City Water Regulations

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City Water Conservation Ordinance

The City Council adopted Level Two water restrictions at the November 16, 2021, City Council meeting, and requested a voluntary 15% reduction in water use. Details on each conservation level are below.

City Council will meet on May 24, 2022, to decide on moving to Level 4 water restrictions commensurate with the one day a week watering of the existing suppliers, Metropolitan Water District, and Calleguas Municipal Water District.

The City's water shortage ordinance as required by the State includes six different conservation levels: 1) 10% reduction, 2) 20% reduction, 3) 30% reduction, 4) 40% reduction, 5) 50% reduction, and 6) More than a 50% reduction in water usage. 

Level 1 - Permanent Water Conservation Measures (0-10%)

  1. Watering Hours: NO watering between 8:00 a.m. and 6:00 p.m.
  2. Watering Days: four days per week from April 1 through October 31 and three days per week from November 1 through March 31.
  3. Watering Duration (15) minutes of watering per day per station. Exceptions for  highly efficient components such as low volume drip type irrigation and stream rotator sprinklers.
  4. Fix Leaks, Breaks, or Malfunctions: within 7 days.
  5. No Excessive Water Runoff or Overspray.
  6. No Washing Down Hard or Paved Surfaces.
  7. Irrigation during and within 48 hours after rainfall measuring 0.25 inches or more is prohibited.
  8. Recirculating Water Required for Decorative Water Fountains and Running-Water Features.

See Water Conservation Ordinance for additional restrictions. Each conservation level below adds to the prior restrictions.

Level 2 City Water Conservation Measures

  1. Watering Hours: NO watering between 8:00 a.m. and 6:00 p.m.
  2. Watering Days: three days per week from April 1 through October 31, and two days per week from November 1 through March 31. See complete Ordinance for exceptions.
  3. Watering Duration (15) minutes of watering per day per station. Exceptions for  highly efficient components such as low volume drip type irrigation and stream rotator sprinklers.
  4. Fix Leaks, Breaks, or Malfunctions: within 72 hours of notification by the City.
  5. No Excessive Water Runoff or Overspray.
  6. No Washing Down Hard or Paved Surfaces.
  7. Irrigation during and within 48 hours after rainfall measuring 0.25 inches or more is prohibited.
  8. Recirculating Water Required for Decorative Water Fountains and Running-Water Features.

Level 3 City Water Conservation Measures

  1. Watering Hours: NO watering between 8:00 a.m. and 6:00 p.m.
  2. Watering Days: two days per week from April 1 through October 31, and one day per week from November 1 through March 31. See complete Ordinance for exceptions.
  3. Watering Duration (15) minutes of watering per day per station. Exceptions for  highly efficient components such as low volume drip type irrigation and stream rotator sprinklers.
  4. Fix Leaks, Breaks, or Malfunctions within 48 hours.
  5. No Excessive Water Runoff or Overspray.
  6. No Washing Down Hard or Paved Surfaces.
  7. Irrigation during and within 48 hours after rainfall measuring 0.25 inches or more is prohibited.
  8. Recirculating Water Required for Decorative Water Fountains and Running-Water Features.
  9. Swimming Pool Covers: Outdoor swimming pools shall be covered when not in use, and the forecast high temperature for the day exceeds 74 degrees Fahrenheit.
  10. Water Misters: Use of water misters is prohibited.
  11. Vehicle Washing: Use of potable water for home, mobile, and community event vehicle washes is prohibited.
  12. Ornamental Lakes, Ponds, or Running-water Features: Filling or re-filling ornamental lakes, ponds, or running-water features with potable water is prohibited, except to sustain aquatic life of significant value.
  13. Swimming Pools and Spas: Draining and re-filling of more than one foot with potable water is prohibited.

Level 4 City Water Conservation Measures

  1. Watering Hours: NO watering between 8:00 a.m. and 6:00 p.m.
  2. Watering Days:  One day per week and limited to hand watering only using a hand-held bucket or similar container, a hand-held hose equipped with a positive self-closing water shut-off nozzle or device, or low volume irrigation systems.
  3. Watering Duration (15) minutes of watering per day per station. Exceptions for  highly efficient components such as low volume drip type irrigation and stream rotator sprinklers.
  4. Fix Leaks, Breaks, or Malfunctions within 48 hours.
  5. No Excessive Water Runoff or Overspray.
  6. No Washing Down Hard or Paved Surfaces.
  7. Irrigation during and within 48 hours after rainfall measuring 0.25 inches or more is prohibited.
  8. Recirculating Water Required for Decorative Water Fountains and Running-Water Features.
  9. Swimming Pool Covers: Outdoor swimming pools shall be covered when not in use, and the forecast high temperature for the day exceeds 74 degrees Fahrenheit.
  10. Water Misters: Use of water misters is prohibited.
  11. Vehicle Washing: Use of potable water for home, mobile, and community event vehicle washes is prohibited.
  12. Ornamental Lakes, Ponds, or Running-water Features: Filling or re-filling ornamental lakes, ponds, or running-water features with potable water is prohibited, except to sustain aquatic life of significant value.
  13. Swimming Pools and Spas: Draining and re-filling of more than one foot with potable water is prohibited.
  14. Irrigating turf with other than low volume systems is prohibited except for irrigation of playing fields in public parks active playing fields, licensed daycare centers, golf course greens, and school grounds.
  15. Showering at gyms and athletic facilities: Showers shall be closed with a physical barrier and sign informing members that showering is prohibited unless the facility provides proof to the City that all showers have showerheads that do not exceed 1.8 Gallons Per Minute at 80 PSI. See complete Ordinance for acceptable proof.

Level 5 City Water Conservation Measures

  1. Watering Hours: NO watering between 8:00 a.m. and 6:00 p.m.
  2. Watering Days
    • Commercial and Multifamily residences with shared water meters: Watering or irrigating non-turf landscape with potable water is limited to one day per week using a low volume irrigation system.
    • Residential: Watering or irrigating of landscape, or other vegetated areas with potable water is limited to hand watering only by use of a hand-held bucket or similar container, or a hand-held hose equipped with a positive self-closing water shut-off nozzle or device. 
  3. Watering Duration (15) minutes of watering per day per station. Exceptions for  highly efficient components such as low volume drip type irrigation and stream rotator sprinklers. 
  4. Fix Leaks, Breaks, or Malfunctions: within 24 hours.
  5. No Excessive Water Runoff or Overspray.
  6. No Washing Down Hard or Paved Surfaces.
  7. Irrigation during and within 48 hours after rainfall measuring 0.25 inches or more is prohibited.
  8. Recirculating Water Required for Decorative Water Fountains and Running-Water Features.
  9. Swimming Pool Covers: Outdoor swimming pools shall be covered when not in use, and the forecast high temperature for the day exceeds 74 degrees Fahrenheit.
  10. Water Misters: Use of water misters is prohibited.
  11. Vehicle Washing: All vehicle washing is prohibited.
  12. Filling of pools, ponds, or water features is prohibited.
  13. Pool Permits: No pool permits will be issued.
  14. Irrigating all turf is prohibited.
  15. Showering at gyms and athletic facilities is prohibited.
  16. No New Potable Water Service.

Level 6 City Water Conservation Measures

  1. No Watering or Irrigating: Watering or irrigating turf, landscape, or other vegetated areas with potable water is prohibited.    
  2. Fix Leaks, Breaks, or Malfunctions: within 24 hours
  3. No Excessive Water Runoff or Overspray.
  4. No Washing Down Hard or Paved Surfaces.
  5. Irrigation during and within 48 hours after rainfall measuring 0.25 inches or more is prohibited.
  6. Recirculating Water Required for Decorative Water Fountains and Running-Water Features.
  7. Swimming Pool Covers: Outdoor swimming pools shall be covered when not in use, and the forecast high temperature for the day exceeds 74 degrees Fahrenheit.
  8. Water Misters: Use of water misters is prohibited.
  9. Vehicle Washing: All vehicle washing is prohibited.
  10. Filling of pools, ponds, or water features is prohibited.
  11. Pool Permits: No pool permits will be issued.
  12. Irrigating all turf is prohibited.
  13. Showering at gyms and athletic facilities is prohibited.
  14. No New Potable Water Service.
  15. Meter recall: The Public Works Director may recall previously issued temporary construction meters.

California American Water and California Water Service

California American Water and California Water customers may have additional requirements. Please refer to your water agencies website for details. 

California American Water

California Water Service

For questions regarding water conservation policies, please refer to our FAQs section, contact us at www.toaks.org/savewater or call 805-449-2400.

To obtain an application for a hardship waiver regarding the City of Thousand Oaks Water Conservation Ordinance Requirements:

Please download a Hardship Waiver Application [PDF]. Please fill out and return to the Public Works Department at the City of Thousand Oaks.  Please note: This waiver is only applicable to City of Thousand Oaks water customers. If you are a customer of either California American Water or California Water Service, please contact them via the links above to obtain a Hardship Waiver Application.

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