Waste Management, Inc. is the largest waste management company in the United States. EST provided water quality monitoring and related field services at the 1,300-acre Turney Landfill site in Rochester, NH.
EST was contracted by the City’s engineering consultant to perform CCTV investigations SSES associated with a SSO Mitigation Project in Waltham, MA.
Pease International Tradeport was developed as a result of the redevelopment of the former Pease Air Force Base which was closed under Base Realignment and Closure (BRAC) Commission action in the late 1980s and early 1990s. As part of an extensive environmental remediation effort, comprehensive environmental sampling programs have been established to monitor the movement of plumes containing chlorinated solvents, heavy metals, PCBs, and other contaminants. As part of this initiative, EST performed environmental sampling and monitoring services at the expansive site over a six-year period.
Retail Petroleum Sites – Water Quality Sampling, Multiple Sites in New Jersey, Massachusetts, and New Hampshire
EST has been contracted to collect groundwater samples from multiple Exxon/Mobile, and Shell Oil retail petroleum sites located in New Jersey, Massachusetts, and New Hampshire. During the course of these contracts, EST collected hundreds of samples from groundwater wells located on seventy-eight (78) sites.
Stratford, CT maintains a water pollution control facility that can process up to eleven (11) million gallons per day. As part of an Inflow/Infiltration (I/I) study, EST installed and maintained forty-four (44) open channel flowmeters, and two (2) rain gauges during an eight (8) week study period.
EST was contracted by the city’s engineering consultant to perform field services associated with the Lake Avenue Area Sewer System I/I project.
Massachusetts Water and Resources Authority, Chelsea, MA – Sewer Flow Monitoring and Data Collection
The Massachusetts Water Resources Authority (MWRA) is the largest wastewater authority in New England and treats sewerage from forty-three (43) cities and towns in the Greater Boston area. EST was awarded contracts by the MWRA to install, program, calibrate, and maintain temporary open channel flowmeters at locations throughout the authority’s collection system.
Waste Management, Inc. – Environmental Monitoring, Wheelabrator Shrewsbury Ash Landfill, Shrewsbury, MA
The Wheelabrator Shrewsbury ash monofill is a commercial facility that provides ash disposal to the Wheelabrator Millbury facility and several other waste-to-energy plants in the region. EST provided water quality monitoring and related field services including groundwater sampling, surface water sampling, and leachate monitoring. EST measured static water level, pH, temperature, conductivity, oxidation reduction potential (ORP) and dissolved oxygen prior to sample collection.
EST was contracted by the Town of Needham’s engineering consultant to perform field services associated with a Sewer Inflow/Infiltration Investigation.
The North Hudson Sewerage Authority (NHSA) serves the cities of Hoboken, Union City, Weehawken, and West New York, New Jersey. Infiltration and illicit flows have been persistent problems throughout the system which includes approximately one-hundred (100) miles of sewer line. EST was contracted by the City’s consultant to perform flow monitoring services in order to monitor sewer flows in Hoboken, Jersey City, and West New York.
Republic owns or operates 195 active landfills in the United States including several in Massachusetts. EST provided water quality monitoring and related environmental field services at Massachusetts landfills in Chicopee, East Bridgewater, Fall River, Halifax, Plainville, and Randolph. EST’s services included field measurements of static water level, pH, temperature, conductivity, oxidation reduction potential (ORP) and dissolved oxygen prior to sample collection.
Chicopee is the second largest city in Western Massachusetts. For decades, the City of Chicopee’s combined sewers have discharged untreated sewage and storm water into the Chicopee and Connecticut rivers. EST was contracted by the City’s engineering consultant to perform flow monitoring services in order measure and record combined sewer overflows within the City’s collection system.
EST performed flow monitoring at eleven (11) locations throughout the town of Braintree, MA. These systems were equipped with wireless telemetry to facilitate real time data acquisition by means of a password protected website.
New Hampshire Department of Environmental Services (NHDES), Winnipesaukee River Basin Flow Monitoring Program (WRBP)
The Winnipesaukee River Basin Program (WRBP) is a state-owned system in the Lakes Region of the state that includes fourteen (14) wastewater pumping stations, approximately fifty-five (55) miles of large diameter interceptor sewers and a wastewater treatment facility (WWTF) in Franklin, NH treating an average of five (5) million gallons of wastewater per day. EST was contracted to perform flow monitoring at locations though the collection system.
EST was contracted by the Town’s engineering consultant to identify potential Inflow and Infiltration sources within the Town’s collection system. Services included: continuous flow monitoring at multiple locations throughout the Town and CCTV inspections of more than one-hundred and fifty thousand (150,000) linear feet of sewer line.
The primary purpose of low flow sampling is to purge and sample wells at rates comparable to ambient groundwater flow so that drawdown of the water level is minimized and mixing of stagnant water within the well casing is reduced.
Melrose operates and maintains two (2) water pump stations, eighty (80) miles of water, and seventy-eight (78) miles of sewer line. During a City-wide flow monitoring program in the spring of 2016, EST installed and maintained thirty (30) meters, five (5) groundwater gauges and a rain gauge for ten (10) weeks.
Casella Waste Systems is a Rutland, VT-based company that owns or operates fourteen (14) landfills in the Northeastern United States. EST performed water quality monitoring at Casella landfill sites in Worcester, MA Southbridge, MA and Hardwick, MA.
Soil/Sediment Project Spotlight Marion, MAEST was contracted to perform a sludge sampling project at the Marion, MA Wastewater Treatment Facility. The Town of Marion uses (2) five acre lagoons and (1) ten acre lagoon behind its wastewater treatment plant to naturally...
The Narragansett Bay Commission (NBC) is the largest wastewater authority in Rhode Island and is responsible for the operation of approximately eighty-nine (89) miles of combined sewer interceptors, many of which are over one-hundred (100) years old. For over a decade, EST was contracted by the commission to install, calibrate, replace, and maintain continuous flow monitoring and rain gauge equipment throughout the NBC service area.