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Coal Ash Dredging, Dewatering & Water Treatment

IAI provides coal ash (CCR) dredging, dewatering and water treatment services to coal-fired electricity generation plants throughout the U.S. Below are some examples of our coal ash dredging and dewatering projects.

See our Coal Ash Media Gallery

Geotextile Tube Wall – Coal Ash Project

May 9, 2019 by IAI

IAI was contracted to install geotextile tubes, in a tight alignment, to form an L-shaped wall. The geotextile tube wall contained dredged coal ash, which was pumped into the tubes at a rate of 1,500 GPM. The tubes were stacked in a 3-2 geometry, reaching a finished height of 11 FT, and length of 1,900 FT.

Lower Pond CCR Dredging Project

May 1, 2017 by IAI

IAI provided hydraulic dredging services for this CCR pond closure project in Lansing, IA.

Presque Isle Power Plant Pond Dredging

September 19, 2016 by IAI

Coal ash (CCR) was dewatered in geotextile tubes and hauled to landfill after 21 days of dewatering.

Coal Ash Waste Dredging

February 26, 2015 by IAI

IAI utilized an 8 inch diameter auger dredge with an 8 inch inline booster pump to remove 20,000 cubic yards of solidified coal ash from a runoff water management pond at a coal fired electricity generation plant in Mississippi.  Runoff from an adjacent coal ash pile had carried ash waste into the pond and had […]

Coal Ash (Fly Ash) Pond Dredging

March 19, 2014 by IAI

Geotextile tube filled with coal ash

IAI provided hydraulic dredging and geotextile tube installation services for this project, which removed 25,000 cubic yards of coal ash from a pond at a power plant in North Carolina.

Coal Ash Maintenance Dredging

March 18, 2014 by IAI

IAI utilized an 8″ swinging ladder dredge to remove 20,000 cubic yards of coal ash from a pond in New York, and dewatered the dredged material with a Total Clean mechanical dewatering system.

See us at WOCA 2019

Related Services

  • Dredging & Dewatering
  • Geotextile Tube Dewatering
  • Treatability Testing
  • Geotextile Tube Installations
  • Dewatering & Water Treatment Systems Design
  • Mobile Water Treatment System

Photo Gallery

Google Earth image of geotextile tube wall
Google Earth image of geotextile tube wall
Dewatering coal ash in a geotextile tube
Dewatering coal ash in a geotextile tube
Outside of the geotextile tube wall
Outside of the geotextile tube wall
Coal ash pond
Coal ash pond
Dredging coal ash pond
Dredging coal ash pond
Dredging coal ash pond
Dredging coal ash pond

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Recent Posts

Lyons to Lead IAI’s Engineering & Technical Services Division

February 9, 2022 |

Brad Lyons, P.E., and Emily Perrin, E.I.T., have recently joined the Engineering & Technical Services team at IAI, bringing new perspectives and energy to our water and wastewater engineering design and improvements projects. Read on to learn a little about Brad and Emily, and say hello, by dropping a note in the comments!

Baldwin WWTP Featured in Treatment Plant Operator Magazine

September 2, 2021 |

A recent upgrade to the headworks of the Baldwin Wastewater Treatment Plant, operated and maintained by IAI since 2017, has been featured in the September 2021 issue of Treatment Plant Operator magazine.

Kent Trierweiler, P.E., Retires After 20 Years with IAI

August 31, 2021 |

Kent Trierweiler, P.E., has retired from day to day operations at IAI. After 20 years of service to the company, and more than twice that to field of water and wastewater engineering, Kent’s longtime friends and colleagues reflect on his professional legacy. This is our tribute to you, Kent.

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Rockford, Michigan 49341

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Topics

geotextile tubes dredging water treatment hydraulic dredging dredging michigan contaminated sediment PCBs water treatment HAZWOPER coal ash environmental dredging operations and maintenance Remedial Action NPDES

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