Water Resources

Extended Emergency Regulation for Statewide Conservation

On May 18, 2016, the State Water Resources Control Board (State Board) modified the February 2016 extension of the emergency regulation to include calculation of an alternative water conservation standard based on a “stress test” approach that assumes three additional dry years. The alternative conservation standard is calculated by comparing the average annual customer demand from 2013 and 2014 to the available supplies in 2017, 2018, and 2019 assuming the three-year hydrology of 2013, 2014, and 2015. As part of this extended emergency regulation, agencies providing retail water supplies (such as City of Norco) are required to publicly post its self-certification of retail water supply conditions using the methodology developed by the State Board. Norco has calculated that it has sufficient supplies to meet the demands of its retail water customers for the three-year certification defined by the State Board.

Retail Water Supply Certification

The City of Norco has evaluated its water supply conditions using the methodology developed by the State Board. Based on coordination with Norco’s wholesale water suppliers regarding the amount of local water resources available in the three-year certification period, Norco has calculated that it has sufficient supplies (8,600 AF) to meet the demands of retail water customers (8,440 AF) within the City’s service area for the three-year certification defined by the State Board. Norco currently has four sources of supply from which it utilizes to meet customer demands. Norco purchases treated groundwater from Western Municipal Water District’s (WMWD) Arlington Desalter and Chino Desalter Authority, imported water from The Metropolitan Water District of Southern California, and operates its own groundwater wells. Retail water delivery details for the purposes of State Board certification can be found in the table and document links below.


Norco's Retail Certification 2016

Questions about Norco's retail certification can be addressed to Chad Blais – Director of Public
 Works at cblais@ci.norco.ca.us