
Wastewater Clarifier System Upgrades
Immokalee, FL
Services for wastewater clarifier system upgrades.

PFAS at Wastewater Treatment Facilities and Landfill Leachate
VTDEC
Sampling and analysis of landfill leachates; WWTF influent, effluent, and sludge; and septage at several facilities for the presence of PFAS.

Digester Evaluation
Rutland, VT
Digester and pump station evaluation, and renewable energy study.

Design of Biogas System
Private Client, Exeter, ME
Anaerobic digester design.

Water Pollution Control Facility Upgrade
Southbury, CT
Design & construction services for the Biological Nutrient Removal Upgrades at Heritage Village Water Pollution Control Facility.

DBO Wastewater Treatment Plant
Private Development
Design/build/operate of a residential-mixed use wastewater treatment facility.

Owner’s Engineer for WWTF DBO Improvements
Woonsocket, RI
Owner’s engineer services for procurement of DBO contract at Woonsocket WWTF.

Wastewater Treatment Facility Upgrade
Newburyport, MA
Newburyport, MA
Wastewater treatment facility modernization, with LEED Gold-certified Operations building.

Good planning and effective communication between project partners have proven to be the keys to operations success with the seasonal variations in a school’s onsite #wastewatertreatment system. Weston & Sampson’s Bill Idarola explains the factors to consider, in this issue of High-Profile magazine.

Michael Smith, PE co-authored an article in Journal of the New England Water Environment Association entitled “Performance of DAF Thickening for FOG Removal in Liquid Soap Manufacturing.” A contract manufacturer of soap and skincare products in Vermont needed to reduce its fats, oils, and grease (FOG) load to the local wastewater treatment plant in Essex. To achieve that goal, the manufacturer turned to a pretreatment process technology, dissolved air flotation (DAF), to lower the FOG prior to discharge to the town’s wastewater collection system.

THE US EPA HAS JUST ANNOUNCED NEW HEALTH ADVISORIES FOR FOUR PFAS COMPOUNDS, WITH THE VALUES BEING QUITE LOW FOR PFOA AND PFOS.



Trenchless Technology Magazine has once again included us in the Top 50 Trenchless Design Firms list. Weston & Sampson ranks 25th for 2021.

Weston & Sampson’s Steve LaRose will be co-chairing a webinar entitled “What About the Other End of the Pipe?” on Tuesday, February 15, 2022.

Pat Cotton and Patrick Yeo, PE join Dan Rowley, of the Town of Shrewsbury, MA DPW in a recent I&I Magazine article titled “Expecting the Unexpected.”