Water Supply Reliability Self-Certification

Supporting Analysis & Calculations

In response to Governor Brown’s issuance of Executive Order B-37-16 which extended the emergency drought regulations through January 31, 2017, the State Water Resources Control Board (SWRCB) on May 9, 2016, adopted a statewide water conservation approach that replaces the prior percentage-based water conservation standard. The new standard requires water agencies to conduct a “stress test”, certifying whether they have sufficient available supplies to meet customer demand assuming dry conditions continue for an additional three years. Agencies that face a supply shortage after the third dry year will have a conservation standard equal to that shortage.

Under the new regulations, agencies may certify supply sufficiency on an individual or regional basis. All San Diego County Water Authority member agencies agreed to certify as a region. On June 22, 2016, the following data and analysis was submitted to the SWRCB:

The data and analysis submitted to the SWRCB demonstrate that the City of Oceanside has sufficient water supplies to meet demands over the next three years. Therefore, Oceanside’s new conservation standard is a zero percent reduction.