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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 Fines Dredging & Dewatering Project

June 24, 2015 by IAI

IAI utilized a 445 horsepower, 12 inch diameter auger dredge with a 12 inch diameter inline booster pump to remove coal fines from an impoundment that was filling to capacity at a mining facility in southern Illinois. During day time hours, mine flow was combined with the dredge flow feeding the geotextile tubes dewatering operation, […]

Fond du Lac River & Marina Maintenance Dredging

March 21, 2014 by IAI

Summary of IAI’s work on the Fond du Lac River & Marina Maintenance Dredging Project in Fond du Lac, Wisconsin

Conner Creek CSO Dredging Project

March 20, 2014 by IAI

Conner Creek CSO Dredging Project, swinging ladder dredge

IAI dredged 180,000 cubic yards of in-situ material from Conner Creek to create capacity for a new combined sewage overflow treatment facility. The project involved the removal of approximately 100,000 cubic yards of contaminated sediments utilizing an 8 inch diameter swinging ladder dredge and an 8 inch diameter auger dredge. A specially designed header system, […]

Brownfield Raceways Remediation

March 19, 2014 by IAI

Brownfield Raceways Remediation

IAI self-performed hydraulic dredging, geotextile tube dewatering and water treatment operations for this environmental dredging project, involving the removal of highly concentrated PCBs and sediment from underground raceways.

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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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Cover for Infrastructure Alternatives, Inc.
Infrastructure Alternatives, Inc. is in Rockford, Michigan.

1 day ago

Infrastructure Alternatives, Inc.
Water treatment equipment is rolling out of our yard and heading for our next #environmental #dredging project in Duluth, MN! #watertreatment #cleanwatersolutions #ontheroadagain #loadedupandtruckin ... See MoreSee Less

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