Oil and Gas Production in Sunset
New Waste Prevention Rule Reverses Methane Emissions Regulations
    • News
    • Publications
    • Flaring
    • Venting
    • Regulation
    • Methane
    • Drilling Wells
    • emissions
    • Department of Interior
    • Delve
    • Bureau of Land Management
    • Compliance
    • BLM
    • 2018
  • ESA_changes_news
    Major Revisions to Endangered Species Act Proposed; Now Open for Public Comment
    The USFWS and the NMFS joined forces to overhaul Endangered Species Act...
    • NMFS
    • News
    • USFWS
    • Endangered Species
    • Environment
    • Environmental
    • ESA
  • Photo of manufacturing facility
    EPA’s Proposed Methylene Chloride Ban to Move Forward
    • Delve
    • Regulation
    • N-methylpyrrolidone
    • Chloride
    • Methylene
    • Environmental Protection Agency
    • EPA
    • 2018
  • Image of field
    Fish and Wildlife Service Retracts Mitigation Policies
    The U.S. Fish and Wildlife Service (USFWS) recently announced the withdrawal of both the Mitigation Policy and the associated Endangered Species Act (ESA) Compensatory Mitigation Policy (CMP).
    • USFWS
    • Mitigation
    • Policy
    • ESA
    • Delve
    • 2018
  • Cease_Transfer_web
    WDEQ Cease and Transfer Update
    Since the establishment of the WDEQ Municipal Landfill Cease and Transfer Program in 2012...
    • Wyoming
    • Solid Waste
    • Waste
  • e-maniv2
    EPA Launches New E-Manifest System for Hazardous Waste Data
    EPA recently launched its new Hazardous Waste Electronic Manifest System...
    • Manifest
    • Compliance
    • Hazardous Waste
    • Waste
    • e-manifest
    • EPA
    • Environmental Protection Agency
  • UW_Institution_Logo
    University of Wyoming "Trihydro’s dedication to the communities in which they have offices is second to none. We look forward to our continued relationship with Trihydro and the opportunity to present students with quality job opportunities from a top notch company."

    Conrad Chavez, Manager, Multicultural Affairs

    When choosing an environmental and engineering partner, you expect proven expertise, consistent quality and a high overall value. Nothing less will do. You can count on these qualities from Trihydro. We welcome you to contact us or visit one of our locations.

    Headquarters 307-745-7474  |  Locations