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We love sewers.


I don't care about websites, I care about sewers; website may not entirely up to date.

"I/I in New Construction in 2021: Persona Non Grata

Backgrounder and Latest Research: a Norton Workshop"

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Welcome to Norton Engineering Inc.

Your national sewer experts

Barbara A. Robinson, M.A.Sc., P.Eng., established Norton Engineering Inc. in 2015. Barbara has been a professional engineer for 31 years and has worked in, on, around and about sewers for her whole career, and in particular, has been investigating the phenomena of inflow and infiltration (I/I) for 15 years. Norton provides boutique engineering services to dozens of municipal governments across Canada, as well as provincial and federal governments and agencies, assisting them with finding solutions to the growing risks associated with I/I in existing and new sewers, both on the public and private sides. She has extensive expertise on private side sewers, having taken Building Code courses and liaised extensively with building officials across Canada.

One of Norton’s focuses has been to critically examine the guidelines, standards and legislation that govern how sewers are designed, constructed, inspected and accepted, with a view to reducing long term I/I and its associated costs and risk. Barbara chaired the national CSA committee that developed “CSA Z800-18: Basement Flood Protection and Risk Reduction Guideline” (June 2018). She authored the "Reducing the Risk of I/I in New Sewer Construction: a National Foundational Document" Seed Document (along with ICLR and Engineers Canada) for Standards Council of Canada, which is now being developed into a national guideline or standard. This work is based on Norton's extensive expertise in this area. The SCC Seed Document, "Developing an Efficient and Cost-Effecting I/I Reduction Program", authored by Norton and ICLR, is expected to be published in March, 2021. 

Norton has self-published five technical manuals on all things sewer, available on this website. This work has involved working with hundreds of engaged professionals across Canada interested in improving the status quo. Norton currently works for developers, contractors and residents around I/I and flooding issues. She speaks often at public service groups to lay audiences, and has recently begun delivering sewer workshops to Municipal Councils. 

Barbara has is a regular contributor to media including radio, TV, and print.

The name "Norton" is synonymous with sewer workers. Listen to our theme song from "The Honeymooners".

Contact Information 

Barbara A. Robinson, M.A.Sc., P.Eng., President and Founder

Norton Engineering Inc.

We love sewers.

Phone: 519-744-8879 (office and mobile)

Email: [email protected] 

(email contact preferred)