Built to spec
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Underground Stormwater Systems are buried detention and infiltration systems that store and manage runoff beneath a site. Harrowgate Group self-performs the work to your engineered drawings, load, and finish, and completes it on site across Clarington, the GTA, and Ontario.
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Built to your engineered drawings, survey, and the real site conditions, not a standard package forced to fit.
Heavy-duty steel and finishes chosen for the load, traffic, and environment on site.
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Installation and site work completed in accordance with Ontario requirements.
Underground Stormwater Systems are buried detention and infiltration systems that store and manage runoff beneath a site. Every underground stormwater systems project Harrowgate Group takes on in Clarington is scoped to one site, the ground, the loads, and the constraints assessed first, then the work completed to grade.
Clarington underground stormwater systems work centres on sites with limited surface space. Managing stormwater underground where surface space is tight are the recurring drivers; each Clarington project is sized to its own situation, not a one-size approach.
Demand for underground stormwater systems in Clarington (Durham Region) comes mostly from energy and nuclear, logistics and industrial, aggregates, and greenfield employment development. Clarington combines the Darlington energy lands with fast 407-driven greenfield industrial growth around Bowmanville and Courtice. Work centres on energy-site civil, greenfield servicing, mass excavation, and roadworks.
Activity clusters in the Bowmanville and Courtice areas, the energy lands, the 401/407 corridor, and the Clarington employment lands. Much of the Clarington work is for energy operators, developers, aggregate operators, and the Municipality of Clarington, each needing the job built to the drawings, to code, and documented.
Across Clarington, underground stormwater systems covers a real range of property, energy and nuclear, logistics and industrial, aggregates, and greenfield employment development. Each calls for a different response, so Harrowgate Group scopes every Clarington project to the building and its use rather than one playbook.
What shapes a Clarington project is nuclear and energy-site standards, 407-extension servicing, and rural-to-industrial greenfield grading. Each Clarington project has the methods, materials, and equipment chosen for that environment, matched to the site instead of a one-size approach.
Harrowgate Group keeps Clarington underground stormwater systems on schedule, from quote to crew on site with fast mobilization, then built to grade and documented through to completion.
Harrowgate Group runs each Clarington project by the book, survey and layout from the drawings, locates and shoring where needed, the work built to spec, then compaction, finishing, and clean-up, with hold points checked before the next stage.
Harrowgate Group works directly with the engineers, architects, city planners, and consultants a Clarington underground stormwater systems project involves. Structural and civil engineers, geotechnical consultants, surveyors, and municipal reviewers all feed the same plan, and Harrowgate Group builds to it, coordinating submittals, inspections, and approvals so the Clarington project moves through design, permitting, and construction without gaps between the parties.
Representative Clarington work: underground stormwater systems for sites with limited surface space, often near the Bowmanville and Courtice areas and clients like energy operators, handled end to end and fully documented. Harrowgate Group also serves nearby Oshawa, Whitby, Port Hope, so projects spanning the surrounding area stay with one team.
Every Clarington underground stormwater systems project is built to the engineered drawings and the applicable codes, methods, materials, and compaction or load results documented so the work is verifiable, not assumed.
What keeps Harrowgate Group busy with Clarington underground stormwater systems: fast fast mobilization, licensed, insured, and fully WSIB-covered work, full documentation, and a team, with 20 years serving the area that knows the Bowmanville and Courtice areas, the energy lands, the 401/407 corridor, and the Clarington employment lands firsthand.
Put simply, Underground Stormwater Systems are buried detention and infiltration systems that store and manage runoff beneath a site. For Clarington projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Clarington and the surrounding area. Response time is fast mobilization.
Across Clarington, the work concentrates around the Bowmanville and Courtice areas, the energy lands, the 401/407 corridor, and the Clarington employment lands, each job scoped to its own conditions.
Mostly energy and nuclear, logistics and industrial, aggregates, and greenfield employment development, Harrowgate Group serves developers, contractors, municipalities, and property owners across Clarington.
In Clarington, the work accounts for nuclear and energy-site standards, 407-extension servicing, and rural-to-industrial greenfield grading, so the methods, materials, and equipment is matched to the site.
Stormwater storage, and in Clarington, spec'd to the load and environment on site.
Harrowgate Group responds to Clarington with fast mobilization, covering the Bowmanville and Courtice areas, the energy lands, the 401/407 corridor, and the Clarington employment lands and the surrounding area.
All of Clarington, the Bowmanville and Courtice areas, the energy lands, the 401/407 corridor, and the Clarington employment lands and the surrounding neighbourhoods, plus nearby Oshawa, Whitby, Port Hope.
Yes, Harrowgate Group handles energy and nuclear, logistics and industrial, aggregates, and greenfield employment development across Clarington, from focused scopes to full builds, each set to its own site and drawings.
Cost depends on the site conditions, the ground, the scope, and the engineered requirements, Harrowgate Group reviews the drawings and the site for each Clarington project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Clarington underground stormwater systems on site and provides a documented scope before any work begins.
Real knowledge of Clarington, the Bowmanville and Courtice areas, the energy lands, the 401/407 corridor, and the Clarington employment lands, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Durham Region since 2006, 20 years of hands-on experience.
Harrowgate Group surveys and scopes it on site, builds the work to the engineered drawings and the applicable codes, and completes it to grade, handled by one accountable team across Clarington.
Yes, Harrowgate Group builds the work across Clarington and the surrounding area and manages it end to end, coordinating any engineers, consultants, and municipal approvals the project needs. We do the work, not just hand it off.
Commercial and heavy-civil construction, self-performed for developers, contractors, property managers, and municipalities.
Send drawings, a site plan, or a description of the scope. Harrowgate Group is licensed, insured, and WSIB certified.
Licensed, Insured & WSIB Certified · Self-performed and documented on every job
Tell us what you need and we’ll get you a quote. Licensed, insured & WSIB certified · Free, no-obligation quote & on-site assessment.
Harrowgate Group provides underground stormwater systems, delivered and installed with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Harrowgate Group delivers commercial and heavy-civil construction for developers, contractors, institutions, municipalities, and property groups across Ontario.