For purposes of this division, the following definitions shall apply.
Words used in the singular shall include the plural and the plural,
the singular; words used in the present tense shall include the future
tense; the word "shall" is mandatory and not discretionary; the word
"may" is permissive.
BACKFLOW
The undesirable flow of water or mixtures of water and other
liquids, gases or other substances under positive or reduced pressure
into the Onalaska Water Utility (hereinafter "Utility") distribution
pipes of the potable supply of water from any source.
BACKFLOW PREVENTER
A device or means designed to prevent backflow caused by
back pressure or back siphonage; most commonly categorized as air
gap, reduced pressure principal backflow preventer, double-check-valve
assembly, pressure vacuum breaker, atmospheric vacuum breaker, hose
connection vacuum breaker, hose connection backflow preventer, backflow
preventer with intermediate atmospheric vent, and barometric loop.
BACK PRESSURE
An elevation of pressure in the downstream piping system
(i.e., pump, elevation of piping, or steam and/or air pressure) above
the Utility supply pressure, which would cause or tend to cause a
reversal of the normal direction of flow.
BACK SIPHONAGE
The flow of water or other liquids, mixtures or substances
into the distribution pipes of the Utility's potable water supply
system from any source caused by the sudden reduction of pressure
in the Utility's potable water supply system.
CROSS-CONNECTION
Any physical connection or arrangement between two otherwise
separate systems, one of which contains potable water from the Utility,
and the other containing water from a private source, water of unknown
or questionable safety, or steam, gases, or chemicals, whereby there
may be a flow from one system to the other, the direction of flow
depending on the pressure differential between the two systems.
CUSTOMER SERVICE
The portion of the service lateral that is between the curb
box and the premises being served by the Water Utility.
MAINS
All pipes used for carrying water in the streets.
MUNICIPAL WATER SYSTEM
A community water system owned by a city, village, county,
town, town sanitary district, utility district, public inland lake
and rehabilitation district, municipal water district or a federal-,
state-, county-, or municipal-owned institution for congregate care
or correction, or a privately owned water utility serving the foregoing.
NON-COMPLYING
A well or pump installation which does not comply with § NR
812.42, Wisconsin Administrative Code, Standards for Existing Installations,
and which has not been granted a variance pursuant to § NR
812.43, Wisconsin Administrative Code.
OWNER
Any person, firm, corporation or association owning property
or premises which is or can be supplied with water or their authorized
agent.
PREMISES
A single-family dwelling, two-family dwelling, an apartment
house occupied by more than one family, a building occupied by business
or other purpose, of any part of a building with the land appurtenant
thereto when sold as a separate unit.
PUMP INSTALLATION
The pump and related equipment used for withdrawing water
from a well, including the discharge piping, the underground connections,
pitless adapters, pressure tanks, pits, sampling faucets and well
seals or caps.
SERVICE LATERAL
The combined Utility and customer service which extends from
the public water main through the meter or to a point of two feet
outside the building if no meter exists.
UNSAFE WELL OR PUMP INSTALLATION
One which produces water which is bacteriologically contaminated
or contaminated with substances which exceeds the drinking water standards
of Chs. NR 140 or 809, Wisconsin Administrative Code, or for which
a health advisory has been issued by the Department of Natural Resources.
UTILITY SERVICE
That portion of the service lateral from the public water
main through the curb box which is the property of the utility or
to the property line if no curb box or shutoff exists.
WELL
A drill hole or other excavation or opening deeper than it
is wide that extends more than 10 feet below the ground surface, constructed
for the purpose of obtaining groundwater.
WELL ABANDONMENT
The proper filling and sealing of a well according to the
provision of § NR 812.26, Wisconsin Administrative Code.