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The City of La Crosse Wisconsin
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The City of La Crosse Wisconsin

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Protection of the Public Water Supply System
In general, the installation of plumbing in compliance with the plumbing code will provide adequate protection for your plumbing system. Also, washing machines and refrigerator ice makers already incorporate backflow prevention.

The Water Utility will inspect each property to ensure there is adequate protection for the
public water system. 

Backflow Prevention Devices


Diagram of Backflow Prevention
Hose bibb with Backflow Prevention Device #ASSE 1011


Hose Connection Vacuum Breaker

Hose connection vacuum breakers are specifically made for portable hoses attached to hose thread faucets. Their purpose is to prevent the flow of contaminated water back into the drinking water. These devices screw directly to the faucet outlet. They can be used on a wide variety of installations, such as service sinks, hose faucets near a wading pool, laundry tub faucets, etc.

Some units are designed for manual draining for freezing conditions. Some are furnished with breakaway set screws as a tamper proof feature. All hand-held shower heads shall be hung up properly to prevent possible cross connection. These devices are not intended for operation under continuous pressure.

Diagram of Hose Bibb and Vacuum Breaker
Hose bibb with recommended self draining vacuum breaker (Device #ASSE 1011)


Image of hand held shower head
Hand-held shower head requires the proper installation of a visible standard hose connection (Backflow Preventer Device #ASSE 1014)







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La Crosse
400 La Crosse Street, La Crosse, WI 54601
Grand River Great City, La Crosse, Wisconsin