Business Details
22 Years
experience
Emergency
services
Environmental & Engineering Services in Mansfield, MA
Founded in 2004, OHI Engineering is a client-focused environmental and civil engineering firm dedicated to delivering tailored solutions that exceed expectations. Our team of licensed professionals combines over 120 years of collective experience to address complex engineering and environmental challenges across industrial, municipal, and private sectors. Specializing in environmental assessments, remediation, and infrastructure design, we prioritize regulatory compliance, sustainability, and cost-effectiveness while fostering long-term client relationships. With offices in Mansfield and Amherst, Massachusetts, we provide rapid response capabilities throughout New England.Our staff includes geologists, environmental scientists, and civil engineers with an average of 25+ years of expertise, ensuring technically sound and innovative solutions. Client testimonials highlight our ability to manage high-stakes projects like $60M expansions and urgent contamination cases efficiently. We maintain licenses in multiple states and adhere to rigorous standards, including Massachusetts Contingency Plan compliance. From site investigations to construction oversight, our multidisciplinary approach ensures projects meet technical, environmental, and budgetary goals while maintaining transparent communication with stakeholders.
Services
Environmental Assessments
Remediation Systems
Geotechnical Investigations
Stormwater Design
Underground Storage Tanks
Hydrogeological Studies
Site Remediation
Construction Oversight
Regulatory Permitting
Emergency Response
Details
- Year established: 2004
Highlights and features
- 120+ years combined experience in environmental engineering
- Licensed professionals in 4 New England states
- Proven success with complex $60M+ projects
- Rapid response for emergency environmental incidents
- Specialized remediation expertise for diverse contaminants
Associations and certifications
- Licensed Site Professionals
- Professional Engineers
- Professional Geologists
- Waste Water Treatment Plant Operators
What people say
Incredible support
Outstanding partner
Successful role
Timely closure
Reasonable services
Services
Environmental Assessments
Our licensed professionals conduct comprehensive Phase I and II environmental site assessments to identify contamination risks and regulatory compliance requirements. Utilizing advanced hydrogeological analysis and historical records, we provide actionable reports for commercial, industrial, and residential properties. Our assessments form the foundation for remediation strategies while ensuring adherence to Massachusetts Contingency Plan and other regional regulations.
Soil Remediation
We design and implement customized remediation solutions for soil contamination including excavation, thermal desorption, and bioremediation. Our team selects methods based on site-specific conditions, successfully addressing petroleum spills, chlorinated solvents, and hazardous material releases. With expertise in regulatory closure processes, we ensure cost-effective resolution of complex contamination cases within strict timelines.
Stormwater Management
Our civil engineers specialize in stormwater system design and erosion control for residential and commercial developments. From SWPPP plans to infrastructure permitting, we create sustainable solutions that prevent flooding and environmental damage. Recent projects include systems for elderly housing complexes and commercial subdivisions across Massachusetts.
Geotechnical Engineering
We provide subsurface investigations and foundation recommendations through comprehensive geotechnical assessments. Our services support residential, commercial, and infrastructure projects with data-driven solutions for soil stability, bearing capacity, and construction challenges. Expertise includes septic mounding analyses and aquifer modeling for water supply projects.
Emergency Response
Our team rapidly addresses environmental emergencies including fuel spills, chemical releases, and contamination incidents. With 24/7 readiness, we implement containment measures and develop remediation plans that meet regulatory requirements. Recent successes include closing a complex soil contamination case within 60 days through targeted lab analysis and regulatory negotiation.
People
Jim Borrebach
Principal
With 38+ years of experience, Jim specializes in environmental remediation and civil engineering projects. Licensed in three states, he manages complex site cleanups and infrastructure developments while maintaining active involvement in professional organizations and environmental art initiatives.
Brian G. Snow
Senior Project Manager
A 28-year environmental engineering veteran, Brian focuses on site remediation and regulatory compliance. His expertise includes groundwater treatment and risk assessment. He previously served on the Medway Conservation Commission and specializes in closing challenging contamination cases efficiently.
Lyons Witten
Regional Manager
With 34 years of hydrogeology experience, Lyons manages hazardous waste projects and water supply initiatives. His expertise includes aquifer modeling and regulatory permitting. He actively participates in local water supply protection and has overseen hundreds of remediation projects.
Douglas C. Morrison
Senior Project Manager
Doug brings 39 years of environmental engineering experience, specializing in field operations and remediation implementation. His career spans nationwide projects involving pipeline utilities and petroleum spills. Outside work, he's recognized for restoring classic motorcycles with multiple competition awards.
Questions
What environmental services does OHI Engineering offer?
We provide comprehensive services including site assessments, remediation systems, groundwater studies, and regulatory compliance for industrial, municipal, and residential clients.
Do you handle emergency environmental incidents?
Yes, our team responds to urgent contamination cases like fuel spills and chemical releases, with proven success closing complex cases within 60 days.
Which states do you serve?
We operate throughout New England with licensed professionals in Massachusetts, Connecticut, and New Hampshire, serving Rhode Island and Vermont projects.
How experienced is your team?
Our staff averages 25+ years of experience, with 120+ combined years among leadership and multiple licensed professionals in engineering and geology.
Can you manage large-scale development projects?
Yes, we've successfully completed $60M+ projects including residential complexes and commercial developments with full permitting and construction oversight.
