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REGULATING WATER PRESSURE
Devices needed to regulate the pressure at a home or business are considered part
of the private plumbing system and are the responsibility of the customer to install,
adjust, operate and maintain. The most common device is a pressure regulator, designed
to reduce higher service pressures. Very low service pressures, however, may necessitate
the installation of a private "booster pump" system, which is also the customer's
responsibility to install, adjust, operate and maintain.
WELLS
The Otay Water District has no regulatory authority or control over groundwater
pumping. We do, however, require the installation of a District-approved backflow
preventer on the service line for properties that have both a well and a connection
to the public water system (see Cross-connection prevention below). Customers who
wish to drill and/or operate a well on their property should contact their local
land use agency for information on the necessary permits.
CROSS-CONNECTION PREVENTION
The term cross-connection refers to a condition where the public water system
is exposed to contamination through a service connection to a private plumbing
system or other source. Such contamination could occur if a private pump were to
force water back into the public water system. This example is called back-pressure,
and many of these private systems inject harmful compounds like fertilizers and industrial
or pool chemicals -- things we don't want in our drinking water.
Another condition, called back-siphonage, may occur when a water main breaks, a fire hydrant
gets knocked off, or even under fire-fighting demands. In these situations, normal water
pressure in the mains may turn to suction which can draw private water back into the public
system. In this event, even a simple garden hose that may be filling a swimming pool, in a
bucket containing chemicals, or a backyard pond can become a source of contamination.
As a precaution against potential cross-connections, the District requires a certified back-flow prevention
assembly be installed on all on all non-residential water service connections and any residential service where an
on-site well or booster pumping system is in place. Call 670-2263 for more information about Otay's cross-connection
control program.
FIRE SERVICE
Water service is provided by the District solely for use in fire hydrants
or fire sprinkler systems from lines or laterals connected to the District's
water mains. The monthly system charge is $21.20 per month for each connection
for fire protection service.
CHECK YOUR WATER PRESSURE
If you frequently experience leaking faucets or
constantly running toilets, a faulty water pressure
regulator may be the cause. Even in new homes,
pressure regulators wear out and can fail. The
quality of your pressure regulator dictates the
years of service to expect.
Pressure regulators may last as little as one year
or twenty years or more. To ensure proper pressure
in your home, it is your responsibility to have and
maintain a working pressure regulator. When doing
any plumbing work around your house, ask your
licensed plumber to check your water pressure.

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