Experience Wastewater Treatment

Methuen Construction has extensive experience and expertise in the building and expansion of Wastewater Treatment Facilities. The company has worked with numerous cities and towns in the Northeast to upgrade aging facilities to meet environmental protection standards, and to expand facilities to incorporate the latest technological advancements. The Company has been diligent in developing the skills and competencies necessary to meet the requirements of modern plants such as Anaerobic Digestion, Combined Sewage Overflow and Nutrient/Phosphorus Removal. Methuen Construction has the skills and expertise to build cutting-edge Wastewater Facilities from the ground up.


SESD Primary Clarifiers - Salem, MA
This project consists of restoring seven primary clarifier tanks and primary influent and effluent channels at the wastewater treatment plant in Salem, MA.Read More
SESD Wastewater Treatment Plant Upgrade - Salem, MA
This project includes upgrades and improvements to the wastewater treatment plant in Salem, MA.Read More
Merrimack Wastewater Treatment Facility Upgrade Phase III - Merrimack, NH
This project includes the upgrading of the Town of Merrimack's Wastewater Treatment Facility, Souhegan Pump Station and Thornton's Ferry Pump Station.Read More
Kingston Wastewater Treatment Plan Expansion - Kingston, MA
This project involves an expansion of the Kingston Wastewater Treatment Plant from a current treatment capacity of 375,000 GPD to 700,000 GPD.Read More
Billerica Phase 3 Water Resource Recovery Facility - Billerica, MA
This project is a complete replacement of the existing operations building at the main wastewater treatment facility as well as upgrades to the Salem Road and Waterview Avenue Sewer Pump Stations.Read More
Marion Wastewater Treatment Facility - Marion, MA
This project is improving and modifying the lagoon system at Marion's Wastewater Treatment Facility.Read More
Primary Clarifier Tank Upgrades - Nashua, NH
This project includes the upgrading of the primary clarifier tank at the City of Nashua's Wastewater Treatment Facility.Read More
WWTF Energy Recovery Upgrades - Nashua, NH
This project includes the upgrading of the Energy Recovery at the Nashua Wastewater Treatment Facility.Read More
Vernon Water Purification Control Facility Upgrade - Vernon, CT
The project is upgrading and retrofitting the water purification control facility in Vernon, CT.Read More
Pittsfield Water Treatment Plant Nutrient Removal - Pittsfield, MA
This project is constructing a tertiary nutrient removal system at Pittsfield's Wastewater Treatment Plant.Read More
Peirce Island Wastewater Treatment Facility Upgrade - Portsmouth, NH
The project is the largest in Portsmouth, NH history with a design flow of 6.1 million gallons per day. Read More
Newburyport Odor Control System - Newburyport, MA
Construction of a new 20,000 cubic feet per minute bio-filter building and odor control systemRead More
Hartford Dry Ash Handling & Loading Facility - Hartford, CT
Construction of a handling & loading facility at The Metropolitan District Water Pollution Control Facility. Read More
Newburyport Pump Station Construction - Newburyport, MA
This very successful project constructed a new pump station on-time and on budget.Read More
Nashua Combined Sewer Overflow Facility - Nashua, NH
Prevention of sewer overflow to the Merrimack River and EPA compliance were the goals of the project.Read More
Manchester Primary Clarifier Upgrades - Manchester, NH
Three primary clarifiers and gravity thickeners were upgraded at the wastewater treatment plant.Read More
Westborough Major Upgrades and Expansion - Westborough, MA
This large treatment plant project completed under budget and 3 months ahead of schedule. Read More
Killingly Bio-Filter Odor Control System - Killingly, CT
The improvements allow air from all primary odor sources to be connected to the new odor control system.Read More
Attleboro EPA Mandated Upgrades - Attleboro, MA
A close partnership with Attleboro’s Water Department ensured adequate wastewater flow.Read More
Wareham Water Pollution Control Facility - Wareham, MA
Wareham's treatment facility was required to comply with more stringent nitrogen and phosphorus limits.Read More
North Andover Force Main Replacement - North Andover, MA
Installation of 2500’ of 72" Force Main Hobas Pipe and upgrade of Riverside Pumping Station. Read More
Nashua Storm Flow Improvements - Nashua, NH
Construction of a 16 million gallon per day influent pump station improved storm flow control.Read More
Marlborough Complex Treatment Plant Upgrade - Marlborough, MA
The project included the construction of a new phosphorous removal system and expansion of the facility.Read More
Hopedale Ultraviolet Disinfection System Upgrade - Hopedale, MA
This project includes replacement of an ultraviolet disinfection system, and two new secondary clarifiers.Read More
North Andover Pump Station Improvements - North Andover, MA
The improvements increase pumping capacity from 135 million gallons per day to 165 million gallons per day..Read More
Worcester Sewer Pump Station - Worcester, MA
A new Whitla Drive pump station is being built since the current station cannot handle overflow events.Read More
Middleborough Water Pollution Control Upgrade - Middleborough, MA
The project meets stringent federal standards for lower phosphorous and nitrogen discharge.Read More
Leominster Biological Nutrient Removal System - Leominster, MA
The installation of an Actiflo Nutrient Removal system allowed the town to meet EPA guidelines.Read More
Franklin Plant Energy Efficient Upgrades - Franklin, NH
The project installed three positive displacement-style blowers and four turbo blowers.Read More
Fitchburg Aerated Grit Removal System - Fitchburg, MA
All daily processing functions were relocated via a by-pass allowing regular operations to continue.Read More
Billerica Energy Efficient Upgrades - Billerica, MA
Upgraded components including three 100 HP wastewater pumps, wet well monitoring, SCADA and VFD systems.Read More
Bangor Butterfly Valve Removal and Replacement - Bangor, ME
This project removed and replaced the aging butterfly valve at the Kenduskeag Pump Station.Read More
Rockport Sewer Pump Station Upgrade - Rockport, MA
The leakage threat to an adjacent beach required a complete overhaul of a sewer pump station.Read More
North Andover Complex Pump Replacement - North Andover, MA
A pump at the Riverside Pump Station was removed, completely rebuilt, and then reinstalled.Read More
Manchester Boiler Removal and Replacement - Manchester, NH
Replaced three oil-fired boilers with a new four-unit gas-fired hydronic heating plant. Read More
Chicopee Pollution Control Facility Upgrade - Chicopee, MA
The project repaired the critical secondary clarifiers at the Chicopee water pollution control facility.Read More
Worcester Sewer Catch Basin Cleaning - Worcester, MA
The project not only involved cleaning of the catch basin, but the replacement of valves and pipes as well.Read More
West Lynn Phase III Sewer Separation - Lynn, MA
Project scope includes construction of a 44-foot deep, concrete-filled pipe pile supported, 96 MGD stormwater pump station, including 1,000 foot micro-tunnel for 54-inch forcemain and 72-inch drain in Commercial Street.Read More
Gloucester Flood Control - Gloucester, MA
Methuen Construction is constructing a flood resiliency system at the water pollution control facility.Read More
North Brookfield Wastewater Treatment Facility - North Brookfield, MA
Methuen Construction is upgrading the existing wastewater treatment plant and constructing a new Administration and Lab building.Read More
Littleton Water Resource Recovery Facility - Littleton, MA
Methuen Construction is constructing a new water resource recovery facility in Littleton, MA.Read More