Client Access


Cultural Resource


Natural Resources &

Biological Services


Government Staffing


Tribal Facilitation and

Support Services

ECS is dedicated to providing high-quality and cost-effective cultural-resource services. Senior archaeologists are Register of Professional Archaeologists members. All meet the qualifications and standards established by the Secretary of the Interior (SOI), plus other applicable state, federal, tribal, and local requirements. ECS historians/architectural historians and ethnographers meet SOI standards and various jurisdictional requirements. Typical services include:


• Section 106 and 110 National Historic Preservation Act (NHPA) compliance

• National Environmental Policy Act (NEPA) compliance, including EIS, EA, & CATEX

  documentation and analysis

• Archaeological Resources Protection Act (ARPA); American Indian Religious Freedom Act

  (AIRFA); Native American Graves Protection and Repatriation Act (NAGPRA), and

  Executive Order 13007 compliance

• Implementation of cultural resource procedures pursuant to the Clean Water Act (CWA),

  BLM Manual 8100, and Department of Defense Instructions/Regulations

• Cultural resource inventories

• National Register of Historic Places (NRHP) evaluations and nominations

• Data recovery/mitigation

• Alternate mitigation strategies

• Ethnographic studies/Traditional Cultural Property Investigations

• Historic American Buildings Survey (HABS)/Historic American Engineering Record

  (HAER)/ Historic American Landscape Survey (HALS) documentation

• Historic research and context development

• Geographic Information System (GIS) studies

ECS staff brings a depth of knowledge and expertise to a wide range of natural resource management services and solutions. Our team bring experience with a wide range of resources and (through strategic partnering) include individuals certified at the state and federal levels for numerous threatened, endangered, candidate, and other sensitive species. All personnel are committed to providing timely, cost‐efficient, and professional project support. Expertise includes:


• National Environmental Policy Act (NEPA) compliance, including EIS, EA, &

  CATEX documentation and analysis

• Clean Water Act (CWA) compliance, including Section 404 permitting

• Endangered Species Act (ESA) compliance

• Wetland delineation/mitigation plans

• Waters of the US identification/definition

• Mitigation banking

• Stormwater and erosion studies

• Stream restoration and vegetation plans

• Biological evaluations and assessments

• Biological modeling programs

• Habitat assessment and conservation plans

• Threatened and endangered species surveys

• Wildfire management plans

• GIS studies

ECS expertise includes applying federal, state, and local environmental regulations to projects involving environmental contamination and hazardous materials/waste. Although a small company we are unique in having senior staff that include a Registered Professional Geologist (PG), Certified Professional in Erosion and Sediment Control (CPESC), Certified Cost Professional (CCP), and Certified Safety Professional (CSP). Our staff of professional scientists, engineers, and technicians are experienced in every major element of managing, designing, and implementing environmental services contracts for federal agencies. Personnel are also fully certified and meet all relevant safety and technical standards. Services and solutions we offer:


• Resource Conservation and Recovery Act (RCRA) compliance

• Comprehensive Environmental Response, Compensation, and Liability Act

  (CERCLA) compliance

• Safe Drinking Water Act (SDWA) compliance

• Occupational Safety and Health Administration (OSHA) compliance, including

  Hazardous Waste Operations and Emergency Response (HAZWOPER)

• Phase I and II Environmental Site Assessments

• Environmental Baseline Documentation

• Site characterization and remedial investigations

• Groundwater monitoring and operations & maintenance

• Development/assessment of remedial alternatives

• GIS studies

• Public involvement/outreach

ECS provides staffing support in a variety of fields related to and divergent from our core services. We are also committed to, and have a documented reputation working with, agencies to assure staffing continuity and that selections meet their needs before execution.  To this end, we have a proven system that has allowed us to recruit top key professionals; retain qualified staff with institutional knowledge; and replace specialists as needed. Competitive benefits, low overhead, and an excellent reputation allows us to identify professionals who can perform to specific and often diverse contract requirements. Our services include:


• Technical Support

• Subject Matter Expertise

• Onsite & Outsource Staffing

• Administrative Support

ECS has offered tribal support and training since our founding. Services cover three key areas: supporting studies, consultation facilitation, and tribal development. Supporting studies span the full array of cultural resource services but focus upon ethnography and traditional cultural places to help tribes (and other parties) with informed decision making for project planning. Consultation facilitation focuses upon assisting tribes and agencies navigate the often complicated consultation processes for cultural and environmental compliance. Tribal development services focus upon tribal level programs and training which can further improve compliance efforts but also (and equally importantly) create economic opportunities for tribal members.  To this end, ECS has conducted more than 7 training programs, trained more than 125 persons, and helped more than 40 tribal members get jobs on cultural resource projects. Our services include:


• Ethnographic overviews and assessments

• Traditional cultural places studies

• Facilitation of Native American/Agency consultation

• Consultation liaison services

• NHPA, NEPA, AIRFA, NAGPRA, and Executive Order 13007 compliance

• Cultural resource program development

• Permitting and certifications

• Creating systems for managing heritage resources

• Finding funding for cultural resource preservation

• NHPA/Section 106 and ARPA compliance training

• Tribal Monitor/Surveyor Training

Espinoza Consulting Services is a Colorado registered trade name for Espinoza Cultural Services, LLC.

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