CLEAR FILTER
downtown Denver aerial photo
Severe Ozone Nonattainment Status for Denver Metro/North Front Range Goes into Effect Nov. 7th
Effective Nov. 7, 2022, the Denver Metro/North Front Range ozone nonattainment area becomes "severe" and facilities have 1 year to ensure compliance with new rules.
Reclamation model
AML Programs: Putting Technology to Work
We review five technological opportunities for every abandoned mine land (AML) site to consider, from those just starting their digital journey to those already enjoying its efficiencies.
traffic lights turning green
Transportation Technology Grants: Moving Projects Forward
We review three grant funding opportunities that can help fuel transportation projects.
A grassy field with a large tree at the forefront
Trihydro Opens Owasso, OK Office to Deliver Responsive Environmental and Engineering Services
In opening its doors in Owasso, Oklahoma, Trihydro now has 22 offices across the country.
Stack of paperwork
EPA’s Proposal to Designate 2 PFAS as CERCLA Hazardous Substances is Here. What Does it Mean?
On August 26, 2022, EPA announced the proposed designation of two types of PFAS as CERCLA “hazardous substances.”
Aerial view of residential neighborhood
No-Cost Grant Funding Bootcamps for Small & Mid-size Local Governments
Small and mid-sized local governments can register for the Local Infrastructure Hub’s Grant Application Bootcamp, a program designed to demystify the grant application process.
Biosolids land application
PFAS in Wastewater Treatment Biosolids—Proceed with Caution
With mounting studies showing per- and polyfluoroalkyl substances (PFAS) in biosolids, the practice of land application is under scrutiny pending technological and regulatory advancements.
Natural gas processing plant during sunset
TRI Reporting: What Natural Gas Processing Plants Need to Know
In November 2021, EPA expanded the list of industrial sectors subject to TRI reporting requirements to include facilities that process natural gas. Read on to learn about what data to report.
White Trihydro truck in lupine field
ENR Names Trihydro a Top 200 Environmental Firm for the 17th Year in a Row
Engineering News-Record (ENR) ranks Trihydro #118 on its Top 200 Environmental Firms list for 2022.
Gasoline tanker truck
EPA Proposes Updated Regulations for Gasoline Distribution Source Category
EPA proposes to amend NESHAP Subpart R and Subpart BBBBBB, and further proposes to amend NSPS Subpart XX.
Water treatment plant aerial shot
EPA Announces New Health Advisory Levels for PFAS + $1B in Funding
The EPA announced new interim health advisory (HA) levels for PFOA/PFOS, final HAs for GenX chemicals and PFBS, and $1 billion in grant funding for PFAS challenges.
Refinery at night
Managing PFAS at Oil & Gas Sites
Learn more about how PFAS travels through the environment, the latest regulations, how to handle PFAS sampling orders, and AFFF management considerations.
OGI camera operator
EPA's Proposed Oil & Natural Gas Methane Rules: What You Need to Know
An on-demand webinar addressing proposed changes to New Source Performance Standard (NSPS) Subparts OOOOb (for new facilities) and OOOOc (for existing facilities) as well as EPA’s proposed Appendix K.
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Stream Quantification Tool — A Quantitative Approach to Stream Mitigation
A spreadsheet-based calculator, called the Stream Quantification Tool (SQT), is steadily being adopted for CWA 404 permitting projects to quantify stream impacts and inform mitigation measures.
    • 404 Permitting
    • Stream Restoration
    • Army Corps of Engineers
    • Stream Quantification Tool
    • Oil & gas
    • Mining
    • Clean Water Act
    • Chrysotile Asbestos
    EPA Exercises Reformed TSCA to Initiate Asbestos Ban
    On April 5, 2022, EPA proposed a new ban on asbestos. The proposal represents the first time EPA has exercised the regulatory framework established in 2016 under the Reformed TSCA.
    Person using EnFlection software on laptop
    Trihydro Launches New Environmental Data Management Software Product, EnFlection
    Trihydro launches EnFlection, a software-as-a-service environmental data management platform designed to help teams visualize and control environmental project outcomes.
    Jack Bedessem gives presentation
    Jack Bedessem Presented EBJ's Lifetime Achievement Award
    Jack Bedessem, Trihydro's President and Chief Executive Officer from 2004 to 2020, receives the Environmental Business Journal's Lifetime Achievement Award.
    Exploring Carbon Reduction through CCUS Projects & Class VI UIC Wells
    Exploring carbon capture, utilization, and storage (CCUS) projects, Class VI Underground Injection Control (UIC) carbon sequestration well permitting, and tax credits incentivizing CO2 reduction.
    NSZD LNAPL site management
    Efficient LNAPL Site Management Using NSZD
    An on-demand webinar covering the benefits of including natural source zone depletion (NSZD) as a component of light non-aqueous phase liquid (LNAPL) site remediation.
    Conference room with presenter
    Trihydro Receives Four 2021 Business Achievement Awards
    Trihydro was recognized for its industry leadership, resource resiliency, project merit, and its 2021 merger & acquisition activity.
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    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