Water Main

A water main is water pipe which is a part of the water supply system.


Water mains can be constructed using a range of different pipe materials, including;

Useful Life

The useful life of water mains depends on many factors, including material type, construction practices, etc. The useful lives below are indicative only. If you have any useful data about water main useful lives, please help us make the table below more accurate and useful by clicking here and joining the conversation.

Pipe Material Typical Useful Life
Asbestos Cement (AC) 40 – 65 years
Cast Iron Cement Lined (CICL) 80 – 100 years
Polyvinyl Chloride (PVC) 50 – 75 years
Ductile Iron Cement Lined (DICL) 80 – 100 years
Mild Steel Cement Lined (MSCL) 80 – 100 years

Related Pages

External Links & References

  1. Prioritising Water Main Renewals (utilities.masterplumbers.com)
  2. Google Search
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