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City of Milwaukee
Cross Connection Program
Construction Trades Division
Cross Connection Section
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Why is Milwaukee conducting
Cross Connection Surveys?
• Safe Drinking Water Act (SDWA) passed by
congress in 1974
• Department of Natural Resources:
NR 811.09
• Milwaukee Code of Ordinances:
Volume 1 97-12
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Safe Drinking Water Act (SDWA)
• The Safe Drinking Water Act (SDWA) was
originally passed by Congress in 1974 to
protect public health by regulating the
nation's public drinking water supply.
• The law was amended in 1986 and 1996
and requires many actions to protect
drinking water and its sources, rivers,
lakes, reservoirs, springs, and ground
water wells.
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Safe Drinking Water Act (SDWA)
• SDWA applies to every public water
system in the United States.
• The responsibility for making sure these
public water systems provide safe drinking
water is divided among US EPA, states,
tribes, water systems, and the public.
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Department of Natural Resources
NR 811.09
Cross-connections and
interconnections
• CROSS-CONNECTION CONTROL PROGRAM.
• The supplier of water for every municipal water system shall develop and implement a comprehensive control program for the elimination of all existing cross-connections and prevention of all future cross-connections.
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Milwaukee Code of Ordinances
97-12
Cross-Connection Control Regulations
• 97-12-1. PURPOSE. The purpose of this
section is to protect consumers and public
water supply system of the city from the
possibility of contamination or pollution due
to a backflow of contaminants into building
plumbing and/or into the public water supply
system.
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Memorandum of Understanding
• The Department of Neighborhood Services
through a Memorandum of Understanding
established a Cross Connection Control
Program for the Milwaukee Water Works.
• The program began in 2005 to conduct
inspections of commercial buildings on a ten
year periodic cycle.
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What is a Cross Connection?
• To help better understand Backflow
Prevention & Cross Connection Control we
will now show a 14 minute video prepared by
the American Water Works Association
addressing this concern.
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Cross Connection Control Program
• Approximately 15,800 commercial water accounts serve buildings in Milwaukee.
• Six Plumbing Inspectors will be conducting the inspections under this program.
• The Plumbing Inspectors developed a reference manual identifying the various types of cross connection configurations and the proper cross connection control devices to correct them.
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Cross Connection Survey
What to Expect
• Most inspections are initiated as a cold call.
• A visual inspection of all exposed water supply piping from the water meter to the point of use.
• Identification all cross connections observed during the visual inspection.
• A review of all existing testable assembles and their required annual inspection and test reports.
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Inspection Results
• If no cross connections are observed the inspection is recorded as passed.
• If cross connections are observed the Department of Neighborhood Services will send an Inspection Report and Order to Correct Conditions.
• The property will be recorded as failed until the corrections have been made and re-inspected.
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Typical Cross Connections
• Apartments
- Laundry Tub Faucets
- Hose Faucets
- Boilers
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Typical Cross Connections
• Office Buildings
- Boilers
- Chillers
- Soap Dispensers
- Water Closets
- Coffee Makers
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Typical Cross Connections
• Restaurants
- Beverage Dispensers
- Food Grinders
- Steamer
- Dishwasher
- Glass Washer
- Soap Dispenser
- Hose and Spray
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Typical Cross Connections
• Manufacturing Plants
- Chemical Dispensers
- Cooling Towers
- Boilers
- Hose Faucets
- Equipment using Potable Water
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Hose Bibb
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Janitors Faucet
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Laundry Tub Faucets
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Hose Bibbs – Medical Whirlpool
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Hose and Spray
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Hose and Spray
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Fill Valve
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Backflow Preventer
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Boilers
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Electric Boiler
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Cooling Towers
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Coffee Makers
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Carbonator
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Carbonator
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Soap Dispenser
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Commercial Dishwasher
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Parts Washer
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Chemical Dispenser
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Time Frame for Corrections
• The typical Inspection Report and Order to
Correct Conditions will provide 30 days to
correct.
• For more unusual cross connection
conditions a longer time for compliance may
be specified.
• Appeals for additional time to comply are
made to the Standards and Appeals
Commission.
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Correcting Cross Connections
• Hose thread vacuum breakers may be
installed without a permit by anyone.
• A licensed plumber working under a permit
is required for any other form of cross
connection correction.
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Order Compliance
• Call for re-inspection by owner or plumbing contractor.
• Re-inspection of cross connection violations.
• An abated status is provided on the Inspection Report and Order to Correct Conditions if all items are addressed.
• The property status is changed from failed to passed.
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See You in Ten Years
• We have a display table with examples of
cross connection control devices and a copy
of the reference manual.
• We will take questions at this time.