Water Restrictions: Castro Valley vs Hayward
How do water restrictions rules compare between Castro Valley, CA and Hayward, CA?
Castro Valley and Hayward have similar restriction levels.
Castro Valley, CA
Alameda County
East Bay Municipal Utility District (EBMUD) and Alameda County Water District (ACWD) enforce permanent water waste rules plus drought-stage restrictions. AB 1572 bans potable water on non-functional turf starting 2027.
View full Castro Valley rules →Hayward, CA
Alameda County
Hayward customers are served by EBMUD or SFPUC. Both impose outdoor watering limits and enforce permanent waste prohibitions year-round.
View full Hayward rules →Key Facts Comparison
| Fact | Castro Valley | Hayward |
|---|---|---|
| West County utility | EBMUD | - |
| South County utility | ACWD | - |
| AB 1572 | Non-functional turf ban 2027 | Non-functional turf ban |
| MWELO | New landscape 500+ sqft | - |
| Typical watering | 2-3 days per week | - |
| Primary provider | - | EBMUD |
| No-water hours | - | 9 a.m. to 6 p.m. |
| Shutoff nozzle | - | Required on hoses |
| Leak repair | - | Within 72 hours |
Highlighted rows indicate differences between cities.
Castro Valley FAQ
Can I water every day?
No, both EBMUD and ACWD restrict outdoor irrigation to 2 or 3 specific days per week; check your utility for current assigned days.
What is non-functional turf?
Turf that is purely ornamental (street medians, grass in parking lots, commercial front lawns not used for recreation); AB 1572 bans irrigating it with potable water by 2027.
Hayward FAQ
How do I find my water provider?
Check your water bill. EBMUD covers most of Hayward; the city utility serves a small Hetch Hetchy area.
What is non-functional turf?
Grass in commercial or HOA areas that is purely decorative and not used for recreation or events.
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