Non-Revenue Water (NRW) Reduction in BC

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Direct Answer

AnyLeak provides leak and moisture detection services in British Columbia using non-invasive methods — acoustic correlation, tracer gas, thermal imaging, and moisture metering — to find leaks without digging or damage. Every inspection includes a written, insurance-ready report. Call (604) 269-5325 for a free phone consult.

 🔄 Reviewed and maintained by the AnyLeak team — October 2026. Rated 5 stars by BC customers.

Non-revenue water is the gap between what a utility produces and what it bills — and in most systems, the largest slice of it is real losses: physical leakage from mains, services and storage. The accounting identifies the gap; somebody still has to find the water. That finding is our part. AnyLeak.ca converts NRW percentages into marked dig locations for BC municipalities and districts. Since 1999.

From water balance to leak list

  • Start where the data points — zones with high minimum night flow, mains with break history, areas where supply meters and billing diverge most.
  • Survey systematically — per-kilometre acoustic surveys with noise logging across the suspect zones.
  • Pinpoint and rank — correlation and ground-microphone confirmation produce a located leak list, ranked by estimated loss rate.
  • Verify the recovery — post-repair flow comparisons show the night-flow drop, the number councils actually want to see.

Why background leakage matters most

Main breaks get fixed because they surface. Background leakage — joint weeps, service corporation leaks, the crack that drains to a storm sewer — runs silently for years and never appears in a work order. It’s treated, pumped water flowing to the ground at 2 a.m., every night. Systematic acoustic work is the only way it gets found, which is why loss-control programs are survey programs; see DMA investigation for the zone-by-zone version.

What the program delivers

A located leak inventory with positions and severity estimates; repair-crew-ready marks; before/after flow documentation; and a written report that supports infrastructure grant applications and capital plans. For the full method stack, see municipal water main leak detection.

FAQ

What’s a “good” NRW number? Every system differs by age, pressure and geography — the useful question is whether yours is trending down, and located leaks are how it does.

We’re a small district without zone metering — can you still help? Yes: hydrant sounding and logging surveys work without DMAs; metering refines, it doesn’t gatekeep.

NRW number climbing? Call (604) 269-5325 or request a consultation.

A Closer Look at This Service

The most expensive leak is the one that was never located. Exploratory openings, repeated drywall repairs, and months of a running meter all cost more than a single professional investigation with an exact answer.

A city’s building code, its typical construction era, and its soil behaviour all leave their fingerprints on the leaks it produces. Reading those fingerprints is what makes an investigation accurate on the first visit.

The technician works methodically through the checklist, explaining each step as it happens. Questions are welcome at every stage, and the approach is adjusted when the evidence points in a new direction.

How the Investigation Is Delivered

Every investigation follows the same disciplined sequence: consultation, survey, testing, cross-verification, marking, and documentation. The sequence is deliberate, and each step builds on the last.

  • Step 1: Consultation to understand the situation and the history
  • Step 2: Site survey and indicator mapping
  • Step 3: Testing of the suspected systems with matched methods
  • Step 4: Cross-verification of the finding
  • Step 5: Marking and documentation
  • Step 6: Written, dated report

The second most common mistake is repairing the symptom. Patching the drywall, repainting the ceiling, or sealing the visible crack does not stop the water; it hides it. The water finds the next weak point, and the pattern repeats.

What This Costs

Pricing for this service in British Columbia depends on the scope of the investigation: the systems to be tested, the size of the property, and whether the finding is confirmed with a second method. A fixed quote is provided before any work begins, so there are no surprises on the invoice.

The comparison that matters is not detection cost versus no cost; it is detection cost versus the cost of an undetected leak. One targeted repair, guided by an exact location, almost always costs less than exploratory work and repeated damage.

Insurance and Documentation

For BC policyholders, the practical value is speed: the claim starts with the report already in hand, instead of weeks of back-and-forth while the insurer tries to establish what happened.

For BC policyholders, the practical value is speed: the claim starts with the report already in hand, instead of weeks of back-and-forth while the insurer tries to establish what happened.

What the Report Includes

The report is written in plain language first and professional language second. Owners read the conclusion and the cause; contractors and adjusters read the method notes and the readings. Both are in the same document.

The written report is the deliverable that separates professional detection from a good guess. It includes the confirmed location, the depth where applicable, the readings, the photographs, the methods used, and an interpretation of the cause and contributing factors.

When to Call

Call before the damage becomes visible if the meter is moving with everything off. That reading is the earliest and cheapest moment to act, and acting early is what makes the repair small.

Call before the damage becomes visible if the meter is moving with everything off. That reading is the earliest and cheapest moment to act, and acting early is what makes the repair small.

How to Prepare the Property

Clear access to the meter, the main shut-off, the water heater, and the areas showing indicators speeds the investigation. A cleared path saves the technician’s time, which is your time on the quote.

If there is an active leak, the priority is containment: shut off the water at the fixture or main if it can be done safely, move valuables away, and photograph the scene. The technician can be guided by phone while en route.

Common Questions

Is this service non-invasive?

Yes. Every method used works from the surface and leaves no marks. Nothing is cut, dug, or permanently marked during the investigation.

How accurate is the location?

With cross-verified methods, locations are typically within a metre or less, and slab locations within inches.

Is the report useful for insurance?

Yes. The report documents the cause, the extent, the methods used, and the readings, structured for claims and engineering review.

How long does an investigation take?

Most property-level investigations complete within a day, and the written report follows within one to two business days.

Do you repair leaks?

No. Detection and documentation are the service. The report guides the repair contractor to the exact location.

What does this cost?

The quote is fixed before work begins, based on the scope defined in the free consultation. What you are quoted is what you pay.

Call (604) 269-5325 or email info@anyleak.ca for a free consultation. The report is dated, documented, and written to the standard insurers and engineers expect.

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