Assertion: water company's customer | /r/HasProperty | 5.1 million properties
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Source sentences:
text: Likewise, it daily removes, treats and disposes 4.4 billion litres (970 million imperial gallons) of wastewater from 15 million customers (5.1 million properties) using 2530 sewage pumping stations through 109,400 km (68,000 mi) of managed sewerage mains to 348 sewage treatment works across an area of 13,000 km2 (5,000 sq mi) of South England.