Get In Touch With Davey Resource Group

Davey Resource Group Eastern Pennsylvania & Delaware Office

Davey Resource Group’s experts in Eastern Pennsylvania and Delaware have extensive experience in both wetland and stream services as well as urban and community forestry services. DRG’s Eastern Pennsylvania and Delaware local office performed over 250 projects in its service areas, including wetland delineation, permitting, and mitigation, endangered and threatened species studies, environmental impact assessments, and urban forestry. Our team of interdisciplinary professionals have worked with several transportation authorities and agencies, such as PennDOT, the Pennsylvania Turnpike Authority, and the Philadelphia Airport, on numerous projects, including over 70 PennDOT environmental projects.

Andrew Ullman

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Project Developer: Andrew Ullman
Address: 175 East King Street Ephrata, PA 17522
Service Areas:
  • Bucks County
  • Delaware
  • Harrisburg
  • Lancaster County
  • Northampton
  • New Castle County
  • Philadelphia Metro Area
  • Bucks County
  • Delaware
  • Harrisburg
  • Northampton
  • New Castle County
  • Philadelphia Metro Area
  • Bucks County
  • Delaware
  • Harrisburg
  • Lancaster County
  • Northampton
  • New Castle County
  • Philadelphia Metro Area
  • Bucks County
  • Delaware
  • Harrisburg
  • Lancaster County
  • Northampton
  • New Castle County
  • Philadelphia Metro Area
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What We Do — Browse Our Service Offerings

Wetland & Stream

Service Description

Water resource determinations, regulatory consultations, and complex permitting and mitigation support.

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Environmental Design & Ecosystem Restoration

Service Description

Design/build plans, construction, native seed and plant installation, habitat restoration, and long-term monitoring and site stewardship.

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Stormwater Management & Compliance

Service Description

Compliant stormwater management, including quality analysis, reporting, sediment removal and green infrastructure maintenance and implementation.

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Urban & Community Forestry

Service Description

Urban and community forestry services, including GIS-based tree inventories, tree canopy assessments and urban forest master plans.

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Tree Inventory@2X
Tree Inventory@2X

Partner With Davey Resource Group For Your Next Project

With local offices across the country, our team of experts can provide the guidance, analysis, and quality service you need to manage the natural resources on your property. From wetlands and streams to stormwater management and tree inventories, we offer turn-key solutions for clients nationwide.

Endangered Threatened Species Turtles

Endangered & Threatened Species Services

Davey Resource Group’s biologists in Eastern Pennsylvania and Delaware are qualified to provide endangered and threatened species services for both plants and animals, including aquatic and terrestrial species, in support of transportation projects. DRG’s team of professionals have assisted state transportation agencies in consultation with the U.S. Fish & Wildlife Service on a federal level as well as the PA Fish & Boat Commission, PA Department of Conservation & Natural Resources, and PA Game Commission on the state level. DRG’s Eastern Pennsylvania and Delaware biologists are qualified to provide service for federally listed species, including the Indiana bat, northern long-eared bat, bog turtle, and more.

We can assist you with regulatory compliance for protected species by providing the following services:

  • Habitat Assessments & Surveys
  • Targeted species Surveys
  • Impact Avoidance & Habitat Management Plans
  • ESA Section 7 Consultations
  • Biological Assessments
  • State Threatened/Endangered Species Consultation
  • Construction Monitoring
Bluebelt Project Sumary Photo

Environmental Permitting Services

Our clients rely on us when it comes to identifying and securing the necessary permits and approvals required to authorize activities and projects involving wetlands and streams, and other protected natural resource areas.

We specialize in navigating the complex and often overlapping jurisdictions of USACE Section 404/10 permitting, PADEP Chapter 105 Waterways and Wetlands permitting, and DNREC Wetlands and Subaqueous Lands permitting.

Here are a handful of permits/approvals we have successfully obtained on behalf of our clients:

  • NEPA Compliance
  • U.S. Army Corps of Engineers (USACE) Jurisdictional Determinations
  • USACE Section 404/10 Nationwide & Individual Permits
  • State Freshwater & Coastal Wetlands Permits
  • PADEP Chapter 105 Waterways and Wetlands Permits
  • DNREC Wetlands and Subaqueous Lands Permits
  • 401 Water Quality Certifications
  • Coastal Zone Consistency Determinations
  • Wetland Mitigation Designs
  • Stream Corridor/Riparian Zone Restoration/Mitigation Plans
Invasive Pest Control

Invasive Pest Control

We can help control and eradicate non-native, invasive pests and plants and restore the ecosystem structure and function that may have been damaged by them.

Our experts can help you find the right solution for the most cost-effective treatment through:

  • Surveys and assessments
  • Herbicide applications
  • Emerald Ash Borer management plans
  • Asian Long-horned Beetle management plans
  • Monitoring and maintenance
Tree Inventory Management

Urban & Community Forestry

We understand the importance of healthy public trees. Our urban foresters, certified arborists, planners, and GIS specialists can create customized solutions that meet and exceed your urban forestry needs.

With decades of experience, our certified professionals help municipalities manage and maintain their urban forests through:

  • Tree Preservation
  • Tree Inventory Management
  • Smart Tree Inventories
  • Urban forestry management planning
  • Tree canopy assessments
  • Contract forestry solutions
  • Arborist reports

Eastern Pennsylvania & Delaware Team Contact Details

Staff Certifications

  • ISA Arborist 
  • TRAQ Certified
  • Professional Wetland Scientist (PWS) 
  • Rutgers Certified Wetland Delineator 
  • USFWS Recognized Qualified Bog Turtle Surveyor (QBTS) in NJ, NY, PA, DE, CT, MD & MA
  • NYCDEP Restoration Specialist 
  • Certified Professional in Erosion Sediment Control (CPESC)
  • Certified Professional Soil Scientist (CPSS) 
  • ESA Certified Senior Ecologist 
  • Pennsylvania Wild Plant Management Permit Holder
  • OSHA 40-hour 
  • OSHA 10-hour 
  • National Green Infrastructure Certification Program
  • FAA Drone Certification
  • SCUBA 
  • OSHA Certified Manager / Supervisor for Hazardous Waste Site Operations
  • DNREC Certified Construction Reviewer
  • USFWS Pennsylvania Field Office Qualified Northeastern Bulrush Surveyor 
  • USFWS Pennsylvania Field Office Qualified Small Whorled Pogonia Surveyor 

Featured Environmental Consulting Work

Project Profile Union Township Pa Ets 0722 Banner 1440X500
Government

Threatened Species Study Ensures Safe Solar Farm Construction In Fort Indiantown Gap, PA

Davey Resource Group performed endangered and threatened species studies for the Tesla Laboratories’ proposed solar farm at Fort Indiantown Gap in Pennsylvania. In addition to species studies, DRG also prepared environmental documentation and permits.
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Project Profile Tappan Zee Bridge Banner 1440X500
Transportation

Tappan Zee Bridge Replacement In New York Requires Wetland Identification & Investigation

Davey Resource Group performed wetland delineations and a number of environmental studies along a 30-mile highway corridor for the Tappan Zee Bridge replacement project. Environmental studies included upland terrestrial habitat mapping and various endangered and threatened species studies.
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AMTRAK Trackside Network
Transportation

DRG’s Expertise Helps Amtrak Meet Project Deadlines

Davey Resource Group performed a wetland delineation and prepared Categorical Exclusion documentation to help Amtrak provide a trackside wireless broadband network. With their comprehensive approach, DRG was able to meet schedule milestones efficiently.
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Mussel3830
Government

DRG Salvages Natural Habitats During Scudder Falls Bridge Construction

Davey Resource Group performed freshwater mussel surveys, salvage and relocation, and monitoring at the I-95/Scudder Falls Bridge as well as a reforestation plan and a peregrine falcon management plan, and contributed to a redbelly turtle habitat assessment.
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PHIL Runway Extension (1)
Transportation

DRG Provided Regulatory Direction for the Philadelphia International Airport Runway Extension Project

Davey Resource Group completed fieldwork to document existing environmental conditions and then provided technical documentation and regulatory guidance to support permit applications for the Philadelphia International Airport runway extension project.
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Government

DRG Minimizes Potential Tree Damage During Remediation In Philadelphia, PA

Davey Resource Group inventoried and evaluated 105 existing trees on the Frankford Arsenal Area II Remediation site in Philadelphia, helping to minimize potential tree damage during remediation efforts.
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Image 22@2X

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