Eastvale, CA Landscaping Rules: Water Restrictions (2026)
Water restrictions in Eastvale, CA, also called the watering schedule, outdoor irrigation rules, or drought ordinance, set which days and hours you can run sprinklers or irrigation.
Key Facts
- Governing section
- Municipal Code Sec. 14.24.090(18)
- Irrigation window
- 8:00 p.m. to 6:00 a.m.
- Applies to
- New/rehabbed landscapes 2,500+ sq ft
- Potable water cap
- 55% of reference evapotranspiration (ETo)
- Enforcement
- Community Development Director inspections
Summary
Eastvale limits overhead landscape irrigation to an overnight 'water window' of 8:00 p.m. to 6:00 a.m. under Municipal Code Sec. 14.24.090, part of the Water Efficient Landscape Regulations. Covered projects must also cap water use to a strict budget tied to evapotranspiration data.
(18)For the purpose of design, overhead irrigation shall be limited to the hours of 8:00 p.m. to 6:00 a.m. (ten-hour water window).(19)All irrigation systems shall be equipped with the following:a.A smart irrigation controller as required in section 14.24.090, Irrigation Design Requirements.b.A rain-sensing device to prevent irrigation during rainy weather.c.Anti-drain check valves installed at strategic points on sloped sites to minimize or prevent low head drainage.d.A manual shut-off valve installed as close as possible to the point of connection of the water supply to minimize water loss in case of an emergency or routine repair.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 16 Update 1).
Full Breakdown
24, the Water Efficient Landscape Regulations adopted by Ord. No. 16-01 in January 2016, applies to new landscapes on residential projects and to new or rehabilitated landscapes of 2,500 square feet or more on multi-family and nonresidential projects that require a city permit or approval, per Sec. 030. Sec. , cutting off daytime sprinkler runs that waste water to evaporation. The same section requires every covered irrigation system to carry a smart controller that adjusts run time to real-time or historical weather data, a rain-sensing shutoff device, anti-drain check valves on sloped sites, a manual emergency shutoff valve, and pressure regulation at the point of connection and at each valve circuit.
Beyond timing, Sec. 4 for Eastvale per CIMIS station #44, capping potable-irrigated landscapes at 55 percent of that rate and recycled-water landscapes at 85 percent. Sec. 070 layers on planting limits, restricting new front-yard turf to 30 percent of the landscape area for cool-season grass or 50 percent for warm-season grass, and banning new turf in city-maintained medians and parkways outright. The Community Development Director enforces the chapter under Sec. 060 and may inspect a project site before, during and after landscape installation.
Violations & Fines
Sec. 14.24.060 gives the Community Development Director authority to inspect a covered project site at any time before, during or after landscape installation to enforce the water budget, planting and irrigation-window standards, and to determine compliance at the director's discretion. Noncompliant landscape or irrigation plans are not accepted for permit review, and installations that violate the approved plan are subject to the city's general code enforcement remedies.
Frequently Asked Questions
What hours can I run sprinklers on a new Eastvale landscape project?
Does this rule apply to my existing single-family lawn?
How much water can a covered landscape use?
Sources & Official References
Other rules in Eastvale
How Eastvale compares: Cities with the Strictest Water Restrictions·California rules heatmap·Compare Eastvale to another location·View the California landscaping rules overview
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How other cities in Riverside County handle water restrictions.