Commercial Backflow Testing & Certification in London, ON
London's major healthcare institutions — London Health Sciences Centre and St. Joseph's Health Care — combined with Western University's research campus and a strong industrial base make the city one of southwestern Ontario's most active backflow compliance markets under City of London Cross-Connection Control By-law C.P.-1488-244. Bates Plumbing provides certified testing and direct reporting to City of London Water Division.
Backflow Compliance in London
London is southwestern Ontario's largest city and a major healthcare, education, and industrial centre. London Health Sciences Centre — operating across the University and Victoria Hospital campuses — and St. Joseph's Health Care London together represent one of the most complex institutional backflow prevention portfolios in the region. Western University's research-intensive campus adds laboratory and science building RPZ assemblies to the compliance picture, while the city's manufacturing and industrial sector — concentrated in the east end and along the Dundas Street corridor — includes food processing, automotive supplier, and chemical manufacturing operations. City of London Water Division enforces By-law C.P.-1488-244 with active annual compliance cycles.
Governing Authority
- Water Authority
- City of London Water Division
- Bylaw
City of London Cross-Connection Control By-law C.P.-1488-244- Official Source
- london.ca — By-laws
- Testing Frequency
- Annual
- Reporting
- Test results submitted directly to City of London Water Division by certified tester
City of London Cross-Connection Control By-law C.P.-1488-244 — london.ca
Read the full Ontario backflow regulation overview →
Properties We Test in London
- Major healthcare institutions — London Health Sciences Centre (University and Victoria campuses) and St. Joseph's Health Care London with extensive RPZ portfolios
- University and research buildings — Western University laboratory, medical school, and science building RPZ assemblies
- Industrial and food processing — East London and Dundas Street corridor manufacturing, food processing, and automotive supplier facilities with Severe-hazard RPZ assemblies
- Restaurants and food service — RPZ assemblies on commercial kitchen water connections at restaurants throughout the Richmond Row, downtown, and suburban dining districts
- Commercial office and retail — DCVA assemblies on service connections at commercial office parks and retail plazas across North, East, and South London
Frequently Asked Questions — London
Is backflow testing mandatory for commercial properties in London, ON?
Yes. City of London Cross-Connection Control By-law C.P.-1488-244 requires annual testing of all approved backflow prevention assemblies on commercial and institutional water service connections. Results must be submitted to City of London Water Division by a certified tester.
Do London Health Sciences Centre and St. Joseph's Health Care require backflow testing?
Yes. Both LHSC and St. Joseph's Health Care London are among the largest and most complex backflow compliance accounts in southwestern Ontario. Each facility operates multiple RPZ assemblies across clinical, surgical, laboratory, sterile processing, dietary, and mechanical systems — all requiring annual testing and certified reporting to City of London Water Division.
Request a Backflow Testing Quote — London
Response within one business day.