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Record High Temperatures May Activate Hidden Microbes In Your Water Distribution System


What is hiding in your potable water storage tanks?

Sediment slowly builds up in most water tanks. After a few years of service a quarter to a half inch is common, at between five and ten years of service we see a half inch to two inches, and at ten to twenty years without cleaning, tanks can often accumulate three or more inches. Despite the water being near perfect at the treatment stage, it often travels through miles of water main pipes that are 20, 30 or even 50 years or older. Occasionally there are main breaks, where water is lost but dirt and other contaminants can be sucked into the system. Many inspection engineers concerned with the structural safety of the tanks dismiss the sediment on the floor as unimportant. Water utility managers and operators should view tank sediment in an entirely different way.



Ronald L. Perrin

Ron Perrin Water Technologies

  • Owner of Ron Perrin Water Technologies, established in 1997
  • Company is focused on in-service inspection and cleaning of potable water storage
  • Conducts regular seminars and workshops on inspection and cleaning potable water storage
  • Author of the book Inspecting & Cleaning Potable Water Storage IBSN 978-1-4415-3244-2
  • Published articles in several publications related to the areas of inspection and cleaning potable water storage
  • Certifications: Specialist in Safety & Health, Certified Safety and Health Official, Safety & Health Environmental Professional
  • Member of AWWA, TWUA, TRWA, NFPA and NACE
  • Can be contacted at [email protected], 817-377-4899, on his website, www.ronperrin.com or on Twitter® @RonPerri1

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