Water Restrictions: Antioch vs San Ramon
How do water restrictions rules compare between Antioch, CA and San Ramon, CA?
Antioch has fewer restrictions than San Ramon.
Antioch, CA
Contra Costa County
Antioch's water is supplied by the City of Antioch Water Department from the Contra Costa Canal (CCWD wholesale) and local sources. State Water Resources Control Board permanent restrictions apply year-round: no runoff, no hosing hardscape, no watering within 48 hours of rain. Odd/even outdoor watering schedules may be activated during drought.
View full Antioch rules →San Ramon, CA
Contra Costa County
San Ramon water service is provided by EBMUD and Dublin San Ramon Services District (DSRSD). Permanent statewide water waste rules under SWRCB prohibit runoff, watering within 48 hours of rain, and hosing hard surfaces. Local drought stages trigger day-of-week watering limits, typically 2-3 days per week during drought.
View full San Ramon rules →Key Facts Comparison
| Fact | Antioch | San Ramon |
|---|---|---|
| Water utility | City of Antioch Water Department | - |
| Raw water source | San Joaquin Delta / CCWD | - |
| Permanent rules | No runoff, no hardscape hosing | - |
| Rain lockout | 48 hours after measurable rain | - |
| MWELO | Required for landscapes >500 sq ft | - |
| - | - |
Highlighted rows indicate differences between cities.
Antioch FAQ
What days can I water my lawn in Antioch?
During non-drought periods there is no assigned schedule, but you must avoid runoff, hardscape hosing, and daytime watering. Drought stages may activate odd/even schedules - check antiochca.gov/water.
Does MWELO apply to my home landscape remodel?
MWELO applies to new and renovated landscapes over 500 sq ft that require a permit. Smaller residential projects are exempt, but all water-waste prohibitions still apply.
San Ramon FAQ
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