Water Restrictions: Rancho Cucamonga vs Rialto
How do water restrictions rules compare between Rancho Cucamonga, CA and Rialto, CA?
Rancho Cucamonga and Rialto have similar restriction levels.
Rancho Cucamonga, CA
San Bernardino County
Cucamonga Valley Water District sets outdoor watering schedules for most of Rancho Cucamonga. AB 1572 bans irrigating non-functional commercial turf with potable water, and MWELO applies to new landscapes.
View full Rancho Cucamonga rules →Rialto, CA
San Bernardino County
Rialto Water Services enforces year-round CA prohibited-use rules and assigned watering days. Under State Water Board Emergency Regulations and city policy, outdoor irrigation is limited to designated days, no runoff, no hose-down of hardscape, and no watering within 48 hours of rain.
View full Rialto rules →Key Facts Comparison
| Fact | Rancho Cucamonga | Rialto |
|---|---|---|
| Primary water district | Cucamonga Valley Water District (CVWD) | - |
| Normal watering schedule | Up to 3 days per week, no 9 AM to 6 PM | - |
| AB 1572 | No potable water on non-functional commercial turf | - |
| MWELO threshold | New landscapes over 500 square feet | - |
| Rebates | CVWD turf replacement and smart controller programs | - |
| Hose-Down Hardscape | - | Prohibited statewide |
| Runoff to Street | - | Prohibited |
| Water After Rain | - | No watering within 48 hrs |
| MWELO Threshold | - | New landscapes ≥500 sq ft |
Highlighted rows indicate differences between cities.
Rancho Cucamonga FAQ
What days can I water my Rancho Cucamonga lawn?
CVWD typically assigns three-day schedules based on address. Check your current billing statement or CVWDs website for the latest restrictions.
Does AB 1572 affect my home lawn?
No. AB 1572 targets non-functional turf on commercial, industrial, and HOA common area parcels. Residential lawns are not affected.
Are turf replacement rebates available?
Yes. CVWD and regional partners offer rebates for removing turf and installing water-wise landscaping with drip irrigation.
Rialto FAQ
What days can I water my lawn in Rialto?
Rialto Water Services publishes assigned watering days that change with drought stage (commonly 3 days/week, before 8 AM or after 6 PM). Check rialtowater.com for the current schedule.
Can I wash my car at home?
Yes, but only with a hose equipped with a positive shut-off nozzle, and runoff cannot flow into the street. Washing on dirt/lawn or at a commercial recycled-water car wash is preferred.
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