Ontario · CSA Z768 & O.Reg. 153/04

Phase 1 Environmental Site Assessment in Orillia

Ben Engineering offers Phase 1 Environmental Site Assessment (ESA) consulting in Orillia, Ontario — conforming to the CSA Z768 Standard and Ontario Regulation O.Reg. 153/04.

Request a Quote See Phase 2 ESA

Standard: CSA Z768financing & due diligence
Regulation: O.Reg. 153/04RSC, rezoning, permits
Prepared by: Licensed P.Eng & P.Geo30+ years experience
Service area: Orillia, ONand Southwestern Ontario

What is a Phase 1 Environmental Site Assessment?

A Phase 1 ESA is a non-intrusive investigation to identify potential environmental contamination risks on a property. No soil sampling or laboratory testing is conducted at this stage.

See our Phase 2 ESA page for more. In Ontario, the CSA Standard applies to real estate due diligence and financing; O.Reg. 153/04 applies to rezoning, building permits, or filing a Record of Site Condition.

Industrial and Commercial Context in Orillia

Orillia's industrial and commercial base runs along West Street and Highway 11, serving the city's role as a service centre between Lake Simcoe and Lake Couchiching.

Multi-Residential Development in Orillia

Multi-residential development is concentrated near the downtown waterfront and along the West Street corridor, with several mid-rise apartment buildings serving the city's year-round and seasonal population. Properties near these commercial and industrial corridors are the ones most likely to require environmental due diligence before financing, redevelopment, or a change of use.

Why This Matters for Properties in Orillia

In Orillia, as in most established Ontario communities, a Phase 1 ESA is most often triggered by a property's proximity to active or former industrial, automotive, or fuel-handling uses, or by a proposed change to a more sensitive land use.

How a Phase 1 ESA Is Actually Carried Out

Interviews are conducted with the current property owner or operator, and where possible with previous owners or long-term employees, to capture institutional knowledge of past spills, storage practices, or waste handling that may not appear in the written record.

The final Phase 1 report presents the assessor's professional opinion on whether Recognized Environmental Conditions exist, and if so, provides a clear recommendation on whether further investigation — a Phase 2 ESA — is warranted before the transaction, financing, or approval proceeds.

Environmental Site Assessment — Overview

Nearby areas we serve

Also servicing the surrounding region

Phase 1 ESAs by area

We work across Ontario, generally within 500 km of our Vaughan head office. Each area has its own page.