Water Restrictions: Antioch vs Walnut Creek
How do water restrictions rules compare between Antioch, CA and Walnut Creek, CA?
Antioch has fewer restrictions than Walnut Creek.
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 →Walnut Creek, CA
Contra Costa County
Walnut Creek is served by East Bay Municipal Utility District (EBMUD) and Contra Costa Water District (CCWD), both of which enforce permanent statewide water waste prohibitions plus district-specific watering schedules. Outdoor irrigation runoff, hosing hard surfaces, and watering within 48 hours of rain are always prohibited.
View full Walnut Creek rules →Key Facts Comparison
| Fact | Antioch | Walnut Creek |
|---|---|---|
| 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.
Walnut Creek FAQ
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