31 State St.,
3rd Floor
Boston, MA 02109
(617) 603-0177

Tetra Tech has provided planning, engineering, and environmental consulting services in Massachusetts for more than 30 years.

Our teams have earned a reputation for delivering sensitive and complex projects with an eye toward sustainability and constructability. Our sustainable infrastructure practice includes more than 150 professionals managing projects across Massachusetts, Connecticut, New York, and Rhode Island. Our highly skilled technical experts offer in-depth qualifications in civil and utility; municipal infrastructure; environmental and transportation engineering; urban and waterfront planning; and environmental permitting, assessment, remediation, and compliance. They represent a powerful local resource providing clear solutions to complex problems in water, environment, sustainable infrastructure, and renewable energy. Backed by the global expertise of Tetra Tech’s 21,000 associates worldwide, we are Leading with Science® to provide innovative solutions for our clients.




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Tetra Tech’s full complement of land development services ranges from acquisition due diligence to planning, permitting, design, and construction management. We offer technical expertise; full knowledge of best practices and applicable laws, regulations, and codes; and seasoned management to guide even the most challenging land development programs to fruition.

Tetra Tech’s ability to provide unmatched client services with an eye toward constructability sets us apart from other firms. We streamline the development process and ensure a smooth transition to construction by involving experienced construction managers in the design process and field training our design staff.

  • Acquisition due diligence
  • Bidding and contractor negotiations
  • Construction oversight
  • Expert witness services
  • Facility and site infrastructure design and engineering
    • Biodigester site design
    • Solar site design
  • Land use planning
  • Owner’s representation
  • Peer review
  • Procurement assistance
  • Property condition assessment
  • Public involvement support
  • Site feasibility studies

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Clean drinking water and effective management of wastewater and stormwater are essential to life, public health, safety, and the environment. For more than 50 years, Tetra Tech has helped provide safe, abundant water supplies; wastewater collection and treatment systems; and stormwater management, including green infrastructure. We combine state-of-the-art techniques with demonstrated best practices to help clients meet their objectives in a way that maximizes the benefit of their investment.

Tetra Tech supports municipal clients in designing resilient infrastructure to meet the future needs of their communities, while adhering to local, state, and federal regulations. Our civil and environmental engineers have expertise in the design of water, wastewater, and stormwater utilities to support healthy, vibrant communities.

Water Treatment

Tetra Tech’s integrated approach to water resources management helps clients create a reliable, modern road map for their water systems. Whether our clients are maintaining or improving existing water supply infrastructure, planning new construction to expand capacity or enhance water quality, or seeking to minimize lifecycle costs, Tetra Tech provides sustainable solutions to complex drinking water challenges.

  • Water treatment facility planning, design, monitoring, and construction
  • Watershed management
  • Groundwater resource protection
  • Conventional and high-rate filtration
  • Treatability studies
  • Desalination
  • Safe Drinking Water Act compliance
  • Aquifer storage and recovery
  • Instrumentation and control systems (SCADA)
  • Management consulting including financial planning and rate studies, and threat and vulnerability assessments
Water Distribution

With a professional focus on water resources management, Tetra Tech has extensive experience in the planning, design, and construction management of small-diameter and large-diameter water transmission.

  • Water main replacement
  • Trenchless technologies
  • Water distribution design
  • Transmission main extension and replacement
  • Open trench, directional drill, jack and bore, pipe bursting, and microtunnel construction methods
  • Computer modeling
  • Subaqueous crossings
  • Pressure districts
  • Water audits
  • Metering facilities
  • Meter accuracy programs
  • Water conservation plans
Wastewater Treatment

Tetra Tech’s wastewater treatment specialists combine their expertise in the design and operation of biological, physical, and chemical processes to meet our client’s needs for effective, efficient treatment facilities. Our engineers regularly perform hands-on process energy audits, comprehensive performance evaluations, and plant optimization.

  • Asset management
  • Wastewater treatment facility planning, design, monitoring and construction
  • Management consulting including financial planning and rate studies, and threat and vulnerability assessments
  • Biosolids and organics management
  • Odor control
  • Disinfection and dechlorination
  • Process troubleshooting
  • Instrumentation and control systems (SCADA)
  • Regulatory compliance
  • Operations start-up and training
Wastewater Collection

Tetra Tech is routinely involved with the evaluation, planning, design, and construction of wastewater collection and conveyance systems. Our work in wastewater collection includes long-term planning for combined and sanitary systems impacted by wet-weather flow, as well as design and construction-phase services for both new and rehabilitated sewers, force mains, interceptors, and pumping stations.

  • Facility planning, design, monitoring, and construction
  • Replacement and rehabilitation of sewers and trunks/interceptors
  • Infiltration and inflow (I/I) studies
  • Sewer separation
  • CIPP lining and CCTV
  • Capacity, condition, and operation and maintenance (O&M) assessments
  • Combined sewer overflow (CSO) and sanitary sewer overflow (SSO) studies
  • Odor investigation and abatement
  • Pipeline routing studies and environmental assessments for new sewer systems
  • Gravity/manhole system design
Green Infrastructure

Tetra Tech’s thorough experience with green infrastructure (GI) includes implementing a wide range of solutions that support regulatory compliance, increase resilience, and provide community enhancements. As the focus of stormwater management has continued to evolve and move toward distributed solutions of GI, Tetra Tech has partnered with numerous clients to assess, plan, design, and implement innovative GI practices.

  • Site identification, evaluation, and prioritization
  • Optimization modeling
  • Conceptual design and cost estimates
  • Design plans and specifications
  • Operation and maintenance guidance
  • Construction management and inspection
  • Post-construction monitoring
  • Effectiveness assessment
  • Public outreach
  • Private property coordination
  • Design manuals
  • Code and ordinance review
  • Design standards and sizing criteria

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Tetra Tech helps clients comply with environmental regulations at the local, state, and federal level. We resolve impact assessment and permitting issues associated with water resources, wetlands, land use, and threatened and endangered species, from the early identification of risks to the proper mitigation of impacts during construction. Our specialists are well-versed in the National Environmental Policy Act (NEPA) and Massachusetts Environmental Policy Act (MEPA) processes. In addition, we specialize in wetlands, erosion control, and stormwater management, including the preparation of Stormwater Pollution Prevention Plans (SWPPP) in support of National Pollutant Discharge Elimination System (NPDES) General Permits for construction activities. Our firm is also skilled in obtaining Massachusetts Department of Environmental Protection Chapter 91 licensing, water quality certifications, and U.S. Coast Guard bridge permits.

  • MEPA and NEPA compliance
  • Impact assessment and compliance
  • Wetland and waterways permitting
  • Stormwater management
  • Wetland mitigation design
  • Erosion and sediment control design
  • Resource area identification and mapping
  • Habitat restoration
  • Construction inspection and supervision
  • Chapter 91 waterways licensing and compliance

Tetra Tech has extensive experience in the management of hazardous materials, toxic chemicals, and oil and petroleum products. Our firm offers the full complement of remediation, assessment, and compliance services, from preliminary investigation to remedial design and implementation. We help clients avoid potential liabilities and minimize remediation costs throughout the project life cycle and navigate the state and federal regulatory processes to bring sites to closure. Tetra Tech also helps clients maintain environmental compliance. Our services encompass environmental, health and safety, wastewater discharges, air emissions, waste disposal practices, storage tank compliance, and OSHA requirements.

  • Massachusetts Licensed Site Professional (LSP) services
  • Connecticut Licensed Environmental Professional (LEP) services
  • Environmental site assessments
  • Subsurface investigations
  • Per- and polyfluoroalkyl substances (PFAS) assessment and remediation
  • Asbestos abatement
  • Storage tank management
  • Risk assessment
  • Brownfield redevelopment
  • Remedial design and construction
  • Remedial system operation maintenance
  • Hazardous building materials survey
  • Due diligence/property transfer audits
  • Environmental compliance audits
  • Environmental management systems
  • Environmental health and safety
  • Public involvement support
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Tetra Tech has worked at the regional, national, municipal, and local levels to develop site-specific analyses and strategic recommendations to improve the resilience of communities. Our expertise spans the continuum of resilience—helping cities, towns, and regions prepare for, withstand, and respond and adapt to climate change. Our Massachusetts Vulnerability Preparedness (MVP) certified professionals are ready to help communities and private clients assess vulnerabilities to coastal and riverine storm damage, as well as impacts on water, sewer, and transportation infrastructure. Tetra Tech’s design team has incorporated sustainability features related to utilities, coastal protection, site drainage, and stormwater management.

  • Waterfront resilience planning
  • Infrastructure asset impact assessment
  • Green infrastructure design
  • Public outreach and coordination
  • Living shoreline design
  • Vulnerability assessment
  • Hydrologic and hydraulic modeling

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Tetra Tech’s professional transportation planners, traffic engineers, highway engineers, and structural engineers support all phases of infrastructure development. We have completed a wide range of projects, from the rehabilitation of small rural roadways to the construction of complex interstate highway, bridge, urban corridor, and signal system improvements. Our teams are skilled in addressing challenging constructability issues; balancing the needs of motorists, bicyclists, pedestrians, and transit users; and building consensus for the preferred alternative. Tetra Tech manages the technical, regulatory, and public process needs of transportation projects with a full complement of services.

  • Highway and roadway design
  • Bridge rehabilitation
  • Transportation planning
  • Traffic signal systems
  • Intersection improvements
  • Traffic impact studies
  • Road and intersection safety audits
  • Stormwater management
  • Public involvement support
  • Procurement assistance
  • Construction oversight

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Tetra Tech’s highly experienced professionals counsel clients on approaches to planning and development projects, providing advice on effective strategies for facilitating approvals, and managing the public review and community participation processes. Fort Point Associates, A Tetra Tech Company, has established itself as a leader in managing urban and waterfront master plans, institutional expansions, private real estate developments, and complex public infrastructure improvements.

We have earned a reputation as a leader in harbor planning due to our in-depth understanding of the emerging issues of climate change and resilience, Massachusetts Chapter 91 regulations, and the mechanisms through which cities and towns can tailor them to their unique needs. We work collaboratively with all agencies and interested parties to balance commercial, residential, and public interests to create vibrant, prosperous waterfronts and generate strong, long-term, and realizable visions for the future.

  • Waterfront development planning
  • Land use planning and analysis
  • Institutional master plans
  • Conceptual site analysis
  • Site feasibility analysis
  • Master planning
  • Municipal harbor planning and Massachusetts Designated Port Areas
  • Municipal ordinances and land use regulation
  • GIS analysis