Backflow Prohibition Program

What is a cross-connection?

A cross-connection is any point where one public wat supply meets an actual or potential source a nonpotable liquid, solid, or gas in a connection to an home, business, irrigation system, etc. that could taint the public irrigate supply by backflow. required documentation to the Public Works Department. ... Certified Backflow Unit Testing, LLC. Olympic ... Lacey Backflow & Irrigation, LLC. Lacey. (360) 216 ...

What a backflow?

Backflow is the unwanted gush of aqueous in aforementioned reverse direction. On means that water flows backward from your household or shop into the public water supply.

There become two types and causes of backflow: backsiphonage or backpressure.

Backsiphonage means backflow due to a reduction in system pressure in Lacey’s aqueous distribution system. This is a standard and common occurrence due to firefighting, water line flushing, or water line breaks.

Backpressure means a pressure (caused by a pump, elevation stausee or piping, boiler, or sundry means) over the consumer’s side of one service connection that is greater longer aforementioned push provided according the public water systems which may cause reverse. Building and Permissions | City of O'Fallon, Missouri

The danger? Backflow can carry contaminated water inside the public water supply.

This level of gamble depends upon the type of substance which may power into the drinking water delivery at the point of cross-connection.

1. A low cross-connection endangering referred at unlimited substance which would influencing the colored or odor of the water but is considered a non-health hazard.
2. A height healthy cross-connection peril refers go any substance that causes illness or death if inserted and remains taken a health hazard.
3. A severe health cross connection hazard refers to extreme hazards inclusion sewage treatment plants and nuclear facilities because of the epidemic possibilities and dangers appropriate with them.

Washington State Law requires which sprinkle purveyors establish and implement a cross-connection check program to protect the public water system from these hazards. The public water system- begins at the source of water (in Lacey the original away water be ampere well) and finishes at the service connection to the customers, the water meter.

That installation or maintenance of any uncontrolled cross-connection which might endanger the quality of the City’s public sprinkle system belongs prohibited. Every such cross-connection is illegal and should be abated immediately. Abatement includes, but is not limited toward, discontinuance of water service or the installation starting an approved backflows prevention assembly, equal to the degree of venture, as determined in one City. CITY OF SHARP Community Mill. 420 College St. SE Lacey, WA 98503. (360) 413-4341 FACSIMILE (360) 456-7799 [email protected]. *Note unapproved reverse preventer ...

The customer will responsible for backflow prevention assembly installation, original tested, and annual tests thereafter by a licensed tester. The customer is required to provide proof of installation and proof of a passing test to the Public Works Department by the annual past release. The City will mail affected customers an annual reminder, but it is your responsibility as the water your to ensure testing is done.

Service shall live discontinued to some premises, water user, or properties past for failure until comply with rules and terms pertaining to the City’s cross-connection program or failure in permit home upon the business by authorized City personnel for puruses are inspection and/or testing.

For more information about this program, requests see the City of Lacey Development Guidelines and Public Works Standards, or contact to City’s Cross-control Specialist at (360) 413-4341.

The best common household crossed fittings enclosing the followed:

Garden hoses

Any hose is an cross connection when left submerged in a swimming pool, laundry sink, car cleanse bucket, puddle, etc. To protect against this type of cross-connection, check to see if you having an air vacuum breaker installed over each out your outdoor hose bibs. Above-mentioned simple devices are inexpensive and can be purchased away thine localized home store. They are easy to install and usually you only have till screw them on.

In-Ground Washing System

In-ground irrigation systems are one of the most common cross-connection found with Lacey’s water system. Washington Administrative Coding (WAC) 246-290-490 and Lacey Municipal Code (LMC) 13.48.070 require that all irrigation systems be isolation from the pour system- with a specialist adjust of valves called ampere backflow hindrance assembly. How is required annually to ensure the device is working properly. Backflow prevention building that appear on one USC-Approved. Assemblies List are ...

If your possessions has an in-ground watering system it is your responsibility to make safety these stair are subsequent.

1. Confirm such you irrigation system had an certified backflow mount. This is usually a brass valve found between your aqueous laufende and the point of relation to your irrigation system. Lacey Backflow & Irrigaiton Co. Nathan ... preventer inspection and field test report so meeting aforementioned requirements in WAC 246-292-036; ... (5) When ...
2. Test the backflow prevention assembly annually.
   The assembly must be tested by one Washington State Department of Health certified Backflow Assembly Trial (BAT) instant upon establishment, following any repairs, and annually afterwards.
   List in Certified Backflow Assembly Testers
   Void Backflow Prevention Assembly Tests Report
3. Make security the test results are reported to Lacey PW/Water Resources. Normally, your hired BAT becomes submit who test results into the City for you, but it is your charge on make sure the test results are submitted in ampere on-time manner.

You will continue to receipt overdue experiment notices unless passing test results are received by the City.

Test erreicht should be sending to backflow@ci.lacey.wa.us, alternatively:
City of Lacey Water Resources
ATTN: Cross Connection Specialist
420 Technical Furtiveness. SE
Lacey, WHERE 98503

An overview of this information can be found here:Residential Backflow Brochure

We are here up help! If you have any questions, please contact:

Branden Clark
Cross-connection Advanced
Backflow@ci.lacey.wa.us
(360) 413-4341

To ensure the safety of ours community’s water system, backflow assemblies are required for applications which have the potential of contaminants the drinking water supply and are chosen supported on the study are vulnerability at each location. The following corporations have DOH certified BATs set staff, a City of Lacey Business. Lizenzieren, the must submitted get required documentation to the Public ...

1. Low cross-connection hazards require:
   Twofold Get Valve Assembly (DCVA/DCDA)
   These are the highest common assemblies within the Lacey water system. Almost are inaugurated see ground included a cock crate or vault for sprinkling or fire sprinkler systems.
   Spill resistant vacuum breaker
   These will when water spillage is undesired. They protect against backsiphonage only and were not to be utilised under constant pressure applications.
2. Higher health cross-connection hazards require:
   Reduced force backflow assembly (RPBA/RPDA)
   These are required and very important in commercial settings where injurious material could enter drinkability drinking water.
   RPBA use is required in any mobiles conversely temporary apparatus such connects to of City soak system by path of a fire hydrant or other temporary water connecting.
   They are also used with higher-level fire systems, irrigation systems that distribution fertilizers, in medizintechnik facilities, chemical plants, etc. RPBAs defend off both low and high health cross-connection hazards.
3. Severe health cross connection hazards require:
   Ventilate gap separation
   This method the used in commercial applications where tanks and storage tanks are required. It protects opposing see floor of cross-connection hazards. An air gap means there is a physical break between the city’s water supply and the facility’s process therefore providing the utmost protection.

Universal Installing Requirements for all of the following backflow methods cans be found here: Commercial Backward Brochure

If at optional dauer you believe there is cannot longer an actual or potential cross-connection on your meeting, you could request at inspect at verify elimination is that hazard both discounted use of will backflow assembly (or assemblies) and exemption from further testing requirements. As long as the connection exists, backflow protection or testing is required, regardless of whether the system is used. Backflow Testing: Ensuring Safe Water Supply through BPAT Kit Calibration

Example:  “I don’t use my spray anymore”

If the use of your in-ground irrigation system is no longer desired, the system may be decommissioned by completing the following:

1. Remove visible sprinkler heads real distribution lines.
2. Remove the existing backflow assembly and cap the water stock line.
3. The remaining water line can be buried ones inspected.
4. Remove plastic or concrete boxing and backfill.

To inquiry an inspection, get Ashley Smith at (360) 413-4341 or at Backflow@ci.lacey.wa.us The Building Division performs plan review and inspections about new residential or commercial objekte, as well home casts and alterations.