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DTC has conducted extensive wastewater system evaluations and designs for municipal and private clients throughout New England. From Sewer System Evaluation Studies (SSES), and Infiltration and Inflow Studies (I&I), through complete wastewater treatment plant design, our experienced multi-discipline team provides our clients with turnkey wastewater solutions. Our specialized experience in Combined Sewer Overflow (CSO) abatement includes computerized sewer system modeling, design of automated on-line and offline CSO storage and treatment facilities, as well as combined sewer separation design, all in highly urbanized areas.

Study and design of sanitary sewage pumping stations and associated pressure sewer systems is a particular specialty of the firm. DTC’s experience includes vacuum primed, submersible and wet pit/dry pit stations, with both constant and variable speed drive systems. From rehabilitation of existing pump stations, to design of new low pressure sewer systems, DTC’s experienced staff understands the particular technical needs and inevitable cost constraints associated with every project.

Offering a complete package of planning, design and construction services, our team brings state-of-the-art design upgrades to yield high-level efficiencies in aquifer evaluation, source water quality assessments, domestic and fire flow requirements, distribution systems, storage systems, pre-treatment and permitting.

DTC’s talented team has designed treatment plants, transmission and distribution pipelines, pump stations and pressure regulate facilities. We also provided regulatory review, compliance, permitting, source identification and capacities.