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Los Angeles County, CA Water Use Rules: Leak Reporting Duty (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Governing section
LA County Code § 11.38.640
Companion duty
§ 11.38.630(D), outdoor leaks
First violation
Written warning only
Repeat violation
$500 fine per day
Repair standard
As soon as reasonably practicable
Scope
Unincorporated LA County only

Summary

In unincorporated Los Angeles County, County Code § 11.38.640 makes leak repair a legal duty, not a suggestion: anyone who owns or rents premises with accessible indoor plumbing or faucets must inspect for leaks and fix them 'as soon as is reasonably practicable.' A companion duty at § 11.38.630(D) covers outdoor hoses, faucets and sprinkler systems.

City-specific rules exist: Norwalk, Downey, West Covina, El Monte, South Gate, Pasadena, Lakewood, and Pomona have their own leak reporting duty rules that differ from Los Angeles County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

11.38.630 - Watering of Lawns and Landscaping. ... D. It shall be the duty of all persons who own or rent premises that have hoses, faucets and sprinkling systems to inspect for leaks, and to cause all leaks to be repaired as soon as is reasonably practicable. ... 11.38.640 - Indoor Plumbing and Fixtures. A. It shall be the duty of all persons who own or rent premises that have accessible indoor plumbing and faucets to inspect for leaks, and to cause all leaks to be repaired as soon as is reasonably practicable. B. Willful violation hereof shall be subject to a written warning for the first violation, and shall be an infraction punishable by a fine of $500.00 for each day thereafter on which a violation occurs.

Source: LA County Waterworks DistrictsView official code

Full Breakdown

The duty sits in Part 4 of Title 11 (Health and Safety), 'Water Conservation Requirements for the Unincorporated Los Angeles County Area,' adopted by Ordinance 91-0046U in 1991 and last amended by Ordinance 2015-0004. 630(D), in the same Part, imposes the identical inspect-and-repair duty on anyone whose premises has hoses, faucets or a sprinkler system used for lawn or landscape watering. Neither section sets a fixed repair deadline: the standard is 'reasonably practicable,' judged case by case rather than by a calendar count. 630(A)-(C)), so an unrepaired leak that causes runoff can trigger a separate violation on top of the leak duty itself.

680 requires the Director of Public Works, with the Director of Public Health's concurrence, to review these water-conservation provisions at least every two years, with the first review completed by December 31, 2010, and to recommend updates to the Board of Supervisors.

Violations & Fines

Willful violation of either leak duty draws a written warning for the first offense under §§ 11.38.630(E) and 11.38.640(B). After that warning, every additional day the leak goes unrepaired is charged as a separate infraction punishable by a $500 fine, so a plumbing or irrigation leak left unaddressed after notice becomes a recurring daily penalty rather than a one-time citation.

Frequently Asked Questions

Does this rule apply within the City of Los Angeles?
No. It only binds property in the unincorporated area of LA County. The City of Los Angeles and the county's other 87 incorporated cities enforce their own municipal codes, not this county water-conservation chapter.
How long do I have to fix a leak once I find one?
The code sets no fixed number of days. Section 11.38.640(A) requires repair 'as soon as is reasonably practicable,' which county staff apply case by case rather than against a specific deadline.
What happens if I ignore a leak after being warned?
The first violation only gets a written warning under § 11.38.640(B). After that, county code treats every additional day the leak continues as a separate infraction carrying a $500 fine, so delay gets expensive fast.
Does the duty cover sprinklers and hoses too?
Yes. Section 11.38.630(D), in the same water-conservation Part, separately requires anyone with hoses, faucets or a sprinkler system on owned or rented premises to inspect for leaks and repair them promptly.

Sources & Official References

Other rules in Los Angeles County

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