WOTUS Delve
Redefining Regulation of US Waterways
The EPA and USACE proposed a new definition of “waters of the United States”
    • rule
    • EPA
    • Delve
    • Water
    • WOTUS
  • Cryogenic Coring
    Cryogenic Core Drilling: An Innovative Site Characterization Tool
    Cryogenic core collection, an emerging site characterization tool, overcomes many of the limitations of traditional coring techniques...
    • Emerging Contaminants
    • C3
    • Contaminant
    • Cryogenic
    • Coring
    • Characterization
    • Delve
    • 2018
  • EPA Releases Fact Sheet & Draft Toxicity Assessments for PFAS Chemicals: GenX & PFBS
    Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic chemicals...
    • Substances
    • Toxic
    • Perfluoroalkyl
    • polyfluoroalkyl
    • PFBS
    • PFAS
    • Environmental
    • Environmental Protection Agency
    • EPA
    • 2018
    • Delve
  • CRWA Lake Dunlap WTP-22
    America’s Water Infrastructure Act Authorizes Federal Spending for Water Projects
    America’s Water Infrastructure Act (AWIA) approved billions in federal funding for waterways, dams, and flood protection projects.
    • Act
    • Federal
    • Municipalities
    • Funding
    • USACE
    • AWIA
    • Water
    • News
    • EPA
    • Environmental Protection Agency
    • 2018
  • pump_jack
    NSPS OOOOa Reconsideration Amendments - Proposed Rule
    EPA published reconsideration amendments for the 2016 NSPS OOOOa rule...
    • 2018
    • News
    • rule
    • Oil and Gas
    • NSPS
    • NSPS OOOOa
    • Environmental Protection Agency
    • EPA
  • 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
  • Photo of manufacturing facility
    EPA’s Proposed Methylene Chloride Ban to Move Forward
    • Delve
    • Regulation
    • N-methylpyrrolidone
    • Chloride
    • Methylene
    • Environmental Protection Agency
    • EPA
    • 2018
  • 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
  • UASv3
    Drones and Your Environmental Data: Why You Should Consider Taking to the Sky
    The use of drones to collect and use environmental data is revolutionizing the industry...
    • Drone
    • Delve
    • Data
    • Unmanned Aerial Vehicle
    • Unmanned Aerial System
    • UAS
    • UAV
    • 2018
  • iswmp_web
    2019 is Deadline for Integrated Solid Waste Management Plan Updates
    ISWM Program, which requires communities statewide to prepare and maintain a plan for disposing, treating, or recycling solid waste...
    • ISWM
    • Integrated Solid Waste Management
    • Solid Waste
    • Wyoming
    • Integrated Solid Waste Management Plan
    • ISWMP
    • 2018
  • 2018_Brownfields
    BUILD Act boosts EPA Brownfields Program
    The year 2018 has already proven to be a success for brownfields redevelopment...
    • Grant
    • Omnibus Spending Bill
    • EPA
    • Environmental
    • Environmental Protection Agency
    • BUILD Act
    • Brownfields
  • BLM_News
    Back and Forth, Back and Forth – Federal Court in Wyoming Halts BLM Methane Rule
    District Court of Wyoming Judge granted industry requests to halt implementation of key provisions...
    • Wyoming
    • rule
    • Venting
    • Flaring
    • Delve
    • Bureau of Land Management
    • BLM
  • Delve_NSPS_Data
    Public Information Request for NSPS OOOOa Data: Will Yours be Included?
    Several states and municipalities initiated a public information request regarding methane emissions reports...
    • Information Collection Request
    • Oil and Gas
    • Freedom of Information Act
    • rule
    • RSR
    • Refinery Sector Rule Compliance
    • Data
    • Delve
    • Environmental Protection Agency
    • EPA
  • Delve_BLM_Overturned_News
    BLM Venting and Flaring Rule – One-year Delay Overturned
    U.S. District Court for the Northern District of California overturned the BLM’s delay of compliance for the 2016 Venting and Flaring Rule
    • rule
    • Methane
    • Waste Minimization Plans
    • Delve
    • California
    • Bureau of Land Management
    • BLM
    • 2018
  • Delve_Closure_news
    State of Colorado Takes Novel Approach to Conditional Site Closure
    The CDPHE has come up with an alternative way to help responsible parties “close” certain brownfields sites...
    • voluntary
    • cleanup
    • and Disposal
    • Storage
    • Treatment
    • Groundwater
    • Water
    • Colorado
    • Closure
    • Conditional Closure
    • Conservation
    • RCRA
    • Contaminant
    • Brownfields
  • Delve_2017_Recap_NEWS
    A Look Back at 2017
    We’ve pulled together a summary of some of the top issues and what you need to know about each...
    • Water
    • Waters of the United States
    • Waste Minimization Plans
    • Technical Assistance to Brownfield
    • Superfund
    • Storage Tank
    • RCRA
    • Redevelopment
    • New Source Performance Standards
    • NSPS
    • EPA
    • Environmental Protection Agency
    • Delve
    • Bureau of Land Management
    • Brownfields
    • BLM
    • Air Quality
  • Inventory_NEWS
    It’s That Time Again: Triennial Minor Source Emissions Reporting
    Every three years, states must collect and submit their minor source emissions data...
    • EPA
    • emissions
    • Air Quality
    • WDEQ
    • Wyoming
    • National Emissions Standards
    • Inventory
    • Delve
    • 2018
  • BLM_Delay_New
    BLM Delays Venting and Flaring Rule Compliance to 2019
    The BLM published a final rule with a one-year delay of compliance...
    • Storage Tank
    • Pneumatic
    • Waste Minimization Plans
    • Drilling Wells
    • News
    • Flaring
    • Oil and Gas
    • EPA
    • Delve
    • Compliance
    • Bureau of Land Management
    • BLM
  • BLM_Update_News
    BLM updates on Greater Sage-Grouse conservation plans
    The U.S. Department of the Interior BLM announced the cancellation of its Sagebrush Focal Area withdrawal process...
    • Focal Area
    • Sagebrush
    • News
    • Greater Sage-Grouse
    • Delve
    • Bureau of Land Management
    • BLM
  • 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