426M+
gallons delivered each day
LADWP says its water system serves an average of more than 426 million gallons a day to Los Angeles residents, businesses and visitors.
Source: Los Angeles Department of Water and Power, 2026Research reference
Los Angeles water & plumbing statistics: 2026
A practical, source-linked snapshot of local water delivery, household leaks and California efficiency standards. Built for property owners, writers and anyone looking for dependable context around plumbing and water use in Los Angeles.
Last updated: October 6, 2026View sources
At a glance
Why these numbers matter to a property.
Water use is a property issue before it becomes a plumbing emergency. These figures do not diagnose a home or commercial building, but they do show why persistent drips, running toilets and unexplained usage deserve a closer look.
743,000
residential and business water services
LADWP reports supplying roughly 146 billion gallons annually to 743,000 services in the City of Los Angeles from 2019 through 2023.
Source: Los Angeles Department of Water and Power, 2019–2023101
gallons used per resident, per day
LADWP reports average daily use of about 101 gallons per resident, a useful reminder that small fixture or supply-line leaks can add up across a property.
Source: Los Angeles Department of Water and Power, 2019–20239,300+
gallons an average household leak can waste yearly
EPA says the average household's leaks can account for more than 9,300 gallons of water wasted in a year.
Source: U.S. Environmental Protection Agency, 20269%
of homes have leaks of 50+ gallons per day
EPA estimates that nine percent of homes have leaks that waste at least 50 gallons a day, often from fixtures or valves that do not look dramatic at first.
Source: U.S. Environmental Protection Agency, 202612,000
gallons per month, a winter leak warning for a family of four
EPA advises that a family of four with no outdoor winter water use may have a serious leak when monthly use exceeds 12,000 gallons.
Source: U.S. Environmental Protection Agency, 20263,000+
gallons a one-drip-per-second faucet can waste yearly
EPA notes that a faucet dripping once per second can waste more than 3,000 gallons in a year.
Source: U.S. Environmental Protection Agency, 202642
gallons per capita per day in California's 2030 indoor standard
California's 2022 law sets an indoor residential water-use efficiency standard of 42 gallons per capita per day beginning in 2030, as implemented through supplier water-use objectives.
Source: California Department of Water Resources, October 2023What to do with the data
Start with the condition you can verify.
A higher water bill, a fixture that runs after use or a meter that moves when the property is quiet can justify a plumbing check. The right next step depends on the condition, from a focused fixture repair to a broader assessment when the evidence points there.
Explore plumbing services →Methodology & sources
How to cite this page.
This page summarizes public information from LADWP, the U.S. Environmental Protection Agency and the California Department of Water Resources. Each figure is linked directly to its source and dated according to the source material cited. We review this page monthly and update it when a key source changes.
Suggested citation
Anytime Rooter. “Los Angeles Water & Plumbing Statistics: 2026.” Updated October 6, 2026. https://anytimerooter.com/resources/los-angeles-water-plumbing-statistics