Where are the backflow points? Who is testing them? And what happens when contamination enters the clean supply? ...
Nothing says “happy holidays” like a mandated backflow prevention device. In late November the city of St. Helena sent letters to 23 water customers giving them 60 days to install the devices, which ...
If you’ve recently received a letter from National Water Specialties Company (NAWSC) about backflow prevention compliance, it ...
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