Certified Stormwater Sewer Compliance Testing for Ontario Facilities

Ensure your site runoff meets the Ontario Water Resources Act and local Storm Sewer Use By-laws - we are experts in both, wherever you are in Ontario.
Trusted to protect over 0+ properties.

Stormwater runoff is the #1 blind spot for industrial and commercial property owners.

Is Hidden Water Contamination Putting Your Budget and People at Risk?


Rainwater washing over your parking lots, loading docks, and storage yards picks up oil, metals, sediment, and chemicals. If that contaminated water enters a municipal storm sewer or a local creek, you are violating the Environmental Protection Act.

Heavy Fines

Municipalities and the Province issue steep penalties for unmonitored pollution.


Environmental Orders

The Ministry can force operational shutdowns or expensive emergency remediation.


Civil Liability

You can be held responsible for damaging local ecosystems or downstream properties.

We Are Your Shield for Environmental Compliance.

Why Ontario Industries Trust Us:

We make your Environmental Compliance Approval (ECA) or Stormwater Pollution Prevention Plan (SWPPP) simple.


Weather Watchers

Stormwater often requires "first-flush" sampling during a rain event. We monitor the weather and mobilize technicians so you don't have to chase storms.


Regulatory Experts

We test for the specific parameters inspectors look for: Suspended Solids (TSS), Heavy Metals, Oil & Grease, and Chlorides.


Accredited Data

All samples are analyzed by certified environmental labs, giving you a report that stands up to scrutiny.


Protect Your Site in 3 Steps


Schedule Your Site Assessment

We review your site’s specific requirements (ECA, SWPPP, or local bylaw) to determine what to test and when (e.g., quarterly, seasonally).

Event-Based Sampling

Our certified technicians arrive on-site - often coordinating with rainfall events - to collect samples directly from your outfall or catch basins.

Receive Your Action Plan

You get a clear report comparing your results to regulatory limits. If you have exceedances, we help you find out exactly what needs to be fixed.

Frequently Asked Questions (FAQs)

What are "Sewer Surcharges" or "Service Fees"?

Many municipalities charge extra fees if your wastewater exceeds certain limits for "treatable" pollutants like biochemical oxygen demand (BOD) or suspended solids. Testing allows you to manage these costs.

Why is Oil and Grease (FOG) such a big deal?

FOG solidifies in pipes, causing blockages that can back up sewage into your business or the city main. Municipalities aggressively fine businesses that discharge excess FOG.

Do I need testing if I have an interceptor?

Yes. Testing verifies your interceptor is working. If it's failing, you could be discharging pollutants without knowing it.

What if my test results are over the limit?

We provide actionable recommendations on operational changes or maintenance that can bring you back into compliance, helping you avoid enforcement actions.

Does Your Legionella Safety Plan Meet the Standard?

Download our free Legionella Compliance Readiness Checklist.

Quickly verify your facility against Canadian best practices. No fluff, just the requirements.

By downloading the checklist, you consent to receiving a follow-up communication from a member of the Canadian Water Compliance team.

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Updated for MD 15161 & ASHRAE 188

free facility resource

Get Our Free Checklist for Legionella Prevention

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Quickly verify against MD 15161 & ASHRAE 188.

Verify Corrective Action Triggers

Audit Your Record-Keeping Logs

Identify Legionella Risks Instantly