Geosynthetics Supply and Installation

Tetra Tech is a proven leader in the geosynthetic installation industry, with a reputation built on safety, quality of work, experienced management and field personnel, and the ability to overcome challenges.

Tetra Tech’s geosynthetic installation work includes basic solid waste landfill liners, mining and coal ash sites, power plants, waste containment facilities, and advanced designs associated with renewable energy applications. We work with a broad client base and have longstanding relationships with private owners and general contractors across the United States, as well as several large national account solid waste clients. We are also experienced with U.S. Department of Energy, Department of Defense, and Superfund work.

With a network of regionally based project managers and an estimating group, we perform our annual workload using up to 15 field crews. Our teams install as much as 150 million square feet of geosynthetics annually on more than 100 projects from coast to coast in the United States. We are a certified installer for all major geosynthetic manufacturers.

Tetra Tech maintains a fleet of vehicles and trailers to facilitate nationwide work and has a large inventory of company-owned welding equipment.

Tetra Tech is a member of the International Association of Geosynthetic Installers (IAGI) and uses U.S. Occupational Safety and Health Administration and Mine Safety and Health Administration-trained crews in accordance with regulatory requirements.

Geosynthetic Industry Experience

  • Solid waste containment and closure systems
  • Mining industry leach pads, tailings facilities, ponds, drainage, and support structures
  • Power generation evaporation ponds and ash containment
  • Reservoir liners
  • Turf installation
  • Floating covers
  • Solar energy covers
  • Chemical and hazardous material containment
  • Industrial and utility containment
  • Stormwater retention
  • Decorative and civil pond installations
  • Secondary containment
  • Specialty and tank lining
  • Wastewater processing
  • Agriculture and aquaculture
  • Temporary covers and liners

Materials Installed

  • high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) geomembranes
  • Geonet
  • Geotextile
  • Geocomposite
  • Geosynthetic clay liners (GCL)
  • Closure turf and hydroturf (certified CT and infill installer)
  • Wind defender
  • Specialty geomembranes (PVC, PP, EPDM, XR5)

Contact Our Solid Waste Team