Skip to main content
CityRuleLookup
🌿 Landscaping Rules/Rainwater Harvesting

Rainwater Harvesting: Altadena vs Santa Monica

How do rainwater harvesting rules compare between Altadena, CA and Santa Monica, CA?

Altadena and Santa Monica have similar restriction levels.

Altadena, CA

Los Angeles County

Few Restrictions

Rainwater harvesting is legal and actively encouraged in unincorporated LA County. LADWP offers rebates for rain barrels. The LACFCD promotes distributed stormwater capture projects including rain gardens and rain barrels. No permits required for residential collection systems.

View full Altadena rules β†’

Santa Monica, CA

Los Angeles County

Few Restrictions

Santa Monica strongly encourages rainwater harvesting as part of its water self-sufficiency goal. The city promotes stormwater harvesting through BMPs and infrastructure. Landscape rebates are available for rainwater capture systems.

View full Santa Monica rules β†’

Key Facts Comparison

FactAltadenaSanta Monica
Legal StatusLegal, no permit required-
RebatesLADWP and water district programsAvailable for capture systems
LACFCDPromotes distributed capture-
UsesIrrigation, non-potable purposes-
Encouraged-Strongly promoted
Water Neutrality-SMMC Β§7.16.050
State Law-AB 1750 protects collection

Highlighted rows indicate differences between cities.

Altadena FAQ

Is rainwater harvesting legal in LA County?

Yes. California Water Code 10573-10574 explicitly permits residential rainwater collection. No permit is needed for systems under 5,000 gallons. It's actively encouraged for water conservation and stormwater management.

Can I use rainwater for drinking?

Captured rainwater can be used for irrigation and non-potable purposes. Using it for drinking water requires treatment and is subject to additional regulations. Most residential use is for landscape irrigation.

Are there rebates for rain barrels in LA County?

Some water districts offer $35-$75 rain barrel rebates. Check with your specific water provider. The LA County Flood Control District's Safe Clean Water Program also promotes rainwater capture. Visit safecleanwaterla.org for resources.

Santa Monica FAQ

Can I collect rainwater legally?

Yes. California allows residential rainwater harvesting without significant restrictions.

Do I need a permit for rain barrels?

Standard rain barrels typically do not need permits. Large cistern systems may require building permits.

Compare other topics

See how Altadena and Santa Monica compare on other ordinance categories.

Want to add a third city?

Use our full comparison tool to compare up to three cities.

Open Comparison Tool