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Leak.ca Technology
Municipal

Acoustic Correlation + GPR Finds 2 Water Main Breaks in 2.4km Survey

2.4km surveyed2 leaks found1.2M L/month recovered
  • Serving all of BCSince 1999
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  • 10,000+ propertiesInspected

The Problem

A BC municipality suspected significant water loss on an aging cast-iron main serving 800 connections. Night-flow analysis suggested 1.5M L/day minimum night flow.

Detection Method

Step-testing plus acoustic correlation survey of 2.4km of distribution main. GPR confirmed pipe depth and soil conditions for accurate correlation. Two leaks identified: joint leak at 1.8km and saddle leak at 2.2km.

Results

Both leaks repaired within 2 weeks. Post-repair flow showed 1.2M L/month recovery. Annual savings: $45K. Report supported infrastructure renewal funding.

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