Snohomish County, WA Underwater Utility Directional Bore On Grade Sewer provides Snohomish County, WA with underground and underwater utility infrastructure construction services via Horizontal Auger Boring, Tunneling and Horizontal Directional Drilling (HDD) more commonly called Directional Boring. We provide underground utility construction services specializing in the underground boring of utility pipelines for electric power, solar, … Continue reading Snohomish County, WA On Grade Sewer