Water Restrictions: Altadena vs Downey
How do water restrictions rules compare between Altadena, CA and Downey, CA?
Altadena and Downey have similar restriction levels.
Altadena, CA
Los Angeles County
Outdoor watering in Altadena (served by Lincoln Avenue Water Co., Las Flores Water Co., Rubio Cañon, and Kinneloa Irrigation District) is limited to 2 days per week assigned by address — typically Mon/Thu odd, Tue/Fri even — with 10-minute-per-zone caps.
View full Altadena rules →Downey, CA
Los Angeles County
Downey follows MWELO requirements for water-efficient landscaping. New/renovated landscapes over 500 sq ft must meet Maximum Applied Water Allowance. Water district restrictions on watering days and times apply.
View full Downey rules →Key Facts Comparison
| Fact | Altadena | Downey |
|---|---|---|
| Watering Days | 2/week by address | - |
| Odd Address | Mon/Thu | - |
| Even Address | Tue/Fri | - |
| Hand Watering Cap | 10 min/zone | - |
| Authority | SWRCB CCR Title 23 §§996–997 | - |
| MWELO | - | Applies to landscapes >500 sq ft |
| New Landscapes | - | MAWA calculations required |
| Turf Ban | - | AB 1572 for commercial (2024) |
| Drought-Tolerant | - | Cannot be prohibited (Gov Code 65595) |
Highlighted rows indicate differences between cities.
Altadena FAQ
Which days can I water my Altadena lawn?
Two days a week assigned by address: odd-numbered Mon/Thu, even-numbered Tue/Fri. Drip irrigation is exempt from the day restriction.
Downey FAQ
What are the lawn watering restrictions in Downey?
Downey follows MWELO requirements for water-efficient landscaping. New/renovated landscapes over 500 sq ft must meet Maximum Applied Water Allowance. Water district restrictions on watering days and times apply.
Are there drought watering rules in Downey?
MWELO: Applies to landscapes >500 sq ft. New Landscapes: MAWA calculations required. Turf Ban: AB 1572 for commercial (2024). Drought-Tolerant: Cannot be prohibited (Gov Code 65595).
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