Water Use Restrictions

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State-wide, the following actions are prohibited, through action by the State Water Resources Control Board (see Fact Sheet and FAQ), except when necessary to address an immediate health and safety need or to comply with a term or condition in a permit issued by a state or federal agency as of June 2016. This list includes City-wide requirements as well:

  1. No production of runoff when irrigating with potable water.
  2. City Requirement: Irrigate no more than three days per week.
    • Even addresses may only water on Tuesdays, Fridays, and Sundays while odd addresses (including no address sites) may only water on Mondays, Thursdays, and Saturdays. 
  3. No irrigating during and 48 hours after measurable rainfall.
  4. Hoses must be equipped with shutoff nozzles when washing motor vehicles.
  5. No application of potable water on any driveways and sidewalks.
  6. No use of potable water in a fountain or other decorative water feature, unless the water is part of a recirculating system.
  7. No use of potable water to irrigate landscapes outside of newly constructed homes and buildings in a manner inconsistent with regulations or other requirements established by the California Building Standards Commission and Department of Housing and Community Development Using potable water to irrigate ornamental turf on public street medians.
  8. City Requirement: A plumbing permit is needed in order to install new irrigation systems (www.cupertino.org/planning). No permit required for upgrading existing irrigation systems.

Your Water Retailer

In Cupertino, San Jose Water Company and California Water Service Company serve our community as our water retailers. Each water retailer is responsible for imposing and enforcing water restrictions noted above during the drought and may have restrictions in addition to those set forth by the state. To find out which restrictions apply to you, determine your water retailer and visit your retailer’s conservation rules and tips:

  • California Water Service Company’s conservation rules and tips
    • California Water Service Company’s Water Shortage Contingency Plan (Schedule 14.1) with Mandatory Reductions and Drought Surcharges went into effect on June 1st, 2015. This plan is required by the California Public Utilities Commission (CPUC) and to find out more about public participation in CPUC proceedings, visit the Public Advisor’s Office site.
  • San Jose Water Company’s conservation rules and tips
    • San Jose Water Company’s Water Shortage Contingency Plan (Schedule 14.1) went into effect on June 15th, 2015 and establishes monthly allocations and drought surcharges for customers who exceed their allocations. This plan is required by the California Public Utilities Commission (CPUC) and to find out more about public participation in CPUC proceedings, visit the Public Advisor’s Office site.

The Santa Clara Valley Water District (SCVWD) has 4 ways to report incidents of water waste in the event that someone is violating any of the restrictions applicable to them: