With over a decade of service D. L. Howell and Associates’ goals continue to be providing high quality civil engineering while remaining highly competitive.  We consider ourselves unbeatable in our service. 

D.L. Howell services clients throughout Pennsylvania, Delaware, New Jersey and Maryland.  Having completed over 1,000 unique and complex projects, we are qualified to provide assistance with even the most diverse and challenging projects.

D.L. Howell provides the following services to commercial, residential and municipal clientele:


Civil Engineering Services
•    Commercial/Residential/Institutional/Industrial
•    Land Development Design & Approval
•    Subdivision Design
•    Geographic Information Systems (GIS) Mapping
•    Stormwater Management Design
•    Grading & Storm Sewer System Design
•    Sanitary Sewer System Design
•    Building Permit Plans
•    Building Addition Plans
•    Pool Permit Plans
•    Expert Testimony & Client Representation
•    Erosion and Sedimentation Control Design
•    NPDES / Conservation District Permitting
•    Best Management Practices 
•    (BMP) Implementation
•    Stormwater Inspection
•    PA DEP Sewage Facilities Planning Modules
•    LEED Consulting
•    Floodplain Analysis
•    FEMA Map Studies and Revisions
•    Construction Support
•    Highway Occupancy Permits (HOP Permits)
•    Roadway Design
•    Homeowners Association (HOA) Support
•    Mushroom Farm Consulting
•    Federal Aviation Association (FAA) Clearance

Land Planning/ Design
•    Site Analysis & Sketch Plan Design
•    Ordinance Reviews
•    Zoning Feasibility Studies and Planning
•    Site Plan Renderings

Environmental
•    Pennsylvania Department of Environmental Protections (PA DEP) Permitting, Sewer Extensions, and Planning Modules
•    NPDES / Conservation District Permitting
•    Best Management Practices (BMP)
•    Implementation
•    Site Assessment
•    Pennsylvania Natural Diversity Inventory (PNDI)
•    Clearance
•    Department of Environmental Protection (DEP)
•    Compliance Permitting
•    Stormwater Infiltration Testing
•    On-lot Septic Percolation Testing
•    Wastewater Management
•    Water Resource Management
•    Design & Permitting of On-Site Sewage
•    Soil Classification

Land Surveying
•    ALTA/ACSM Land Title Surveys
•    Boundary Surveys
•    Topographic Surveys
•    As-Built Surveys
•    Construction Stakeout
•    Legal Descriptions
•    Title Research
•    Easement & Right-of-Way Investigation
•    Photogrammetic Control/Aerial Photo Control
•    Surveys
•    Flood Plain Elevation Certification & LOMA
•    Requests