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 Kingston, 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. In Kingston, Harrowgate Group takes on underground stormwater systems end to end: the site is surveyed and scoped, the work is built and managed on site, and the project is completed to the engineered plan.
In Kingston, underground stormwater systems are typically needed for sites with limited surface space. Managing stormwater underground where surface space is tight are the recurring drivers; each Kingston project is sized to its own situation, not a one-size approach.
Kingston's need for underground stormwater systems (Frontenac County) is driven largely by institutional and university, healthcare, government and correctional, and commercial development. Kingston's universities, hospitals, and government institutions anchor an institutional, healthcare, and commercial construction market on Lake Ontario. Demand centres on institutional site development, rock excavation, servicing, and concrete.
The work concentrates around the university and hospital district, the industrial parks, and the 401 corridor. Harrowgate Group regularly builds underground stormwater systems for Kingston clients like universities, hospitals, government, and the City of Kingston, each project carrying its own site and requirements.
Because Kingston spans institutional and university, healthcare, government and correctional, and commercial development, underground stormwater systems is never one-size: Harrowgate Group fits the method to the building type, age, and use on every project.
The Kingston variables that matter are institutional-campus standards, limestone bedrock and rock excavation, and heritage-core context. Harrowgate Group sets the methods, materials, and equipment for those exact conditions on every Kingston project, working to the site conditions and the engineered drawings rather than a regional default.
Programs slip when trades do not show. Harrowgate Group builds the Kingston underground stormwater systems work itself, so mobilization, sequencing, and completion stay with one accountable team, with fast mobilization to get moving.
Harrowgate Group runs each Kingston 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.
A Kingston underground stormwater systems project rarely involves one party. Harrowgate Group coordinates with your structural and civil engineers, architects, city planners, geotechnical consultants, and the municipal reviewers whose sign-off the work needs, building to the stamped drawings, honouring the design intent, and keeping the Kingston project aligned with what was engineered and approved.
A typical Kingston underground stormwater systems project pairs the work with local conditions: sites with limited surface space around the university and hospital district and clients like universities. Harrowgate Group tailors each project to the situation and documents it for the file. Harrowgate Group also serves nearby Napanee, Gananoque, Brockville, so projects spanning the surrounding area stay with one team.
Harrowgate Group builds Kingston underground stormwater systems to code and to drawing: sequenced correctly, compacted or finished to the specified result, and documented so owners, GCs, engineers, and inspectors get exactly what was agreed.
Across Kingston, owners call Harrowgate Group for underground stormwater systems for a simple reason: licensed, insured, and fully WSIB-covered work, fast mobilization, and a crew that actually knows the university and hospital district, the industrial parks, and the 401 corridor and how local buildings fail.
Self-performed on site to the engineered drawings, coordinated with concrete, servicing, and the surrounding work, then a clean, documented finish.
Put simply, Underground Stormwater Systems are buried detention and infiltration systems that store and manage runoff beneath a site. For Kingston projects, it's built to the engineered drawings and the applicable codes, self-performed on site.
Yes, we respond across Kingston and the surrounding area. Response time is fast mobilization.
Across Kingston, the work concentrates around the university and hospital district, the industrial parks, and the 401 corridor, each job scoped to its own conditions.
Mostly institutional and university, healthcare, government and correctional, and commercial development, Harrowgate Group serves developers, contractors, municipalities, and property owners across Kingston.
In Kingston, the work accounts for institutional-campus standards, limestone bedrock and rock excavation, and heritage-core context, so the methods, materials, and equipment is matched to the site.
Stormwater storage, matched to the Kingston site, not a one-size approach.
Harrowgate Group responds to Kingston with fast mobilization, covering the university and hospital district, the industrial parks, and the 401 corridor and the surrounding area.
All of Kingston, the university and hospital district, the industrial parks, and the 401 corridor and the surrounding neighbourhoods, plus nearby Napanee, Gananoque, Brockville.
Yes, Harrowgate Group handles institutional and university, healthcare, government and correctional, and commercial development across Kingston, 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 Kingston project and provides a clear, documented quote.
Yes, Harrowgate Group assesses Kingston underground stormwater systems on site and provides a documented scope before any work begins.
Real knowledge of Kingston, the university and hospital district, the industrial parks, and the 401 corridor, fast mobilization, work that is licensed, insured, and fully WSIB-covered, and full documentation on every project.
Harrowgate Group has served Frontenac County 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 Kingston.
Yes, Harrowgate Group builds the work across Kingston 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.