Water Waste Regulations

The following water waste prohibitions apply to City of Napa water customers. Some exceptions apply. See Napa Municipal Code Section 13.09.

To report water waste violations, use our online service center or call 707-257-9497.  

daytime irrigationDo Not irrigate between the hours of 10 am and 5 pm.

RainDo Not irrigate during rain or within 48 hours after measurable rainfall.

water-runoffDo Not overwater lawns and gardens to the point of excessive flowing runoff.

hosing-offDo Not use drinking water to wash driveways and sidewalks.

car wash hoseDo Not wash a motor vehicle by hose unless it is equipped with a shutoff nozzle.

Pipe LeakRepair leaks greater than one gallon per minute within 30 days of discovery.

Under State Law:

lawn and buildingDo Not water non-functional, ornamental lawns at commercial, industrial, or institutional sites.
Violations may be reported online: savewater.ca.gov