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The Portland Water District has the
enormous responsibility to bring fresh, clean water to its
customers’ homes. However, as a PWD customer, you have some
responsibilities as well. Some of the items that are needed to
provide you water are actually owned by you! Click on the system
components in the image below for definitions and responsibilities.

Water Mains:
Miles of utility owned water
mains carry water from Sebago Lake or the Steep Falls well system to
your property.
Service Line:
These are pipes that go
from the water main to your building. The utility owns the
portion from the water main to the street line or property line. The
customer owns the remaining portion - to and into the
building.
Curb Stop:
The utility owned valve
that controls the flow of water to your building.
Service Box: A
utility owned cylindrical iron box with a cover, at the property
line, that provides access to the curb stop.
Inside Valve: A
customer owned valve that controls the flow of all water
coming into the premises.
Backflow Preventor:
A customer owned mechanism that prevents the backflow
of contaminants into the public water supply.
Water Meter: A
meter that records how much water you use and is usually located
inside the building. Although it is utility owned, the
customer is responsible for any damages (freezing, vandalism,
external causes, etc.) and may be charged for repairs or
replacement.
Remote Meter
Reading Sensor: Permits meter reading without entering
the premises. Utility owned.
Fire Hydrant:
Provides water for fire fighting. Utility owned.
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