Five water-wasting actions are prohibited for end-users.  Information cards for these basic prohibitions are available in English or Spanish.  Two other restrictions apply only to the hospitality industry.  Violations are subject to fines of up to $500.




Irrigating during rain or within 48 hours after measurable rainfall

SOLUTIONS: Turn off automatic controller when rain is forecast; Equip your controller with a rain sensor.

Overwatering lawns or landscapes such that excessive runoff flows onto adjacent property, walkways, roadways, or parking lots

SOLUTIONS: Redirect poorly aimed sprinklers; Repair broken sprinkler heads; Reduce pop-up sprinkler run times to 5 minutes or less and use multiple start times with 1-hour soak in between (cycle/soak method); Replace conventional spray nozzles with rotating stream nozzles.

Using water to wash driveways or sidewalks, unless necessary to address an immediate health and safety need

SOLUTION: Use a broom!

Using a hose to wash a motor vehicle, unless hose is equipped with a shutoff nozzle

SOLUTION: The City of Napa provides free shutoff nozzles to water customers!

Using water in a fountain or other decorative water feature, unless the water is recirculated

SOLUTIONS: Install a recirculating system; or Turn off the water feature.


HOSPITALITY BUSINESSES are subject to the following additional restrictions:


The City of Napa Water Division is enforcing these mandatory restrictions.  Customers are urged to avoid all wasteful activities listed above.  Violators will be subject to warning and opportunity to correct the violation.  Repeat violators will be subject to escalating penalties on their water bill of $100, $200, or $500.

REPORT WATER WASTE:  Call 707-257-9521 or This email address is being protected from spambots. You need JavaScript enabled to view it.

The waste prohibitions apply to potable drinking water served by the City of Napa water system.  Prohibitions do not apply to recycled (purple pipe) water supplied by the Napa Sanitation District.