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Waimanalo Irrigation System Water Level

CURRENT WATER LEVEL AS OF 07/03/2008:  19.75 feet (7.8 MG)

STATUS:  MANDATORY WATER CONSERVATION - 20%

Previous water levels:

  • 07/02/2008:  20.25 feet (8.4 MG)
  • 07/01/2008:  20.50 feet (8.6 MG)
  • 06/30/2008:  21.25 feet (9.1 MG)
  • 06/27/2008:  21.50 feet (9.2 MG)
  • 06/26/2008:  22.25 feet (9.7 MG)
  • 06/25/2008:  22.75 feet (10.0 MG)
  • 06/24/2008:  23.50 feet (10.6 MG)

Consumers of Waimanalo Irrigation System:

EFFECTIVE APRIL 7, 2008, PHASE II - CONSERVATION MEASURES TO BE IMPLEMENTED, REQUIRING MANDATORY 20% REDUCTION IN USE.

Pursuant to section 4-157-4, Hawaii Administrative Rules, special conservation measures have been deemed necessary to forestall a water shortage and a consequent emergency.  The below average rainfall this past few months have caused a decline in the reservoir storage levels and threatens to affect normal irrigation operations.

As of April 4, 2008, the Waimanalo 60 MG Reservoir level was at 37.50 feet.  With very little rainfall occurring within the Waimanalo and Maunawili Watersheds, the National weather Service has recorded for the month of March 2008 for both watersheds only 5% of normal rainfall.  the year-to-date totals are also not very encouraging with Maunawili Valley recording only 36% of normal rainfall and Waimanalo, an even smaller 14% of normal.  NEar term forecst calls for increasing noreast winds with some mauka and windward showers, but nothing significant for the next 5-7 days.

Because of the declining reservoir storage level and unencouraging weather forecast, the Agricultural Resource Management Division has determined that effective the week of April 7, 2008, Phase II - Mandatory Conservation Measure, requiring all water users to reduce consumption by 20% shall be implemented.

NOTE:  Pursuant to §4-157-12, Discontinuance of service; water service may be refused or discontinued by the department if the water bill has not been paid within thirty days after the mailing or presentation thereof to the consumer or if the consumer fails to comply with any of the applicable rules.  However, acreage assessments shall continue in spite of the discontinuance of service. 

Upon notification by the Waimanalo Irrigation System, the following restrictions will be implemented in phases as the reservoir levels approach pre-determined levels.  However, implementation of a specific conservation phase is approximate and may be put into effect based on factors such as a significant increase in system-wide consumption or upcoming weather conditions.

PHASE I -  Caution Low - Voluntary Water Conservation – 10%

  • Distribution days will be Sundays to Saturdays – 24 hours a day

  • Voluntary reduction of water consumption by 10% is requested.

PHASE I - MODIFIED - Water Conservation

  • Distribution days will be Mondays to Fridays only, no weekends

  • Distribution hours will be 24 hours a day

  • Voluntary reduction of water consumption by 10% is requested.

PHASE II – (±27 ft.)   Mandatory Water Conservation – 20%

  • Distribution days will be Mondays to Fridays

  • Distribution hours will be from 7:00 a.m. to 3:30 p.m.

  • Mandatory reduction of water consumption by 20%

PHASE III – (±20 ft.) Critical Low – Mandatory Water Conservation

  • Distribution days will be Mondays, Wednesdays and Fridays.

  • Distribution hours will be from 9:00 a.m. to 2:00 p.m.

Please contact us at 973-9473, if you have any questions.