Ohio Administrative Code
Title 3745 - Ohio Environmental Protection Agency
Chapter 3745-95 - Backflow Prevention and Cross-Connection Control
Section 3745-95-04 - Where protection is required
Universal Citation: OH Admin Code 3745-95-04
Current through all regulations passed and filed through September 16, 2024
(A) For single property community water systems and for noncommunity water systems, an approved backflow preventer shall be installed at the actual or potential cross-connection, where in the judgment of the supplier of water or the director, a pollutional, system, health or severe health hazard to the public water system exists including the following:
(1)
Any situation
that could allow backflow of process fluids.
(2)
In the judgement
of the supplier of water or director, a premises has internal cross-connections
that are not correctable or contain intricate plumbing arrangements that make
determining whether or not cross-connections exist impractical.
(3)
A premises having
a repeated history of cross-connections being established or
re-established.
(4)
Facilities listed in paragraph (B)(5) of this rule and
others specified by the director.
(B) For all other community water systems, an approved backflow preventer shall be installed on each service line to the consumer's water system serving the premises where in the judgement of the supplier of water or the director, a pollutional, system, health, or severe health hazard to the public water system exists including the following:
(1)
Premises where any situation exists that could allow
backflow of process fluids.
(2)
Premises having
internal cross-connections that, in the judgment of the supplier of water or
director, are not correctable, or contain intricate plumbing arrangements which
make it impracticable to determine whether or not cross-connections
exist.
(3)
Premises where, because of security requirements or
other prohibitions or restrictions, it is impossible or impractical to make a
complete cross-connection assessment.
(4)
Premises having a
repeated history of cross-connections being established or
reestablished.
(5)
The following specific types of facilities unless the
director determines that no severe health, health, system or pollutional hazard
to the public water system exists:
(a)
Hospitals, mortuaries, clinics, nursing
homes.
(b)
Laboratories.
(c)
Piers, docks,
waterfront facilities.
(d)
Sewage treatment plants, sewage pumping stations, or
storm water pumping stations.
(e)
Food or beverage
processing plants.
(f)
Chemical plants.
(g)
Metal plating
industries.
(h)
Petroleum processing or storage plants.
(i)
Radioactive
material processing plants or nuclear reactors.
(j)
Car
washes.
(k)
Bulk water loading, including but not limited to, bulk
water loading stations and temporary use of fire hydrants.
(l)
Others specified
by the director.
(C) The following requirements apply to premises that have an auxiliary water system on the real property, on or available to the premises, that is owned or under control of the consumer or public water system:
(1)
The supplier of water shall document, in writing,
through an onsite inspection conducted or caused to be conducted by the
supplier of water, every twelve months that there is no connection or means of
connection between the public water system or a consumer's water system and the
auxiliary water system as prohibited by paragraph (B) of rule
3745-95-02
of the Administrative Code.
(2)
For single
property community water systems and noncommunity water systems, an approved
backflow preventer shall be installed within the supplier of water's premises
when and where appropriate to mitigate the hazard at the actual or potential
cross-connection. For all other community water systems serving customers
through service connections, an approved backflow preventer shall be installed
at the service line.
(3)
For community water systems, other than single property
community water systems, the requirement to install an approved backflow
preventer may be waived at the discretion of the supplier of water if the
supplier of water does all of the following:
(a)
Determines that
the auxiliary water system is on the real property but is not on the
premises.
(b)
Determines, on a case-by-case basis, that the
installation of an approved backflow preventer on a service connection is not
required in consideration of factors including, but not limited to, the past
history of cross connections being established or re-established on the
premises, the ease or difficulty of connecting the auxiliary water system with
the public water system on the premises, the presence or absence of
contaminants on the property or other risk factors.
(c)
Requires the
consumer to sign an agreement which specifies the penalties, including those
set forth in rule
3745-95-08 of the
Administrative Code, for creating a connection between the public water system
and the auxiliary water system.
(d)
Conducts or
causes to be conducted an inspection at least every twelve months to certify
that no connection or means of connection has been created between the public
water system and the auxiliary water system.
(e)
Maintains an
inventory of each consumer's premises where an auxiliary water system is on or
available to the premises, or on the real property adjacent to the
premises.
(f)
Develops and implements an education program to inform
all consumers served by the public water system about the dangers of
cross-connections and how to eliminate cross-connections.
(4)
Provisions in paragraph (C)(1) of this rule may be waived
for an auxiliary water system if any of the following conditions are met:
(a)
An auxiliary
water system is accepted as an additional source by the supplier of water and
the source is approved by the director, in accordance with paragraph (B) of
rule
3745-95-02
of the Administrative Code..
(b)
The connection to
the auxiliary water system is an approved connection for dual water supplies,
in accordance with paragraph (B) of rule
3745-95-02
of the Administrative Code and conforms to the following:
(i)
An approved
backflow preventer is installed at any point of connection between a public
water system or a consumer's water system and the auxiliary water
system.
(ii)
The connection meets the requirement in paragraph (B)
of rule
3745-95-05
of the Administrative Code.
(c)
The connection to
the auxiliary water system is for fire protection purposes only and meets the
requirements set forth in paragraph (C) of rule
3745-95-05
of the Administrative Code.
Replaces: 3745-95-04
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