the.com/water main
The pipe that explains why the street is now a river and your shower is a rumor.
means A large underground pipe that carries fresh water from a treatment plant or reservoir to distribute it to a network of smaller pipes serving homes and businesses.
from Straightforward compound: 'water' plus 'main,' where 'main' has long meant the principal or chief part of a system — think 'main road' or 'main artery.' The usage traces to 19th-century municipal engineering, when cities built centralized waterworks and needed a term for the large trunk pipes that fed the smaller branch lines running to individual buildings. No hidden story here — it's main as in 'the big one,' doing exactly what it says.
- average age
- many US mains are over 75 years old
- break frequency
- one bursts somewhere in the US every two minutes
- pressure source
- keeps flow strong enough to reach upper floors unpumped
- cold snap risk
- breaks spike when frozen ground shifts and cracks pipes