Water Use Rules in San Francisco, CA (2026)
3 verified water use rules for San Francisco, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Lawn Watering Restrictions
The San Francisco Public Utilities Commission limits outdoor irrigation to between 8 PM and 10 AM, prohibits runoff onto pavement, and tightens rules during state-declared drought emergencies through its Water Shortage Contingency Plan.
SFPUC Outdoor Irrigation and Drought Rules
Some RestrictionsRecycled Water Rules
San Francisco's Non-Potable Water Ordinance (Health Code Article 12C) requires new buildings of 100,000 square feet or larger to install onsite water reuse systems for toilet flushing, irrigation, and cooling.
Mandatory Recycled Water in Large New Buildings
Heavy RestrictionsLeak Reporting Duty
San Francisco residents and businesses can report water leaks, broken mains, and hydrant problems to SFPUC 24/7. Customer-side leaks must be repaired promptly, and SFPUC offers leak-adjustment credits for documented bills.