Renton, Washington Water Outage Today
Live Renton water outage reports, City of Renton Water Utility’s emergency line and the system’s federal record.
Weather data by Open-Meteo.com
No water outage reports in Renton, Washington in the last 24 hours
Who supplies water in Renton?
Drinking water in Renton, Washington is supplied by City of Renton Water Utility, which handles outages, main breaks and boil water notices for the city.
Public water systems in Washington are regulated by the Washington State Department of Health Office of Drinking Water.
To report no water or a main break, call City of Renton Water Utility at 425-430-7500.
Renton tap water system, by the numbers
City of Renton is the water system EPA lists for Renton, serving about 108,091 people. Customers know it as City of Renton Water Utility; the name on your bill is the one to call.
| Item | Detail |
|---|---|
| Water system in EPA records | City of Renton (WA5371850) |
| Run by | Local government |
| People served | 108,091 through 31,816 service connections |
| Source of the water | Groundwater (wells) |
| Active facilities listed by EPA | 13 active wells, 9 treatment points |
| Connections to other systems | 4 (4 listed as emergency supply) |
| State regulator | Washington State Department of Health Office of Drinking Water |
| Health-based violations since 2015 | 0 |
| Highest lead result (90th percentile) | 1.9 ppb, action level 15 ppb |
Source: EPA SDWIS (Safe Drinking Water Information System).
Where Renton's tap water comes from
Water in Renton comes out of the ground. City of Renton runs 13 active wells that lift it to the surface for treatment and distribution. Treatment points named in EPA's facility list include Corrosion Control Treatment Plant.
The outage angle. Every well runs on its own pump motor. A regional power cut can take many small sources offline at once, and the utility has to decide which wells have generators and which zones to prioritize. Ask City of Renton Water Utility whether the wells that feed your neighborhood have standby power. EPA lists 4 emergency connections to neighboring systems, which can be opened to move water across a boundary during a failure.
What causes water outages and low pressure in Renton
These are the causes that match the record for Renton, listed roughly in order of how much they matter here.
- Freezing weather. Renton sees about 28 days a year with a low at or below 32°F, and 1 day at or below 20°F. The coldest morning in the 2015 through 2025 record came on January 13, 2024. The longest stretch with highs that never rose above freezing ran 4 days, ending December 29, 2021. Frozen service lines and meters cause single-address outages, while ground frost and thaw cycles crack older mains and produce the street-wide breaks.
- Younger pipe, different risks. Only 27% of occupied homes in Renton predate 1970 (US 35.5%), so more of the network is newer plastic or ductile iron. Breaks tend to come from construction damage, pressure surges and weather rather than age.
- Construction and third-party damage. A backhoe or boring crew that hits a main is among the most common reasons a single block goes dry without warning. Utilities handle those the same way as any break: isolate, repair, flush.
- Planned shutoffs and a problem at one address. Valve replacements and new connections are announced ahead, often with door hangers. If neighbors have water, check your own shutoff valve, meter and pressure regulator before calling.
Freeze, heat and rain: the Renton weather record
Main break season in Renton runs from late fall into early spring, with the coldest stretch around January through March.
| Measure | Value |
|---|---|
| Days a year at or below 32°F | 27.5 |
| Days a year at or below 20°F | 1.1 |
| Days a year with a high at or below 32°F | 1.5 |
| Days a year at or above 95°F | 0.3 |
| Days a year at or above 100°F | 0.2 |
| Days a year with an inch of rain or more | 5 |
| Average annual precipitation | 50.2 in |
| Wettest year | 2016 (57.2 in) |
| Driest year | 2019 (35.5 in) |
| Coldest day in the record | January 13, 2024 |
| Hottest day in the record | June 28, 2021 |
Source: NASA POWER daily reanalysis (MERRA-2) for the city center, 2015–2025.
Freezing days peak in February, averaging 7.9 a year. Source: NASA POWER reanalysis, 2015–2025.
The wettest year was 2016 with 57.2 inches; the driest was 2019 with 35.5. Source: NASA POWER reanalysis, 2015–2025.
Because this is gridded reanalysis data, individual hot and cold days can read a few degrees off what the airport recorded. The day counts and yearly patterns are the useful part.
Is Renton water safe? Boil notices and EPA record
Since 2015, EPA's record for City of Renton shows no health-based violations.
When Renton loses pressure after a break or a failed test, City of Renton Water Utility asks affected customers to boil water for drinking and cooking. The notice ends only after samples come back clean, which usually takes one to two days after service returns, and the Washington State Department of Health Office of Drinking Water supervises the process.
Lead, older pipes and water quality in Renton
The most recent 90th-percentile lead result filed for City of Renton is 1.9 ppb (2025). The federal action level is 15 ppb, so that result is well under it.
Highest result on file: 1.9 ppb. Source: EPA SDWIS.
27% of occupied homes in Renton were built before 1970, and lead service lines and solder stayed legal until the federal ban in 1986. After any outage that disturbs the pipes, run the cold tap 30 seconds to 2 minutes before drinking, and ask City of Renton Water Utility about its lead service line inventory.
Restoration times for water outages in Renton
Most repairs of an ordinary main break in Renton take half a day once the crew is on site. Bigger mains, deep bury and busy roads stretch that to a day or more.
| Situation | Typical time |
|---|---|
| Planned shutoff | Time window posted ahead; water often returns early |
| Ordinary main break | About 4 to 8 hours after the crew is on site |
| Large or deep main | A day or two, sometimes three |
| Low pressure after a pump or power failure | Until power returns and tanks recover, often within a day |
| Boil water notice after service returns | About 24 to 48 hours, until lab tests are clean |
| Frozen service line or meter | Until it thaws or a plumber repairs it |
Source: Utility practice, EPA and state boil water guidance.
Ask City of Renton Water Utility for a restoration estimate when you report the outage; for large breaks it is normally posted and updated as the repair progresses.
Preparing for a long water outage in Renton
With about 2.6 people in the typical Renton home, FEMA's one-gallon-per-person-per-day rule means 8 gallons covers three days and 36 gallons covers two weeks.
- 18.6% of homes are in buildings with 20 or more units. Upper floors lose pressure first, and rooftop tanks and booster pumps depend on building power.
- Your water heater tank holds 30 to 50 gallons of clean water. Turn off the power or gas to it first, then drain from the valve at the bottom.
- If a planned shutoff or storm is coming, fill the tub and some buckets for flushing toilets and washing; keep drinking water in clean sealed containers.
Renton versus neighboring water utilities
| City | System | People served | Source | Health violations since 2015 | Highest lead (ppb) |
|---|---|---|---|---|---|
| Renton, WA | City of Renton | 108,091 | Ground | 0 | 1.9 |
| Kent, WA | Kent Water Department | 166,421 | Bought (surface) | 0 | 1 |
| Bellevue, WA | City of Bellevue | 321,349 | Bought (surface) | 0 | – |
| Seattle, WA | Seattle Public Utilities | 1,161,961 | Surface | 1 | 4.1 |
| Tacoma, WA | City of Tacoma Water Division | 446,170 | Surface | 0 | 2.1 |
Source: EPA SDWIS.
Water outage pages for nearby cities
Renton boil water notices and main breaks
City of Renton Water Utility posts Renton boil water notices, main breaks and planned shutoffs on its own site and alerts. What a notice requires: water outage guide.
Renton frequently asked water questions
Who do I call about no water in Renton?
City of Renton Water Utility at 425-430-7500, day or night. Use 911 only if a main break is flooding property or roads.
Is Renton water from a river, lake or well?
Groundwater supplies Renton, according to EPA records for City of Renton.
Can you drink the tap water in Renton?
EPA lists no health-based violations for City of Renton since 2015, and its latest 90th-percentile lead result is 1.9 ppb against the 15 ppb action level. Follow any boil water notice until the utility says it is over.
When is water main break season in Renton?
Winter, mostly. Renton sees roughly 28 days a year at or below freezing, and the peak runs January through March. Expect breaks to cluster just after sharp temperature swings.
What causes low water pressure in Renton?
Check whether neighbors have the same problem. If they do, it is probably a main break, a pump problem or evening demand, and City of Renton Water Utility should hear about it. If not, the cause is likely inside your own plumbing.
How long do boil water advisories last in Renton?
Plan on one to two days after pressure is back. City of Renton Water Utility samples the water, waits for clean lab results and then lifts the notice, with the Washington State Department of Health Office of Drinking Water overseeing the steps.
How many gallons of emergency water does a Renton family need?
One gallon per person per day is the FEMA minimum. For Renton that means about 8 gallons to cover three days for an average household of 2.6, and 36 gallons for two weeks.
Should I worry about lead in Renton water?
Lead pipe was legal until 1986, and 27% of occupied homes in Renton predate 1970, so it is possible in older neighborhoods. City of Renton Water Utility can tell you what your service line is made of; a lead-certified filter is a sensible precaution if you are unsure.
How do I check for water outages near me in Renton?
We do not run a pipe map. The report count at the top of this page shows what other people in Renton have reported in the last 24 hours. For the official picture, check City of Renton Water Utility for its outage page, alerts and social accounts.
More outage pages for Renton and nearby
Other outage types in Renton
Water Service Outages in cities near Renton
- Kent, WA 7 mi · City of Kent Water
- Bellevue, WA 9 mi · Bellevue Utilities
- Seattle, WA 10 mi · Seattle Public Utilities
- Tacoma, WA 19 mi · Tacoma Water
- Everett, WA 34 mi · City of Everett Public Works
- Yakima, WA 101 mi · City of Yakima Water
Report counts are user-submitted; other figures name their official source. How our data works
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