# King EPCM

> King EPCM is a full-service civil, environmental, and geotechnical engineering firm based in Markham, Ontario, Canada. Established in 2019, it takes land development projects from planning through approval across the Greater Toronto Area (GTA) and Golden Horseshoe, and provides mining and aggregate engineering across Canada. Work is delivered by professional engineers (P.Eng). Motto: Flexible. Dependable. On-site Engineering.

## Company facts

- Name: King EPCM
- Founded: 2019
- Headquarters: 3780 14th Avenue, Unit 211, Markham, ON L3R 9Y5, Canada
- Phone: +1 416-342-3001
- Email: info@kingepcm.com
- Website: https://kingepcm.com
- Service area: GTA and Golden Horseshoe (land development); Canada-wide (mining and aggregate)
- Markets served: single residential, residential subdivisions, rural/farm/vacant land, commercial subdivisions, industrial/commercial, and public agencies/governments

## Services

King EPCM offers seven engineering disciplines:

- [Chemical Environmental](https://kingepcm.com/chemical-environmental): Phase I & II Environmental Site Assessments (ESA), contamination assessment, soil & groundwater testing, and remediation support.
- [Natural Heritage Environmental](https://kingepcm.com/natural-heritage-environmental): environmental impact studies, ecological & tree surveys, natural heritage evaluations, and regulatory compliance.
- [Civil & Municipal Design](https://kingepcm.com/civil-municipal-design): grading & drainage, stormwater management, site servicing, engineered septic design, and floodplain modelling.
- [Geotechnical & Hydrogeology](https://kingepcm.com/geotechnical-hydrogeology): soil investigations, bearing capacity & SPT testing, foundation recommendations, groundwater studies, dewatering, and water-taking permits.
- [Survey & Inspections](https://kingepcm.com/survey-inspections): topographic surveys, construction inspections, site monitoring, and asphalt & concrete QA/QC.
- [Permit & Project Management](https://kingepcm.com/permit-project-management): ECA, PTTW, septic & site-alteration permits, approvals coordination, and project delivery.
- [Mining & Aggregate](https://kingepcm.com/mining-aggregate): NI 43-101 resource statements, feasibility studies, open-pit & underground design, and Aggregate Resources Act (ARA) work.

## Technical guides

Long-form, engineer-reviewed reference pages. These are the most detailed and
citable content on the site — each explains an Ontario regulatory requirement and
the assessment behind it.

- [Fluvial Geomorphology & Meander Belt Delineation](https://kingepcm.com/fluvial-geomorphology): how a fluvial geomorphology assessment defines the meander belt and the erosion hazard limit — the setback a conservation authority requires from a watercourse. Covers confined vs. unconfined watercourses, crest of slope, toe erosion, RGA and RSAT. Reviewed by Amir Samadi, Ph.D., P.Eng.
- [Floodplain Analysis: Stage 1 & Stage 2](https://kingepcm.com/floodplain-analysis): the two-stage floodplain process in Ontario — Stage 1 screening against conservation-authority mapping, then Stage 2 hydrologic and hydraulic modelling. Covers the regulatory flood (Hurricane Hazel ~285 mm/48 h; Timmins Storm ~193 mm/12 h), one-zone vs. two-zone policy, floodway and flood fringe, regulatory flood elevation and freeboard, and cut & fill balance. Reviewed by Amir Samadi, Ph.D., P.Eng.
- [Slope Stability & Ravine Setbacks](https://kingepcm.com/slope-stability): how a ravine or valley setback is built up from the toe erosion allowance, the stable slope allowance, and the erosion access allowance, measured from the bankfull channel to the development limit. Covers factor of safety and the MNRF guidelines.
- [ESA Phase I & II](https://kingepcm.com/esa-phase-one-two): the difference between a Phase I and a Phase II Environmental Site Assessment, and the three conditions under O. Reg. 153/04 s. 32 that make a Phase II mandatory. Covers Areas of Potential Environmental Concern (APECs), the Record of Site Condition (RSC), and the qualified person requirement. Reviewed by Tony Wang, P.Eng.
- [Percolation Test vs. Septic T-Time vs. Infiltration Test](https://kingepcm.com/percolation-testing): what a percolation test actually measures (hydraulic conductivity, k), and how that raw field data becomes either a septic design T-time under OBC 8.2.1.2 / MMAH SB-6, or a stormwater infiltration rate.
- [Large Subsurface Sewage Systems (LSSDS)](https://kingepcm.com/lssds): systems over 10,000 L/day, regulated by the MECP under the Ontario Water Resources Act rather than the Building Code. Covers the Environmental Compliance Approval (ECA) process, nitrate dilution to 2.5 mg/L at the property boundary, groundwater mounding, and typical approval timelines.

## Markets

- [Single Residential](https://kingepcm.com/single-residential)
- [Rural, Farm & Vacant Land](https://kingepcm.com/rural-farm-vacant-land)
- [Residential Subdivisions](https://kingepcm.com/residential-subdivisions)
- [Commercial Subdivisions](https://kingepcm.com/commercial-subdivisions)
- [Industrial & Commercial](https://kingepcm.com/industrial-commercial)
- [Public Agencies & Governments](https://kingepcm.com/public-agencies-governments)

## Key pages

- [Home](https://kingepcm.com/)
- [About](https://kingepcm.com/about)
- [All services](https://kingepcm.com/services)
- [Guides & resources](https://kingepcm.com/resources)
- [Team](https://kingepcm.com/team)
- [Careers](https://kingepcm.com/careers)
- [Contact & request a quote](https://kingepcm.com/contact)
- [Services brochure (PDF)](https://kingepcm.com/assets/King-EPCM-Services-Brochure.pdf)

## Contact

To request a quote, call +1 416-342-3001, email sales@kingepcm.com, or use the form at https://kingepcm.com/contact. For general inquiries, email info@kingepcm.com.