Wastewater

Weston & Sampson is a leading firm in wastewater system planning, design, construction, and rehabilitation.

With more than a century of experience, we serve diverse communities by providing innovative and cost-effective solutions across all phases of wastewater projects, ranging from small rural systems to large urban networks. Our expertise spans wastewater collection, treatment, and regulatory and funding assistance, including advanced technologies like trenchless methods (cured-in-place pipe lining, pipe bursting, and directional drilling), computerized modeling, nutrient removal, CSO separation, and SSES programs.

We specialize in helping clients address new regulatory requirements and discharge permit limits through operational improvements, modernization of equipment, and constructed solutions. Our capabilities include process evaluation, facility condition assessments, energy efficiency upgrades, sludge dewatering and solids handling, septage receiving and treatment, and development of capital improvement plans. Weston & Sampson is actively involved in managing project implementation, securing regulatory approvals, and obtaining project funding.

Our extensive experience with collection systems includes inspection, evaluation, I/I identification and removal, flow monitoring, and data analysis. We are certified by the National Association of Sewer Service Companies (NASSCO) under their Pipeline and Manhole Assessment and Certification Programs. Furthermore, we offer constructability reviews, biddability analyses, and value engineering to ensure quality and cost-efficient project outcomes.