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At Greenstone Civil, our expertise in stormwater drainage ensures your project meets the highest environmental standards. We've successfully managed stormwater in diverse sensitive environments—from tranquil wetlands to running streams. With extensive experience in installing various infrastructures, including concrete, PE, and PVC systems, we guarantee efficient solutions tailored to your needs, no matter the depth or complexity.
Pipes, box culverts, Manholes & connections
Box culverts outlet and Inlet Structures
Coastal and stream works
Wetlands and ponds
Retention devices
Directional drilling


If there’s one job you need to get right the first time, it’s directing wastewater. Using materials like PE and PVC, we’re able to install gravity lot connections to bulk gravity mains at any and every depth. Plus, we can also make sure the flow runs smoothly with bulk pressure mains, low pressure sewer and vacuum sewer systems, on top of various pump stations.
Pipes, Manholes & connections
Gravity sewers
Pressure sewers
Vacuum Sewers
Transmission lines
Pump stations
Directional drilling
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