Select Page

Roadway Maintenance Yard for DOT

Home / Roadway Maintenance Yard for DOT

Project Gallery


Project Description


Hart & Hikman is using low-flow air sparing in partially weathered bedrock to mitigate a groundwater plume that is impacting a stream above surface water quality standards. The low-flow air sparing is resulting in contaminant stripping and increased bioremediation by adding dissolved oxygen to groundwater. In the past, H&H has installed approximately ten air sparging and vapor extraction systems for DOT.