Solving Water Challenges with Innovation and Expertise
We provide high-performance water and environmental solutions tailored to the needs of industrial, private and public sector clients. Our team brings deep technical expertise, regional insight, and forward-thinking leadership to solve complex water challenges—on time and within budget.
Rising water consumption, extreme weather, and emerging contaminants are pushing the limits of water availability and quality. Backed by decades of experience, cutting-edge technology, and hands-on expertise, our scientists and engineers work closely with clients to develop effective, compliant, and cost-efficient treatment strategies.
Field-proven innovative solutions to solve water issues.
We’re known for our advanced work in treating industrial effluents, dredging and dewatering, and removing PFAS contaminants—helping businesses and agencies stay ahead of evolving regulations. We understand the operational and regulatory pressures in your world. From permitting and procurement to stakeholder engagement and cost control, we build sustainable solutions that perform under real-world conditions.
With long-standing relationships and extensive experience working with all levels of government, we know how to navigate complex requirements while delivering measurable value.

Operations Director, Water and Industrial Effluents Treatment
Solving Water Challenges with Innovation and Expertise
Water systems today face mounting pressure. Rising consumption, extreme weather, and emerging contaminants are pushing the limits of availability and quality. Backed by decades of experience, cutting-edge technology, and hands-on expertise, our scientists and engineers work closely with clients to develop effective, compliant, and cost-efficient treatment strategies.
We’re known for our advanced work in treating industrial effluents, dredging and dewatering, and removing PFAS contaminants—helping businesses and agencies stay ahead of evolving regulations. We understand the operational and regulatory pressures in your world. From permitting and procurement to stakeholder engagement and cost control, we build sustainable solutions that perform under real-world conditions.
With long-standing relationships and extensive experience working with all levels of government, we know how to navigate complex requirements while delivering measurable value.

Operations Director, Water and Industrial Effluents Treatment
WATER SOLUTIONS SERVICES
BIOSOLIDS MANAGEMENT
Industrial Effluents Treatment
DREDGING & DEWATERING
PFAS Removal Solutions
WATER SOLUTIONS SERVICES
BIOSOLIDS MANAGEMENT
DREDGING & DEWATERING
Industrial Effluents Treatment
PFAS Removal Solutions
Our Latest Water Solutions Projects
Removing Dry Tons from Texas Water Treatment Lagoons
PROJECTSERVICESDredging and Dewatering Biosolids ManagementINDUSTRYMunicipalPROJECT LOCATIONTexasPROJECT DATE2022QUANTITY200,000 dry tonnes of sludge dredgedCHALLENGESRemove up to 200,000 dry tons from two water treatment backwash lagoons. Lagoon 1 was no longer in...
Water Treatment After Lac Mégantic Train Derailment
PROJECTSERVICEPFAS RemovalINDUSTRYMunicipalPROJECT LOCATIONLac Mégantic, QuebecPROJECT DATE2013QUANTITY11,360,000 gallons of water treatedCHALLENGES The situation required a quick mobilization of equipment on the site of the disaster. 8,700 gal of concentrated AFFF...
Spill of AFFF Concentrate at Military Base
PROJECTSERVICEPFAS RemovalINDUSTRYMilitaryPROJECT LOCATIONCanadaPROJECT DATE2001QUANTITY4.5M litres (1M US gallons) of water treatedCHALLENGESThe situation required a quick emergency response and a solution able to treat rapidly over 4.5 million litres (1 million US...
Our Latest Water Solutions Webinars
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Foam Fractionation as Pre-Treatment for PFAS Removal. Water Online Water Expo 2024
https://www.youtube.com/watch?v=ea_Rrx6-pCs
ALTRA PFAS Treatment Solutions
https://www.youtube.com/watch?v=54Gd2WfO86A&t=8s Have you fully understood the impacts of PFAS? Traditional approaches for removing environmental #contaminants have limited effectiveness when it comes to PFAS. With the introduction of stringent regulations, it is...
Are People Underestimating The Real Cost Of PFAS?
Martin Bureau discusses the agreement with Waste Connections, the first of its kind in North America, which has set a standard for the industry. Hear from Martin about the real cost of PFAS, and a safe solution from sanexen.com...
READ THE LATEST NEWS
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Anne-Marie Gagnon, appointed to the Board of Directors of the Quebec Business Counsil On the Environment (CPEQ)
Brossard, July 1, 2025 – SANEXEN Environmental Services Inc. is proud to announce the appointment of Ms. Anne-Marie Gagnon, P. Eng., Senior Director, Environment, as a member of the Board of Directors of the Quebec Business Counsil On the Environment (CPEQ). Effective...
Nathalie Viens appointed as the new President of SANEXEN
Montréal, Canada - December 16, 2024 - LOGISTEC is pleased to announce the appointment of Nathalie Viens as President of its Water and Environment Division. Nathalie brings with her a wealth of experience in leading global operations in a variety of industries,...
SANEXEN Wins 2024 Sustainable Remediation Brownie Award
Montreal, Quebec, November 18, 2024 – ALTRA | SANEXEN has been honored with the coveted 2024 Brownie Award for Sustainable Remediation, showcasing their innovative approach to complex environmental challenges. The award-winning project, a collaboration with Vivenda...