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Public Works 

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General Information 

The City water system serves an area on the plateau, generally from Rhodes Lake Road on the south to the north Pierce County line. The City provides water to approximately 35,000 people with 14,049 residential connections and 280 commercial accounts (as of 2014). The large majority of the City water customers are residential. For more details on Bonney Lake water service, view the current Water Quality Report, below. A service area map is available to view on our Maps page.

City of Bonney Lake water is supplied by Grainger Springs, Victor Falls Springs, Tacoma Point Well Field and Ball Park Well. The City is dedicated to providing water that exceeds the quality requirements of the Department of Health and is going to great efforts to enhance our water quality and protect our water resources. View the Water Quality Reports below or contact us for more information on water quality.

Backflow Testing / Cross-Connection Control

 » List of Approved Backflow Testers 
 » Backflow Prevention Assembly Test Report Form

To protect health, state drinking water rules require public water systems to develop and implement Cross-Connection Control (CCC) programs. Under these programs, some water system customers (property owners) may have to install backflow prevention assemblies. Backflow assemblies must get tested (when installed and annually after that) to make sure they work properly. A DOH-certified backflow assembly tester must do the testing. (Source: Washington State Department of Health)

For questions related to backflow testing and prevention requirements please contact the Administrative Specialist II in the Public Works Department.

Water Quality ReportWater Quality Reports

Also known as 'Consumer Confidence Reports

View the Coliform Water Monitoring Sites map on our Maps page for testing locations in the Bonney Lake water service area.


Service Area Map sampleService Area Map

  • See the Maps Page for our Water Service Area Map

Water Usage & Conservation Tips

"Water conservation - using water efficiently and avoiding waste - is essential to ensure that we have adequate water today and into the future.  Water is a finite resource and the supplies on Earth today are no more than what was here at the beginning of the planet.  It is up to all of us to use the water we have wisely, and it is as simple as each of us making small changes. Make conserving water a daily part of your life. And remember when you save water, you save energy and money!" (Source - WA Department of Ecology)

Water Conservation TipsExcessive water use can result in high water bills, especially during summer months when water rates increase. To avoid high water bills, you can reduce and minimize your water use.

The City of Bonney Lake and Washington State Department of Ecology offer the following tips to conserve and reduce water use:


Water Conservation Advisories

During peak demand periods each day in July and August, Bonney Lake’s water system is heavily used. While our water supply capacity is adequate to meet ours and our neighbor’s needs, the pressure throughout our water system fluctuates frequently during peak demand periods. In order to prevent water pressure from getting too low in parts of our water system, City staff will occasionally place “Conserve Water” signs at entrances to our water service area. When you see the signs set out, we ask all our water customers to stop watering lawns, washing cars, and other outdoor activities. During periods when a Water Conservation Advisory is in effect, water customers using irrigation meters are asked to avoid watering grassy areas. We will only post these signs when absolutely necessary

Water Rates

The Finance Department Utilities Division is responsible for billing and taking payment for residential and business water use. For questions about utilities rates and payments, please see the Utilities page.


Water Division Crew Leads 
Assistant Public Works Director 
Administrative Specialist II – Operations

After-Hours Water/Sewer Emergencies - (253) 841-5538
For after hours emergencies related to pump station and grinder pump problems (such as alarms, strange noises, etc.) and/or broken water mains please call (253) 841-5538.

Public Works Center
19306 Bonney Lake Blvd
Bonney Lake, WA 98391
Mailing Address
City of Bonney Lake
Attn: Public Works Water Division
19306 Bonney Lake Blvd
Bonney Lake, WA 98391

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