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Water Use Rules in San Joaquin County, CA (2026)

2 county-level rules, plus city-specific rules for 4 cities in San Joaquin County, California.

Verified from official government sources

Note: These county rules apply to unincorporated areas of San Joaquin County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Recycled Water Rules

Recycled water is carved out of San Joaquin County's water use rules. Section 5-3400(e) defines it, § 5-3402(g) exempts it from the ban on ornamental fountains, and every drought stage in §§ 5-3411 through 5-3414 states that its restrictions do not apply to recycled water.

San Joaquin County Recycled Water Exemption

Few Restrictions

San Joaquin County Ordinance Code §§ 5-3400(e), 5-3402(g), 5-3411(d)

"Recycled water" means water from a local wastewater control facility supplied from designated hydrants under permit from the State Regional Water Quality Control Board. ... Use of water in publicly displayed ornamental fountains in public and commercial establishments, except for recycled or recirculated water. ... Restrictions in this stage do not apply to recycled water, or water delivered t...

Leak Reporting Duty

San Joaquin County Code § 5-3402(b) makes it unlawful to leave a leak, break, or malfunction in your own plumbing or distribution system unrepaired past the time it reasonably should have been found and fixed. The code presumes 24 hours from discovery or county notice is a reasonable window, and repeat violations escalate to flow restrictors and disconnection under § 5-3404.

San Joaquin County Water Leak Repair Duty

Some Restrictions

San Joaquin County Ordinance Code § 5-3402(b)

Fail to repair water leaks, breaks or malfunctions within the water user's plumbing or distribution system for any period of time within which such break or leak should reasonably have been discovered and corrected. It shall be presumed that a period of twenty-four (24) hours after the water user discovers such break, leak or malfunction, or receives notice from the County, any water provider o...

Water Use Rules by City in San Joaquin County

4 cities in San Joaquin County have their own water use rules rules. Each link goes to that city's dedicated page with code citations.

All San Joaquin County ordinances

See every category we cover for San Joaquin County: parking, noise, fences, fires, animals, pools, and more.

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