Long Beach, California Water Outage Today

Long Beach tap water system, by the numbers

Federal records name Long Beach Utilities Department as the public water system for Long Beach, with about 466,772 people on its mains. Customers know it as Long Beach Utilities; the name on your bill is the one to call.

What feeds the taps in Long Beach

Long Beach does not collect its own raw water. Long Beach Utilities Department buys surface water from Metropolitan Water Dist. of So. Cal. and Lakewood - City, Water Department and distributes it through its own mains. After treatment the water is held in 33 storage tanks and reservoirs, which is the buffer that keeps taps running for a few hours after a pump or main fails.

The outage angle. Local crews can fix local mains, but not a failure at Metropolitan Water Dist. of So. Cal. When that supplier cuts flow, Long Beach has only its tanks to fall back on, so check both its notices and those from Long Beach Utilities. EPA lists 1 emergency connection to neighboring systems, which can be opened to move water across a boundary during a failure.

What causes water outages and low pressure in Long Beach

These are the causes that match the record for Long Beach, listed roughly in order of how much they matter here.

• Long dry spells. The longest stretch without measurable rain since 2015 lasted 161 days, ending October 15, 2016. Dry soil shrinks and shifts around buried pipe, and breaks often cluster when the rain returns and the ground swells again.
• Flooding and heavy rain. NOAA logged 123 flood, flash flood and heavy rain reports in Los Angeles County from 2015 through 2026, and 5 days a year bring an inch of rain or more. High water can wash out the ground under buried pipe, flood pump stations and push treatment plants past their limits, which is why boil notices so often follow a flood.
• Older neighborhoods and pipe. 64.8% of occupied homes in Long Beach were built before 1970, against 35.5% nationally. Streets of that age tend to sit on cast iron and early steel mains that are near or past their design life, which is where most breaks start.
• 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.

How weather strains the Long Beach water system

Weather stress on the water system in Long Beach is moderate: freezes and heat waves are limited, so breaks tend to follow age, ground movement and construction more than weather.

These counts come from a gridded reanalysis, which smooths out single-day extremes and can differ by a few degrees from an airport thermometer. Use them to compare seasons and years, not as official station records.

Long Beach boil water notices and EPA compliance record

EPA lists no health-based violations for Long Beach Utilities Department since 2015. It also lists 1 monitoring or reporting entry that is about paperwork rather than water quality, such as a missed sample or a late report.

Most recent entries, all monitoring or reporting:

• April 2017: A missed or late monitoring or reporting requirement (chemical and radiological contaminants) It is marked resolved.

When Long Beach loses pressure after a break or a failed test, Long Beach Utilities 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 State Water Resources Control Board, Division of Drinking Water supervises the process.

What the lead tests and housing age say about Long Beach

The most recent 90th-percentile lead result filed for Long Beach Utilities Department is 1 ppb (2025). The federal action level is 15 ppb, so that result is comfortably below it.

The age of the housing matters more than the utility's test average: 64.8% of occupied homes in Long Beach predate 1970 and 1986 was the year lead pipe and solder were banned. Flush the cold tap after an outage and ask Long Beach Utilities whether your service line is on its lead inventory.

Restoration times for water outages in Long Beach

A crew that arrives at an ordinary main break in Long Beach usually needs 4 to 8 hours to isolate the pipe, dig, repair, flush and restore pressure. Large transmission mains, deep pipes and breaks under busy streets can take a day or more. With 466,772 people on the system, a break on a main that feeds a whole district can leave thousands of homes dry at once, and crews may close valves several blocks away to isolate it.

For a break that affects many customers, Long Beach Utilities usually posts an estimated restoration time. When you call, ask the dispatcher what the crew has told them.

Preparing for a long water outage in Long Beach

With about 2.7 people in the typical Long Beach home, FEMA's one-gallon-per-person-per-day rule means 8 gallons covers three days and 37 gallons covers two weeks.

• 18% 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.
• 58.8% of households rent. Tell your landlord or property manager about a leak or outage right away, since the shutoff valve may be theirs.
• A standard water heater is a ready-made 40-gallon reserve. Shut off its power or gas, open a hot tap somewhere in the house, and draw from the drain valve.
• 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.

Long Beach versus neighboring water utilities

Water outage pages for nearby cities

Anaheim, CA · Santa Ana, CA · Los Angeles, CA · Irvine, CA