Mile High CRE Highlights Terrafirma’s Reve Boulder Project

Mile High CRE has published an article highlighting the dewatering/groundwater control and groundwater treatment systems installed at Reve Boulder to allow for the underground portion of the construction to advance safely and without interruption. The article can be viewed on Mile High CRE.

We Work Below Waterlevel So You Don’t Have To

Lake Conroe Dam Relief Well Rehab

At TerraFirma, we work below the waterlevel so that you don’t have to. We recently executed a pilot study to determine the best practices for maintaining the relief well system of Lake Conroe Dam in Conroe, Texas. The relief wells help to ensure the integrity of the Lake Conroe Dam. Originally constructed in the 1960’s, […]

Hanover River Oaks

TerraFirma was selected to provide the groundwater control solution for the Hanover River Oaks project by The Hanover Company. The project is a new mixed used residential and retail complex located in the bustling River Oaks area of Houston, Texas. The complex project consists of multiple subgrade elevations all of which penetrate below the natural […]

Terrafirma Earth Technologies Returns

Dewatering the Rio Grande River

Today we are pleased to announce, TerraFirma has separated itself  from  Moretrench America Corporation, and is once again operating independently as TerraFirma Earth Technologies, LTD. We will continue to work closely with Moretrench on our current projects, as well as future projects where we can share and draw upon each other’s unique services and capabilities; however, TerraFirma’s focus […]


TF Excelerators

TerraFirma is constantly striving to add value to our offerings and to be the leader in the groundwater control services industry. TFexcelerators are our background services which create additional value for clients. Capabilities Technology Professionalism TFexcelerators is the name we have given the unique combination of support services through which we add value to our […]

TargetZero: Terrafirma’s Ongoing Safety Program


Providing ongoing training and certification, while meeting the regulatory requirements of all local, state, and federal regulations is critical to the successful completion of any construction project. TerraFirma believes that with this level of commitment to a safe working environment should not only be a requirement, but also a necessity protecting our employees and our […]

The P2E Process

The P2E Process

One of the most crucial phases of any construction project takes place at the beginning, when the application of a highly effective dewatering process ensures that the placement of the foundation is successful. To assure total project success, TerraFirma has developed its P2E Process™: PLANNED The complexities involved with a groundwater control system requires an extensive […]

San Juan Chama Drinking Water Project

Dewatering the Rio Grande River

Project Specifications The Project consisted of funishing and installing approximately 100lf of 60” and 4000 lf of 54” hight pressure welded steel pipe with four 54” butterfly valves in two reinforced concrete vault structures with appurtenances. The project commenced on a bluff west of the Rio Grande river, across the river and extended across the […]