Lancaster, CA Landscaping Rules: Rainwater Harvesting (2026)
Summary
Lancaster allows residential rainwater harvesting. California has no significant state-level restrictions on rainwater collection for personal use.
LEGISLATIVE COUNSEL'S DIGEST AB 1750, Solorio. Rainwater Capture Act of 2012. (1) Under existing law, the State Water Resources Control Board (state board) and the California regional water quality control boards prescribe waste discharge requirements for the discharge of stormwater in accordance with the national pollutant discharge elimination system (NPDES) permit program and the Porter-Cologne Water Quality Control Act. Under existing law, the state board administers a water rights program pursuant to which the state board grants permits and licenses to appropriate water, upon an application to appropriate water. This bill would enact the Rainwater Capture Act of 2012, which would provide that use of rainwater collected from rooftops d
Full Breakdown
Rainwater harvesting in Lancaster is generally permitted for residential use including garden irrigation, lawn watering, and non-potable household purposes. California does not impose significant state-level restrictions on residential collection. Rain barrels and cisterns may be installed without special permits in most cases, though large systems may trigger building or plumbing permits. HOAs may have restrictions on visible rain barrel placement. Potable use of collected rainwater requires treatment systems that meet health department standards. Some cities offer rain barrel rebate programs.
Sources & Official References
Other rules in Lancaster
California rules heatmap·Compare Lancaster to another location·View the California landscaping rules overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.
Rainwater Harvesting in Nearby Cities
How other cities in Los Angeles County handle rainwater harvesting.