Cedar RapidsGeolocation: 41.9517, -91.6882

Terracon's Cedar Rapids office was the first office opened in 1965 as Soils Testing Services of Iowa, Inc. In 1980, Soils Testing Services of Iowa, Inc. had grown to six other offices and changed its name to Terracon. The Cedar Rapids office has a support staff of more than 40 engineers, scientists, engineering technicians, and administrative staff providing geotechnical, environmental, and materials engineering and testing. The Cedar Rapids office also owns and operates a barge and track-mounted drill rig that are capable of completing river borings.

2640 12th St., SW
Cedar Rapids, IA 52404

Phone: (319) 366 8321
Fax: (319) 366 0032




Guy Johnson, Office Manager

Key Projects

 Terracon performed asbestos inspections, environmental contamination investigations, and geophysical investigations after flooding in Iowa.
Cedar Rapids Flood RecoveryGeolocation: 42.0083, -91.6439
Terracon provided services to the City of Cedar Rapids after floodwaters covered more than 10 square miles in 2008. Services included asbestos inspections, mold remediation guidelines, moisture investigations, environmental contamination investigations, and geophysical investigations.

Iowa River Landing Brownfields RevitalizationGeolocation: 41.6818, -91.5658
This project originally involved 200 acres, later expanded to 230 acres under the Brownfields program, along the 1st Avenue industrial corridor and the Iowa River. Terracon was competitively selected in May 1999 to evaluate the Brownfields area for feasibility of redevelopment and integration into the City's primary development plan. Terracon has since continuously provided turnkey Brownfields environmental, geotechnical and construction materials engineering and testing services to assist the City in achieving $70 million in construction of the Coralville Marriott Hotel & Conference…

U.S. Federal CourthouseGeolocation: 41.9731, -91.6646
The Cedar Rapids office has been providing geotechnical and CMET services for the new U.S. Federal Courthouse since April 2009. The geotechnical scope of work consisted of performing a site bedrock study using a combination of soil borings advanced to bedrock and seismic refraction. Terracon also provided subsurface exploration and foundation recommendations for the two on-site tower cranes. The CMET services consisted of performing a site precondition survey of the neighboring properties and pavements prior to construction. During construction, Terracon provided full-time observation of…

University of Iowa Flood RecoveryGeolocation: 41.6611, -91.5302
In June 2008, five feet of water flowed over the emergency spillway of the Iowa River. A few miles downstream, 22 buildings at the University of Iowa (UI) were inundated with floodwater. After buildings were cleaned by the cleanup contractors, Terracon's field staff collected air and surface samples to assess whether the cleanup contractors had mitigated the bacterial and fungal hazards left behind by the floodwaters. Utilizing a team of more than 60 staff from 15 different offices across the country, Terracon was able to cover multiple building sites simultaneously. Terracon then observed…