1. PennDOT Publication 783 – Environmental Permitting Handbook

    The Pennsylvania Department of Transportation (PennDOT) needed their guidelines for preparing waterway and environmental permits organized efficiently to improve the permitting process. In addition, guidelines for preparing earth disturbance and waterway permits were either absent or not easily found. This resulted in inconsistent permit applications, technical deficiency letters from permitting agencies, and missed project schedules….

  2. Valley Run Assessment and Monitoring

    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…

  3. Allegheny River Bridge Wetland Mitigation Monitoring

    The Pennsylvania Turnpike Commission (PTC) replaced the Allegheny River Bridge as part of a roadway reconstruction project. To comply with the U.S. Army Corp of Engineers and Pennsylvania Department of Environmental Protection (PA DEP) regulations, PTC needed to construct and maintain 1.8 acres of replacement wetlands to satisfy the wetland mitigation requirements associated with aquatic…

  4. Aquatic Resource Data Quality Validation

    A natural gas client experienced delays with permit reviews submitted by other consulting firms because of concerns with the quality and reliability of their wetland data. Permit applications submitted by RETTEW for the client did not have similar delays in review. As a result, RETTEW provided quality control (QC) field reviews of stream and wetland…

  5. Marshalls Creek Traffic Relief Study

    Marshalls Creek, a rural village located in the heart of the Pocono Mountains, faced increased growth pressures as it rapidly grew in popularity as both a resort area and an attractive bedroom community for New York City. As a result, the Pennsylvania Department of Transportation needed to find a solution to very serious traffic congestion…

  6. Aquatic Invasive Species Management Plan

    A client, under an agreement with the West Virginia Department of Natural Resources (WVDNR), was required to properly manage sensitive water systems and prevent contamination by aquatic invasive species (AIS) such as the zebra mussel and pathogens like the largemouth bass virus. The maintenance costs associated with keeping water intakes clean are significant — not…

  7. Seismic Survey

    As a precursor to identify natural gas resources, state and federal agencies required a natural gas client to obtain environmental and cultural resource clearances prior to conducting seismic surveys. The client was unfamiliar with the complexities, coordination effort, and details involved with the clearance process, and hired RETTEW for guidance and project execution. RETTEW completed…

  8. Oil and Natural Gas Feasibility Study

    The Jicarilla Apache Indian Reservation covers 850,000 acres in northcentral New Mexico. The Jicarilla Apache Nation (Nation), one of the single largest mineral owners in the San Juan Basin, wanted to better understand the types of environmental and hydrocarbon resources present in the northeast sector of their reservation. This environmentally sensitive area includes approximately 200,000…

  9. Temporary Waterline Construction

    An oil and gas client wanted a more efficient and cost-effective method of conveying source water to their drilling and completions operations in the Power River Basin, Wyoming, and decided to use temporary waterlines to eliminate the costly process of trucking in shipments of water. After completing hundreds of successful temporary waterlines projects for the…

  10. Water Withdrawal Monitoring

    A natural gas client required ongoing water source monitoring to maintain water withdrawal operations. Endangered and threatened species inhabited a nearby wetland, prompting the Susquehanna River Basin Commission to require semi-annual monitoring of area plants, the macroinvertebrate community in the stream, and the stream’s flow volume and water chemistry. RETTEW’s integrated services provided design of…

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Community Support

RETTEW Charitable Foundation Awards Grant to Good Karma Garage

RETTEW is excited to announce Good Karma Garage is the recipient of a $7,000 grant from the RETTEW…

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Services

Evolving With Our Clients and Technology

For the last decade, RETTEW has been providing North America’s largest flat-rolled steel producer with visual structural inspections…

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