§ 52.21  TRIGGER CONDITIONS.
   (A)   Daily water demand will be monitored for emergency conditions by the city. The City Manager, on recommendation of the Public Works Department, shall determine when conditions warrant initiation or termination of each stage of this subchapter. Weather conditions are to be considered in drought classification determination. Predicted long, cold, or dry periods are to be considered in impact analysis.
   (B)   The city shall conduct a feasibility study about an interconnection with Central Texas Water Supply Corporation. The interconnection would be utilized to provide water in emergency conditions provided it does not create an additional emergency situation for either entity. This shared water resource may be evaluated or implemented prior to initiation of the trigger conditions.
   (C)   Stage 1 - Mild Water Shortage Conditions, Voluntary Conservation. Customers shall be requested to voluntarily conserve water and adhere to the water restrictions on non-essential water use, as outlined in § 52.22(B) (Stage 1) conservation measures when any of the following trigger events occur:
      (1)   The city's wholesale water provider initiates Stage 1 conservation conditions.
      (2)   The city's total daily water demand expressed as a percentage of pumping capacity reaches 80%.
   (D)   Stage 2 - Moderate Water Shortage Conditions, Mandatory Conservation. The City Manager will initiate Stage 2 conservation measures when any of the following triggering events occur:
      (1)   The city's total storage capacity falls to 75% of maximum storage.
      (2)   The city's wholesale water provider initiates Stage 2 conservation conditions.
      (3)   The city's total daily water demand expressed as a percentage of pumping capacity reaches 85%.
   (E)   Stage 3 - Severe Water Shortage Conditions, Mandatory Conservation. The City Manager will initiate Stage 3 conservation measures when any of the following triggering events occur:
      (1)   The city's total storage capacity falls to 50% of maximum storage.
      (2)   The city's wholesale water provider initiates Stage 3 conservation conditions.
      (3)   The city's total daily water demand expressed as a percentage of pumping capacity reaches 90%.
   (F)   Stage 4 - Emergency Water Shortage Conditions, Mandatory Conservation. The City Manager will initiate Stage 4 conservation measures when any of the following triggering events occur:
      (1)   The city's total storage capacity falls to 25% of maximum storage.
      (2)   The city's total daily water demand expressed as a percentage of pumping capacity reaches 95%.
      (3)   The city water system is contaminated to the degree that the city's ability to supply safe, potable water is impaired.
      (4)   Any mechanical failure of pumping equipment or system component failure which in the opinion of the Public Works Director will require more than 12 hours to repair, and which causes a loss of capability to provide water service in the city.
      (5)   The City Manager declares that mandatory water restrictions are necessary to protect the public health, safety, and welfare due to unusual events, catastrophic occurrences, or severe weather, provided that such declaration shall not extend beyond seven days unless authorized by the City Council.
   (G)   Requirements for termination. The City Manager may rescind Stage 1 at any time. Any other Stage may be rescinded by the City Manager when all of the trigger conditions for that Stage cease to exist.
(Ord. 94-21, passed 6-14-94; Am. Ord. 98-41, passed 10-13-98; Am. Ord. 2005-40, passed 11-8-05; Am. Ord. 2009-31, passed 10-27-09; Am. Ord. 2011-32, passed 12-13-11; Am. Ord. 2015-03, passed 2-24-15; Am. Ord. 2020-57, passed 10-27-20; Am. Ord. 2021-21, passed 4-20-21)