Environmental Services

Since 1996, Sierra Piedmont has completed hundreds of projects for a variety of clients throughout North America. Providing a wide range of environmental assessment, remediation training, and other consulting services our team is second-to-none in both technical knowledge and the level of support we offer our customers. Our firm has completed projects that range from one-week studies to multi-year contracts. We have assembled industry-specific teams with detailed knowledge of regulatory agency requirements throughout the US, and the trusted expertise needed to address the unique needs of each of our clients’ markets.

Full List of Service We Offer

As a full service environmental consulting firm, Sierra Piedmont offers our clients a broad range of professional services including:


  • Phase I Environmental Site Assessments (ESAs); site and client-customized and AAI


  • Petroleum (ASTs and USTs)
    • Specializing in Trust Fund site work
  • Hazardous compound
  • Solid waste landfill
  • Other environmental investigations:
    • Mold assessment
    • Lead-based paint sampling
    • Asbestos survey sampling (ACM)


  • Active (including system design, implementation, operations, and maintenance)
    • Dual-phase extraction
    • Air sparge and soil vapor extraction
    • Bio-remediation
    • Soil excavation/dig and haul
    • In-situ chemical oxidation injection and surfactant treatment
    • High vacuum extraction
    • Mobile free product recovery systems
  • Passive
    • One-dimensional and two-dimensional fate and transport modeling
    • Enhanced and passive natural attenuation with monitoring
  • Auditing/Inspections
    • Petroleum Systems environmental and code compliance
    • Customized compliance updates
    • Multi-protocol (air, water, etc.)
    • Fuel quality analysis
    • Supplier compliance/risk assessment
    • Hazardous and non-hazardous disposal site and recycling site audit
  • Environmental Plans
    • EPA Spill Prevention, Control, and Countermeasure (SPCC) Rule
    • Fuel system corrective action design
    • Storm Water Pollution Prevention Plans (SWPPP)
    • General Discharge Permits
    • National Pollutant Discharge Elimination System (NPDES)
    • Property Condition Assessments (PCAs); ASTM E 2018
    • Oil Spill Contingency plans
    • Hazardous Waste Management Plans
    • Facility Response Plan
  • Permitting
    • NPDES/Stormwater and wastewater
    • Storage tank registration (AST and UST)
    • Notice of Intent (NOI)
    • Permit research and preparation
  • Reporting
    • Toxic Release Inventory Reporting (TRI)
    • Tier II reporting
  • Training
    • Self-audit evaluations
    • Environmental consulting for non-technical managers
    • Hazardous waste management
    • AST management
    • UST management


  • Expert witness testimony
  • Technical advisory consulting to legal departments
  • AST and UST removal

Areas We Serve

  • Geography
    • United States: 50 states & the District of Columbia + Puerto Rico & other U.S. Territories
    • Canada

If you find your organization is in need of any of the services in any of the areas we serve, reach out to us as soon as possible. The faster we can get in on your project, the faster you’ll be up and operating. Contact us today!