The meanings of terms used in this article are as follows:
"Air-gap separation"
means a physical separation between the discharge end of
a potable water supply pipeline and an open or nonpressure receiving
vessel. An "approved air-gap separation" shall be at least double
the diameter of the supply pipe measured vertically above the overflow
rim of the receiving vessel and in no case shall be less than one
inch.
"Approved backflow prevention assembly"
means an assembly which has passed laboratory and field evaluation
tests performed by a recognized testing organization which has demonstrated
their competency to perform such tests to the California Department
of Health Services.
"Auxiliary water system"
means any water supply on or available to a customer's premises
other than an approved water supply.
"AWWA standard"
means an official standard developed and approved by the
American Water Works Association.
"Backflow"
means a flow condition, caused by a differential in pressure,
that causes the flow of water or other liquids, gases, mixtures or
substances into the distributing pipes of a potable supply of water
from any source other than an approved water supply.
"Certified backflow prevention assembly tester"
means a person who has been certified by the American Water
Works Association (AWWA) California-Nevada Section, or the Sacramento
County certification program, or have equivalent training in the opinion
of the director of public works and possesses a valid "certificate
of competence" issued by the department of public works.
"Contamination"
means a degradation of the quality of the potable water by
any foreign substance which creates a hazard to the public health
or which may impair the usefulness or quality of the water.
"Cross-connection"
means any unprotected actual or potential connection or structural
arrangement between any part of a public water system used or intended
to supply water for human consumption, and any source or system containing
used water, industrial fluid, gas or other substance that is not or
cannot be approved as safe, wholesome and potable for human consumption.
Bypass arrangements, jumper connections, removable sections, swivel
or changeover assemblies, or other assemblies through which backflow
could occur, shall be considered to be cross-connections.
"Department"
means the department of public works for the city of West
Sacramento.
"Health agency"
means the California Department of Health Services or the
local health agency with respect to a small water system.
"Premises"
means any and all areas on a water user's property which
are served or have the potential to be served by the public water
system.
"Public water system"
means any potable water supply approved by, or under the
public health supervision of, a public health agency of the state
of California or the county of Yolo.
"Reduced pressure principle backflow prevention assembly"
means an assembly incorporating two internally loaded, independently
operating check valves and an automatically operating differential
relief valve located between the two checks, including resilient seated
shut-off valves on each end of the assembly, and equipped with necessary
test cocks for testing the assembly.
"Service connection"
refers to the point of connection of a water user's piping
to the water supplier's facilities.
"Water supplier"
means the city of West Sacramento who owns and operates the
approved water supply system.
"Water user"
means any person obtaining water from the city of West Sacramento
approved water supply system.
(Ord. 90-13; Ord. 95-1 § 1 (part))
It shall be the responsibility of each water user to furnish,
and install in a manner approved by the department, and keep in good
working order and safe condition, any and all backflow prevention
assemblies as required by this article. The city shall not be responsible
for any loss or damage directly or indirectly resulting from or caused
by any improper or negligent installation, operation, use, repair
or maintenance of, or interfering with, any backflow prevention assembly,
required by this article, by any water user or any other person.
(Ord. 90-13)
Any person desiring certification as a backflow prevention assembly
tester shall make written application to the department on a form
provided by, and in a manner prescribed by the department. Each application
shall be accompanied by a fee, in an amount to be established by resolution
of the city council. Said fee shall not be refundable or transferable.
(Ord. 90-13)
The department will issue a "certificate of competence" to those
persons who have satisfied the minimum requirements for certification
as a tester for approved backflow prevention assemblies. Every person,
after receiving a certificate of competence from the department shall
be issued such identification as the department shall deem appropriate;
and such identification shall be kept in the immediate possession
of every person holding a certificate of competence while said person
is testing any backflow prevention assembly within the city. Said
certificate shall be valid for a period of one year and may be revoked,
suspended, or not renewed by the department of public works for improper
testing, repairs and/or reporting.
(Ord. 90-13)
A certificate of competence may be renewed within ninety days
from the date of expiration. Any person desiring certification renewal
shall make written application to the department on a form provided
by, and in a manner prescribed by the department. Each application
shall be accompanied by a fee, in an amount to be set by resolution
of the city council. Said fee shall not be refundable or transferable.
(Ord. 90-13)
The water user's premises shall be available for inspection
at all reasonable times to authorized representatives of the department
to determine if protection of the public water system is required
at the service connection(s).
(Ord. 90-13)
A. The
city manager or designee shall have the authority to enforce this
article.
B. The
city may require discontinuance of water service to any premises wherein
violations of this article exist. Any water user who violates any
of the provisions of this article, or later bypasses or renders inoperative
any backflow prevention assembly installed under the provisions of
this article may, in addition to other penalties prescribed, be subject
to discontinuance of water service. Water service will not again be
rendered until such violations have been corrected as ascertained
by the city. Any violation of the provisions of this article or rules
and regulations promulgated thereof, shall be an infraction, punishable
by a fine of not less than twenty-five dollars nor more than five
hundred dollars. Each day that a violation exists shall constitute
a separate and distinct offense.
(Ord. 90-13; Ord. 95-1 § 1)
The city is authorized to make all necessary and reasonable
rules and regulations with respect to the enforcement of this article.
All such rules and regulations shall be consistent with the provisions
of this article and shall be effective thirty days after being filed
with the city clerk of the city.
(Ord. 90-13; Ord. 95-1 § 1)