Scientist environmental monitoring soil
Comparing Stationary Confidence Limits to Weighted Bootstrap and Bayesian Credible Intervals
How the standard statistical methods used to estimate population means and confidence limits may fail when assumptions are not met, and how alternative methods may deliver more accurate estimates.
5 Ways to Streamline Reclamation Plan Implementation
Successful reclamation includes constructing a sustainable surface that minimizes erosion, supports revegetation, and supports water quality.
Remote Sensing Landscape
Making Sense of When to Leverage Remote Sensing
Remote sensing offers a powerful and often cost-effective way to obtain essential information a landscape, providing data that can inform project decisions across multiple industries and applications.
NEPA Federal Lands
What's New with NEPA?
We explore four key NEPA updates introduced in 2021 that may apply to environmental projects for years to come.
PFAS regulations
PFAS Regulations – Part 2: Emerging and Anticipated Regulatory Developments
We explore pending and emerging PFAS rules and regulations, especially concerning water, contaminated sites, wastewater, and solid waste.
Trihydro Billings, MT office
Trihydro’s New Billings, Montana Office Supports High-Quality Services
Trihydro opens new Billings, Montana office to better serve Montana and the surrounding states.
Ethanol plant fermentation top
OGI Highlights the Value of Voluntary Emissions Monitoring at Ethanol Plants
Technology like optical gas imaging (OGI) combined with voluntary emissions monitoring can help identify and mitigate vapor emissions from beerwell and fermentation tank top equipment.
Environmental Statistics: Contaminant Source Attribution Using PCA – PFAS, an Example
Environmental statistical methods, such as principal component analysis (PCA), can help summarize complex datasets and inform decision-making.
QAPPs – What Are They and Why Do They Matter?
Quality assurance project plans (QAPPs) can be an essential part of project planning for sites that use data for project decisions.
Kurt Tuggle signing papers
Trihydro Corporation Acquires California-Based Jacobson James & Associates
On May 28, 2021, Trihydro acquired California-based consulting firm Jacobson James & Associates (JJ&A).
Chemical plant
PFAS Regulations – Part 1: Existing Rules
Several EPA-led actions, research, monitoring, and toxicity testing will likely result in additional PFAS regulations. Trihydro presents Part 1 of 3 in a series of articles covering PFAS regulations.
OGI camera
NSPS OOOOa Regulatory Forecast
NSPS OOOOa has experienced multiple amendments since 2016, and additional changes are expected into 2022. Read on for a summary of recent activity and a forecast of anticipated updates.
Trihydro mentorship program
Trihydro's Mentorship Program Featured in Forbes
Forbes featured Trihydro in its recent article titled "How Midsized Companies Can Launch Powerful Mentoring Programs."
tank farm
DTSC Proposes Increased Governance and Fee Reform
California Department of Toxic Substances Control (DTSC) has proposed a new governance structure, with stated goals of alleviating budgetary gaps and implementing programmatic reform.
Burn area in forest after wildfire
Wildfire Response: A Whole-System Approach
Despite the significant challenge wildfires present, there are proven restoration activities that can help a forest return from severe fire and prevent future damage.
Birds flying over wetlands
CEQ Rescinds NEPA Guidance
CEQ, which oversees NEPA, has rescinded 2019 draft GHG guidance in favor of previous GHG guidance established in 2016.
frost free hydrant
Cold Weather Water System Protection Options
Six practical and preventative steps water system operators can take to better protect water systems from the effects of cold weather.
1,4-dioxane sampling
New ITRC 1,4-Dioxane Guidance
ITRC has released new 1,4-dioxane guidance materials to help increase awareness of the latest research and field-scale experiences.
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.

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