A Los Angeles Department of Water and Power boil water notice alerts customers that the water may be unsafe to drink until testing confirms it is clear of harmful pathogens. These notices are issued after main breaks, pressure drops, or treatment issues, and following them carefully protects household health.
This guide explains how to respond to a Ladwp boil water notice, what it means for different uses, and how to restore normal routines safely once the notice is lifted.
| Notice Type | Typical Cause | Recommended Action | When to Use Boiled or Bottled Water |
|---|---|---|---|
| Precautionary Boil Water Notice | Main work, pressure loss, or suspected contamination | Bring water to a rolling boil for one minute | Drinking, brushing teeth, making ice, preparing baby formula |
| Mandatory Boil Water Notice | Confirmed contamination or planned water system repair | >Discard ice, use bottled or boiled water, follow official guidance | All contact that involves ingestion or food preparation |
| Do Not Use Water Notice | Severe contamination or chemical presence | Use alternative water supply, avoid all water contact | Any use that could involve swallowing or skin absorption |
| System Restoration Notice | Repairs completed, flushing underway | Flush pipes, boil water before use until tests pass | Continue boiling until official all-clear is issued |
What Triggers a Ladwp Boil Water Notice
Common System-Related Triggers
A Ladwp boil water notice is usually triggered by events that risk contamination from bacteria or sediment. Main breaks, valve repairs, and fire hydrant use can drop pressure and pull contaminants into the line. Heavy storms, power outages at pumping stations, or unusual turbidity readings also prompt precautionary notices to protect public health.
Notice Communication Channels
The utility notifies customers via email, text, automated calls, and on its official website when a boil water notice is issued. Local news outlets and social media posts may amplify the message so residents understand the scope and timing. Ladwp provides guidance on the expected duration of the notice and steps to safely use water during the event.
Health Risks and Safe Water Use
Pathogens and Exposure Concerns
Contaminated water can carry bacteria, viruses, or parasites that cause gastrointestinal illness, skin infections, or worse. Vulnerable groups such as infants, older adults, and people with weakened immune systems face higher risks. A Ladwp boil water notice specifically targets these threats by requiring extra treatment of water before use.
Household Safety Practices
Use bottled or boiled water for drinking, cooking, making ice, and mixing baby formula until the notice is lifted. Avoid using unboiled tap water in dishwashers, coffee makers, or humidifiers. When handwashing, soap and friction remain effective, but do not ingest the water or use it to rinse ready-to-eat foods.
Steps to Follow During a Boil Water Notice
Preparation and Response
Upon receiving a Ladwp boil water notice, stock bottled water if possible, and keep a supply for drinking and basic hygiene. Fill pots with tap water and bring to a vigorous boil for at least one minute if bottled water runs low. Let boiled water cool before storing it in clean, covered containers.
Home and Business Guidance
Restaurants and food businesses must follow boil water rules for all water used in meals, rinsing produce, and making beverages. Facilities with vulnerable populations, like schools or elder care centers, may coordinate with Ladwp for tailored guidance. Flushing pipes after a notice is lifted helps clear any residual particles and restore normal water quality.
Protecting Your Home After a Boil Water Notice
- Flush home water lines by running all taps until the water runs clear
- Sanitize refrigerator water and ice dispensers according to manufacturer guidance
- Replace water filters that may have been exposed during the notice
- Check faucets, toilets, and humidifiers for residual contamination
- Keep a small supply of bottled or boiled water for essential uses
FAQ
Reader questions
After a boil water notice is issued, can I still shower or bathe?
Showering and bathing are generally safe because you do not swallow the water, but avoid getting water into your mouth. Use caution with young children who might ingest water during bathing, and consider using boiled or bottled water for rinsing faces if possible.
Do I need to boil water used for dishwashing or laundry?
Use hot soapy water or a dishwasher with a sanitize cycle for dishes. For laundry, tap water is typically safe because detergent and heat during washing reduce risk, but follow any specific guidance from Ladwp that applies to your situation.
How long should I boil water to make it safe?
Bring clear water to a rolling boil for at least one minute, then let it cool naturally. If the water is cloudy, let it settle and then filter it through a clean cloth before boiling to improve clarity and effectiveness.
Will the water bill be adjusted if a notice is issued?
Ladwp may review service credits or assistance programs in certain extended outage or contamination scenarios. Customers concerned about billing impacts should contact Ladwp customer service directly for details specific to their account and the duration of the notice.