’s Historic Bridge Inventory, and was deemed structurally deficient after 100 years...

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  • October 30, 2018
Post Project Property

Salt Water Injection Well Facility Site Characterization and Remediation

Our client, planning to sell their property, received a compliance notice from the Ohio Department of Natural Resources (ODNR) requiring remedial actions. Historically, the site was contaminated by chloride, petroleum...

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  • April 13, 2017

P3 Rapid Bridge Replacement Environmental Compliance and Engineering Support

Pennsylvania’s Rapid Bridge Replacement Public/Private Partnership (P3) project is a five-year, multimillion dollar open-end contract aimed at replacing approximately 560 bridges statewide. It is the most extensive infrastructure project in...

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