Water Utility Engineering

Contact Information
Water Utility
Renton, WA 98057

The Water Utility Engineering division is responsible for planning, permitting, design and management of capital improvement projects, policy development, design standards for new development, system planning, customer service, and public education programs such as aquifer awareness.

The division also helps businesses in the city's aquifer protection area with permits and inventories of supplies and materials in accordance with the city's aquifer protection ordinance.

Draft 2019 Water System Plan Update

This draft 2019 Water System Plan Update was prepared in accordance with Chapter 246-290 of the Washington Administrative Code, as presented in the Washington State Department of Health regulations for Group A Public Water Systems and is primarily an update to the 2012 Water System Plan. 

The purpose of this Water System Plan is to develop a long-term planning strategy for the City’s water service area. The Plan evaluates the existing system and its ability to meet the anticipated requirements for water source, quality, transmission, storage, and distribution over a twenty-year planning period. Water system improvement projects have been developed to meet the changing demands of regulatory impacts, and population growth, as well as infrastructure repair and replacement. The Plan also identifies planning level costs of the improvement projects and provides a financial plan for funding the projects.

Draft 2019 Water System Plan Update: Executive Summary and Chapters 1-10

Draft 2019 Water System Plan Update: Appendices A-M

Draft 2019 Water System Plan Update: Appendices N-T

Report Water Emergencies - No Water? Leaky Water Meters? Broken Pipes?

For emergencies such as leaky water meters, no water, broken pipes, or flooding of residential streets or businesses, please contact the Maintenance Services Division at 425-430-7400.

After 3:30 p.m. or on weekends, if the emergency cannot wait until the next business day, please call the Renton Police Department at 425-430-7500.

Water Availability and Permits

For water availability, please contact the Permit Center or call 425-430-7200 or 425-430-7266.

A plumbing permit is required for any repair, replacement, or installation of water lines. For information on obtaining permits, please contact the Permit Center.

Water Conservation

Water conservation should not just be a response to droughts. It can, with a little effort, become a habit that not only saves money, but helps preserve the environment as well.

Renton, as a member of the Saving Water Partnership (a group of local water utilities in Seattle and King County working together to help customers save water and money) supports the region's water conservation goals.

Water Quality Report

To comply with the Federal Safe Drinking Water Act, which requires water utilities to provide annual "consumer confidence" reports to their customers, the city prepares the annual Water Quality Report.

Cross Connection Control Program - Backflow Testing Information

The Cross Connection Control Program'spurpose is to protect the public water supply by preventing contaminants from entering the public water system. To prevent the potential for backflow water into the public water system, backflow prevention devices must be installed and tested annually.

The backflow assembly must be tested by a Washington State Certified Backflow Assembly Tester (BAT).  Here is a partial list of certified BATs and a backflow test report form.

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