Wengell, McDonnell & Costello, Inc.

Civil engineering and infrastructure consulting services in Connecticut and Western Massachusetts.

Website

About the firm

Founded in 1988, WMC Consulting Engineers is a 25-person privately owned consulting organization providing a full range of civil engineering, transportation, environmental, and construction management services to government, private, and industrial clients throughout Connecticut and western Massachusetts. It has served more than 120 Connecticut municipalities and state agencies, including the departments of transportation, energy and environmental protection, and public works, and has completed over 200 bridge projects in the region.

Established
1988
Team
Small
Firm type
Civil Engineering · Structural Engineering · Environmental Engineering · Transportation Engineering · Water / Wastewater Engineering · Geotechnical Engineering · Land Surveying

Credentials

NICET/NETTCP Certified Construction Personnel (10 staff) · Licensed Professional Engineers (10 PEs) · Licensed Land Surveyor

People

Jay CostelloPresident

Stephen McDonnellVice President

Keegan ElderVice President

Capabilities

Transportation and Infrastructure Engineering

Provides comprehensive planning and design for roadways, highways, and structural crossings, ensuring safe and efficient public transit routes.

  • Highway and Roadway Design

    Designs highways and municipal roads to meet regional safety, capacity, and environmental guidelines.

  • Bridge Design and Rehabilitation

    Performs structural inspection, replacement design, and rehabilitation for river crossings and pedestrian bridges.

  • Traffic Engineering and Analysis

    Analyzes vehicle flow, performs traffic studies, and designs safety improvements for intersections and transit corridors.

  • Pavement Management and Design

    Evaluates pavement conditions and designs long-term maintenance and reconstruction strategies.

Construction Management and Administration

Delivers complete construction oversight, quality assurance, and inspection services for public and private projects.

  • Construction Inspection and Field Supervision

    Provides certified personnel to perform on-site quality control, materials testing, and specification compliance.

  • Project Administration and Grant Funding Compliance

    Manages documentation and reporting for projects funded through state and federal grant programs.

Water Resources and Flood Control

Manages environmental water flows through hydrologic modeling, storm drainage systems, and structural containment.

  • Flood and Stormwater Management

    Designs municipal drainage networks, retention basins, and storm runoff systems.

  • Dam Rehabilitation and Inspections

    Conducts safety inspections and designs structural rehabilitations for historic dams and flood control reservoirs.

Water and Wastewater Engineering

Designs sanitary infrastructure, wastewater treatment systems, and clean water delivery mechanisms for municipal and private developments.

  • Water Supply and Main Improvements

    Plans and designs municipal water distribution networks and large-scale water main upgrades.

  • Wastewater Collection and Treatment

    Designs sanitary sewer collections, pump stations, and treatment facilities.

  • Low-Pressure Sewer Systems

    Develops specialized low-pressure sewer solutions for residential and lakeside communities.

  • Natural Wetland Wastewater Treatment

    Designs ecological, constructed-wetland systems for green wastewater treatment and recycling.

Environmental Engineering

Evaluates environmental impacts and secures regulatory compliance for infrastructure developments and public works.

  • Environmental Evaluations and Assessments

    Conducts baseline environmental impact studies, site evaluations, and feasibility assessments.

  • Environmental Permitting and Compliance

    Navigates local, state, and federal environmental regulations to secure necessary construction permits.

  • Solid Waste and Recycling Facilities Design

    Designs solid waste transfer stations, recycling centers, and associated environmental controls.

Site Planning and Facility Development

Transforms land parcels into functional spaces for public, institutional, and commercial uses from master planning to final site layout.

  • Commercial Site Development

    Designs commercial retail centers, office parks, and associated site infrastructure.

  • Athletic Facility and Complex Design

    Plans and designs regional athletic complexes, playing fields, and recreational facilities.

  • Municipal and Educational Facility Site Work

    Manages site planning, parking, and utility design for school campuses and public safety buildings.

  • Streetscape Improvements and Urban Design

    Enhances pedestrian corridors and town centers with custom streetscapes and aesthetic upgrades.

  • Greenway and Multi-Use Trail Design

    Designs multi-use paved and unpaved trails along natural and historic corridors.

Geotechnical Engineering and Surveying

Evaluates subsurface conditions and provides high-precision field measurement to establish accurate project boundaries.

  • Geotechnical Subsurface Investigations

    Conducts soil borings and subsurface analysis to support foundation and utility design.

  • Pre-Design Subsurface Utility Location Engineering

    Identifies and maps underground utilities prior to excavation or design.

  • Land Surveying and Boundary Mapping

    Establishes legal property lines, topography, and construction control points.

  • Computer Aided Design and Mapping

    Produces digital engineering drawings, base maps, and technical plans.

  • Geographic Information Systems Consulting and Training

    Provides software selection, implementation, and training services for municipal GIS users.

Industries

Government · Transportation · Education · Commercial · Industrial · Sports & Recreation · Parks & Open Space · Water Resources · Wastewater · Water Supply

Projects

Old Farms Road Bridge

Avon, CT · Client: Town of Avon

Project details

A 200-foot span structure over the Farmington River.

Farmington Valley Greenway, Burlington

Burlington, CT · Client: Town of Burlington

Project details

Two miles of greenway designed along the banks of the Farmington River.

Moodus Reservoir Dam

Client: Connecticut DEEP

Project details

A historic dam rehabilitation project.

Highland Lake Low Pressure Sewer System

Winsted, CT · Client: Town of Winsted

Project details

Design of a low-pressure sewer system.

Wengell, McDonnell & Costello, Inc. - Engineering Firms