Coal Ash Impoundment & Landfill Closure
Whether constructing an impoundment or closing a coal ash landfill, you can count on ENTACT to deliver efficient and accurate solutions that meet regulatory requirements.
Let Us Meet Your Challenge.
Coal ash disposal and landfill closure requires a construction company with engineering, geotechnical and safety expertise to address sites properly. ENTACT’s experience and capability enables our clients to meet their coal combustion residuals (CCR) closure objectives.
- 150+ landfills constructed
- National, large-scale solutions experience
- Industry-leading safety record
Put Us to Work
Our coal ash impoundment and landfill closure services include:
Dewatering and water treatment
Our experience includes large-scale dewatering and water treatment based upon site conditions.


Ash management and wet ash conditioning
We provide optimal mixing solutions for your crusted ash volume, liquid ash volume and moisture content based on testing through our in-house treatability lab.
Landfill construction and closure
ENTACT has industry-leading expertise implementing gas and leachate collection systems, storm water drainage, protective covers and other controls.

See our coal ash disposal and remediation skills in action
ENTACT is proud to partner with our clients to solve some of their most complex worksite challenges. In an industry where experience is key, see how we’ve served clients like you.