
Testing and reporting for commercial, industrial, and multi-residential properties. Independent testing (no repairs), fast scheduling, and clean documentation.
Certified Backflow Tester (Ontario-recognized program)
Testing aligned with CSA B64 / municipal cross-connection programs
Approved by Toronto, Mississauga, Brampton and Vaughan municipalities
$2M Liability Insurance
Calibrated test equipment
Independent testing only (no repairs / no upsell)


CrossFlow Compliance provides professional backflow prevention services and compliance verification for commercial, industrial, and multi-unit properties in the Greater Toronto Area. We ensure your backflow prevention devices are installed, tested, and maintained to meet local water supply bylaw requirements and protect your potable water systems from contamination.Our mission is simple:
deliver accurate, unbiased, standards-based results that our clients can trust.

Certified Device Installation & Testing
Licensed backflow prevention installation and annual testing services performed according to municipal requirements.
Upfront Pricing & Estimates
Clear cost estimates before booking, no hidden fees.
Flexible Scheduling
On-site service that fits your operations with minimal disruption.
Full Compliance Reporting
Professional reports ready for building managers, engineers, or municipal inspectors.
Backflow Prevention Device Installation & Annual TestingBackflow prevention devices prevent contaminated water from reversing into municipal water supplies — protecting health and satisfying regulatory requirements.We install, test, and certify:
Double Check Valve Assemblies (DCVA)
Reduced Pressure Principle Assemblies (RP)
Each service includes full on-site verification and a compliance report suitable for municipal submission.
We perform thorough inspections:
Check valve integrity
Relief port condition (RP devices)
Valve assembly performance
Reports are clear and actionable.

Get an estimate for installation or annual testing by answering a few questions about your property type.
Provide property address, hazard classification (if known), and preferred appointment date/time.
We contact you to confirm date/time and any required permits.
Our certified technician arrives and performs installation, testing, or inspection.
Payment is due within fifteen (15) days of the site visit. Test reports and municipal submissions will be released once payment has been received.
If issues were found, we can schedule a follow-up visit at 50% of the original quotation
We are fully transparent with pricing. Most jobs are priced per device, with discounts for multiple devices at the same site:


We will contact you within 1 to 8 hours by email with:
Official work quotation
Proposed date and time