Water restrictions in Altadena, CA — also called the watering schedule, outdoor irrigation rules, or drought ordinance — set which days and hours you can run sprinklers or irrigation.
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.
Most Altadena households are served by small mutual water companies that adopted state-mandated Tier 2 conservation rules under California Water Code 10632.5 and the State Water Resources Control Board's prohibitions (CCR Title 23 §§ 996–997). Outdoor irrigation is limited to 2 assigned days per week: odd-numbered addresses Mon/Thu; even-numbered Tue/Fri; commercial Mon/Fri. Hand-watering caps at 10 minutes per zone. Drip and bucket-fed watering are exempt from day restrictions. Statewide bans on hosing down driveways, washing cars without shutoff nozzles, and runoff-causing irrigation apply year-round.
Each water company sets fines — typically $50 first offense, $100–$500 escalating; chronic violators may have flow restrictors installed.
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Side-by-side rule comparisons with other cities in Los Angeles County.
See how other cities in Los Angeles County handle water restrictions.
See how Altadena's water restrictions rules stack up against other locations.
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