If you’ve been looking for porter ranch granada hills boil water, it’s no doubt because of the precautionary boil water notice across thousands of customers in these San Fernando Valley neighborhoods. Announced by the Los Angeles Department of Water and Power on August 2025, as a result of extensive repairs made to Their water system, which caused temporary disturbances, the advisory was completely lifted in mid-August. Does Porter Ranch-have lead in their water and need to boil-love2Please note – as of January 2026, there are no active boil the water notices to residents in Porter Ranch or Granada Hills-its safe to drink. In this guide, we will zone in on the incident, have a look at the timeline and impacted areas plus provide some useful FAQs.
What Led to the Porter Ranch Granada Hills Boil Water Notice?
The porter ranch granada hills boil water advisory started on August 6, 2025 in response to the failure of a critical valve to resupply at a pump station during scheduled maintenance. It interrupted service to a 10-million-gallon tank, which in turn led to low pressure or no water at all for more than 9,000 customers in parts of Porter Ranch (ZIP code 91326) and Granada Hills (ZIP code 91344).
Low pressure could possibly cause the entrance of contaminants to the system, hence the LADWP and State Water Resources Control Board’s notice of caution. Until tests proved safe, residents were advised to boil tap water or use bottled water for drinking and cooking.
Key Dates in the 2025 Boil Water Advisory
- Water boil order issued Aug. 6, 2025; water shut off in infected areas.
- Aug. 9-10: Repairs made more difficult by other pipe problems; community resources put to work (bottled water, showers).
- Aug. 11: Water service is completely back on as of overnight.
- Aug. 12 Rigorous testing, test at lab; notice officially lifted
LADWP handed out millions of bottles of water and offered mobile facilities during the outage.
Affected Regions and How to Verify
The advisory affected areas generally north of Rinaldi Street or the 118 Freeway (whichever is farther north) and west of Balboa Boulevard. An interactive map for address-based checks was available on LADWP’s Web site.
No such incidents have been reported since the warning was lifted in August 2025.
Precautions During a Boil Water Notice
If another warning is issued in the future, this advice applies:
- You should boil the water for 1 minute in a rolling boil before drinking, cooking or brushing your teeth or making ice.
- Drink bottled water as an alternative.
- Showers, flush toilets and water the plants can be conducted with tap water.
- Throw away ice, drinks, and any food made with unboiled water during a boil advisory.
Current Status: Is There a Boil Water Notice Now?
No boil water notice is currently in effect for Porter Ranch, Granada Hills or any place in Los Angeles as of January 2026. Post-repair tests of water quality verified safety, and residents were given a $20 bill credit for flushing pipes.
For real-time information, visit LADWP’s water quality page or call 1-800-DIAL-DWP.
Porter Ranch Granada Hills Boil Advisory FAQs
According to LADWP’s own guidance, here are the most popular questions from the 2025 advisory:
Can I drink the water now in Porter Ranch and Granada Hills?
Yes— starting August 12, 2025 and continuing into 2026—tap water is completely safe following vast laboratory tests.
What was behind the boil water notice?
There was low pressure caused by valve malfunction during maintenance, where cross contamination potential became a concern as a precautionary measure.
How long was the boil water advisory in place?
Aug. 6-12, 2025 — approximately one week.
Did all Porter Ranch and Granada Hills residents suffer?
Not exactly — just certain sections, mostly north of the 118 Freeway and west of Balboa Boulevard. Refer to LADWP’s map for precise boundaries.
Can I take a shower or wash dishes if there is a boil water notice in place?
Yes, for showering and handwashing (with soap). For dishes, wash in hot soapy water and rinse in boiling water, or run the dishwasher on a high-heat setting.
What about pets?
Give pets boiled (and then cooled) or bottled water.
Will I get compensation?
Customers received a $20 credit for flushing their pipes in 2025.
How do I find out if there is another boil water notice?
LADWP notifies customers by email, phone and wireless emergency alerts. Sign up at ladwp.com.
Who do I call if I have water quality complaints?
Call LADWP at 1-800-DIAL-DWP (24 hours a day any day of the year) or the Water Quality Hotline at (213) 367-3182.
Key Findings: Staying Prepared About Water Advisories
Porter ranch granada hills boil water event august 2025 was a precautionary measure it demonstrated how fast LADWP responded. Now that the issue has been corrected, and there are no other problems residents can resume using their normal tap water.
Keep informed by listening to official information, and store emergency bottled water for the next time you have an urgent need. If you have questions, I suggest contacting LADWP. Safe drinking!