Water Restrictions: Hesperia vs Rialto
How do water restrictions rules compare between Hesperia, CA and Rialto, CA?
Hesperia and Rialto have similar restriction levels.
Hesperia, CA
San Bernardino County
Hesperia Municipal Code §14.04.170 (Water Conservation Emergency Plan) is currently in Stage 2, enacted by joint Hesperia City Council/Hesperia Water District Resolutions 2022-46 and 2022-10. Irrigation of non-functional turf is prohibited at commercial, industrial, and institutional properties. Parks, golf courses, and schools may only irrigate between 10 p.m. and 5 a.m.; all runoff is prohibited.
View full Hesperia 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 | Hesperia | Rialto |
|---|---|---|
| Current Stage | Stage 2 (active since 2022) | - |
| Code Section | HMC §14.04.170 | - |
| Park/School Hours | 10 p.m. – 5 a.m. only | - |
| Runoff | Prohibited | - |
| Non-functional Turf | Banned at CII properties | - |
| Hardscape Washing | Prohibited (health/safety exceptions) | - |
| State Floor | MWELO — CCR Title 23 §§490-495 | - |
| 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.
Hesperia FAQ
When can I water my lawn in Hesperia?
Under HMC §14.04.170 Stage 2, watering is allowed but cannot cause runoff. Parks, schools, and golf courses are limited to 10 p.m.–5 a.m. Residential restrictions are less specific but waste is prohibited. Check with Hesperia Water District for the current stage.
Can I wash my driveway in Hesperia?
No. HMC §14.04.170 prohibits using district water to wash down hard surfaces such as driveways, sidewalks, and parking lots except where specifically permitted for public health and safety reasons.
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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