Oldham Abandoned Mine Land Reclamation
Coal mining in Oklahoma has left thousands of acres of abandoned mines that pose public safety risks. Trihydro developed a…
Delivering integrated engineering and environmental solutions that support compliance, restoration, and long-term site success across active, legacy, and AML sites.

Coal mining in Oklahoma has left thousands of acres of abandoned mines that pose public safety risks. Trihydro developed a…
Trihydro partnered with the New Mexico Abandoned Mine Land (AML) program to develop reclamation plans for 46 abandoned mine…
Trihydro delivers full-service management of water treatment systems at the Leviathan Mine, a Superfund site, to mitigate…
Trihydro is using a passive system to treat mine water with elevated metal concentrations at a legacy mining site in…
Trihydro provides technical support, including geochemical analyses, hydrological and geochemical modeling, data management,…
The Railroad Commission of Texas’s Abandoned Mine Land Program (AMLP) received notification from a private landowner…
Trihydro has supported the reclamation of several former surface coal mines in south central Iowa. To date, our team has…
Trihydro has assisted the Wyoming Department of Environmental Quality (WDEQ) Abandoned Mine Land (AML) Division with…
Trihydro provided site characterization services, evaluated on-site waste repository locations to encapsulate mine wastes,…
Trihydro provided reclamation assessment and design services to address arsenic, lead, and manganese contamination at three…
A Wyoming mine and minerals processing site with groundwater impacts from high total dissolved solids (TDS) wastewater…
EPA has adopted a new enforcement strategy that directs enforcement staff to take a “compliance first” approach to all…
Environmental tracers are naturally occurring constituents in groundwater that can be analyzed to help reveal flow and…
EPA continues to add PFAS to TRI. Find out which new PFAS have been added and what EPA’s reporting requirements will look…
Sustainability assessments are key to successful sustainable remediation. See how they help sites maximize remediation…
We review five technological opportunities for every abandoned mine land (AML) site to consider, from those just starting…
Top 5 considerations when moving from paper-based environmental data collection to digital environmental data collection,…
Increasingly, environmental managers are adopting portfolio management for environmental liability sites. Learn more about…
Successful reclamation includes constructing a sustainable surface that minimizes erosion, supports revegetation, and…
Remote sensing offers a powerful and often cost-effective way to obtain essential information a landscape, providing data…
Geomorphic reclamation helps mimic pre-disturbance conditions, achieve plant diversity, and minimize long-term maintenance…
Several factors need to align for mine reclamation success, and attaining final closure often takes years—or even decades.…
This two-day complimentary workshop brings together subject matter experts from industry, academia, law, and regulatory…
Trihydro’s Remediation Lifecycle training is designed to educate teams about the processes involved in remediation. Led by…
Trihydro’s Conceptual Site Model (CSM) training program is specifically designed for environmental professionals…