Environmental Engineering

Contact D.L.Howell


Infiltrometer – D.L. Howell D.L. Howell & Associates, Inc. offers a complete set of Environmental Services providing multi-disciplined solutions for our clients’ environmental compliance needs. ¬†We specialize in developing environmental solutions in the most cost-effective manner and rely on our technical expertise and strong working relationships with government agencies.

We specialize in preparing environmental audits and site assessments along with permits and approval for the following:

  • Pennsylvania Department of Environmental Protection
  • US Army Corps of Engineers
  • Chester County Conservation District
  • Chester County Health Department

Environmental Excavators Chester County.PA

We specialize in Commercial/ Residential/ Institutional/ Industrial:

  • 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

D.L. Howell Environmental, LLC is pleased to offer comprehensive excavation services associated with stormwater infiltration testing, septic percolation testing, and sub-surface site investigation.