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Water being dewatered from a pipe into a container, illustrating coal ash dewatering process for environmental remediation.
Coal ash dewatering system featuring a drainage channel, perforated pipe, and flowing water, illustrating innovative horizontal drilling solutions for environmental remediation.
Two Ellingson employees in safety gear walking outdoors, one holding a surveying stick, discussing coal ash dewatering methods.
Rim ditch for coal ash dewatering, showcasing muddy terrain and water flow, highlighting environmental remediation efforts by Ellingson-DTD.
Concrete channel for coal ash dewatering, with flowing water and surrounding grass, illustrating innovative environmental remediation techniques.

Leading the Nation in Horizontal Drilling Solutions Since 1996

Ellingson-DTD has been a leader in horizontal directional drilling (HDD) for environmental remediation across the United States for three decades. Our team of engineers, geologists, scientists, and project managers specializes in designing and installing horizontal wells for some of the industry’s most complex challenges, including coal ash dewatering, and groundwater control and management.

Innovative Solutions for Safer, Faster CCR Dewatering

We pioneered and patented a horizontal methodology that allows utilities and engineers to dewater coal combustion residual (CCR) sites more effectively than traditional vertical wells. By combining custom-engineered tools, patented equipment, and a multidisciplinary team of geological engineers, environmental scientists, and drill crews, Ellingson-DTD delivers safer, faster, and more cost-efficient results.

Worker in safety gear measuring coal combustion residuals on a dry, cracked surface at a CCR site, emphasizing innovative dewatering and remediation techniques.

A Trusted Partner in Coal Ash Management

When you work with Ellingson-DTD, you’re not just hiring drillers; you’re gaining a partner who understands the science and risks of coal ash management. We collaborate closely with consultants, owners, and regulatory partners to design wells that meet site-specific needs while protecting people and the environment.

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