Protecting Wetlands
Preventing underground erosion
Since 1984

Trench Dams 
Water, Sewer and Gas Pipelines

The Best Solution for stopping underground water travel


  • Reduces Infiltration
  • Keeps wetlands wet
  • Stops fines from bed and backfill material
  • Prevents Structural collapse
  • Contains contaminated groundwater
  • Light weight – relieves pressure against pipe
  • Easy to install
  • Made from rugged ABS plastic