Water Use Rules in Chino Hills, CA (2026)
3 verified water use rules for Chino Hills, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Turf Replacement Rebates
Under CHMC § 16.07.150, a residential landscape project of 2,500 square feet or less that uses the prescriptive compliance option cannot cover more than 25 percent of its landscape area in turf, and turf is barred outright on comparable non-residential projects. Larger or rehabilitated projects instead calculate a numeric Maximum Applied Water Allowance under Chapter 16.07.
Chino Hills 25 Percent Residential Turf Cap
Some RestrictionsChino Hills Municipal Code § 16.07.150(A)(4)
4.Turf shall comply with all of the following:a.Turf shall not exceed twenty-five (25) percent of the landscape area in residential areas, and there shall be no turf in non-residential areas;b.Turf shall not be planted on sloped areas which exceed a slope of one (1) foot vertical elevation change for every four (4) feet of horizontal length;c.Turf is prohibited in parkways less than ten (10) fe...
Recycled Water Rules
Chino Hills runs a reclaimed water system under Chapter 13.32 of its Municipal Code, delivering tertiary-treated recycled water for irrigation, construction, and industrial uses regulated by the Santa Ana Regional Water Quality Control Board. Any property owner who wants recycled water service must obtain a city permit under § 13.32.110, pay connection and service line fees before hookup, and accept that the city can schedule or temporarily halt deliveries if water quality standards are not met.
Chino Hills Recycled Water Permit Rules
Some RestrictionsChino Hills Municipal Code § 13.32.110
A city permit for reclaimed water service must be obtained by the user to receive reclaimed water on any property. Permits to receive reclaimed water service or any connection for service issued under this chapter pursuant to receipt of an application for such service shall be subject to the following conditions:A.The applicant shall adhere to requirements prescribed by this chapter and to all ...
Leak Reporting Duty
Once Chino Hills has declared a water conservation alert under CHMC Chapter 13.08, letting water leak on your property becomes a prohibited water-waste practice, and § 13.08.070(G) gives owners a hard deadline: repair any leak within 48 hours of the City's notification or face enforcement.
Chino Hills 48-Hour Leak Repair Duty
Some RestrictionsChino Hills Municipal Code § 13.08.070(G)
13.08.070 - Stage II prohibitions and restrictions-Moderate water conservation alert. The following restrictions and exceptions shall be applicable during a moderate water conservation alert as declared by the City Council... G. Permitting water to leak on any premises. Such leak shall be repaired in a timely manner after notification by the City, but in no case in excess of forty-eight (48) ho...
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County ordinances apply to unincorporated areas and may supplement Chino Hills city rules.
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