Section 983 - Questionnaires and Reporting Requirements(a) Each urban retail water supplier, except those meeting the criteria in section 982, subdivision (d), shall submit responses to specific questions developed by the board on metering practices and data handling that influence data quality for water loss audits by July 1, 2023. Questions shall solicit information on the following: (1) The proportion of source/production water withdrawals that is metered(2) The program for regular flow testing of its production and source meters for accuracy(3) Frequency with which source meters are tested(4) The program for regular electronic calibration of secondary instrumentation that supports source or production meters, including the frequency of calibration(5) The proportion of authorized consumption that is measured by customer meters(6) The program for regular flow testing of customer meters for accuracy(7) Frequency with which customer meters are flow tested to determine accuracy(8) Types of data handling and billing errors identified in the prior year(b) Each urban retail water supplier, except those meeting the criteria in section 982, subdivision (d), shall submit responses to specific questions developed by the board on pressure management practices and associated estimated real loss reduction that influence data quality for water loss audits by July 1, 2023, and updated responses by July 1, 2026. Questions shall solicit information on the following: (1) Devices used to control pressure transients in the water distribution system(2) Inspection, maintenance and repair of devices installed for controlling pressure transients in the distribution system(3) Inspection, maintenance and repair of pressure reducing/modulating valves in the distribution system(4) Frequency with which each device for controlling pressure transients is inspected(5) Portions of the system that have high operating pressure(6) Potential for reducing or modulating pressure to reduce leakage(7) For update response due by July 1, 2026, approach to reduce leakage in high leakage zones(8) For update response due by July 1, 2026, whether pressure management can be implemented while meeting water quality and fire flow requirements for the distribution system(9) Estimated feasible water loss reduction as a result of pressure management, projected to 2035.(c) Each urban retail water supplier, except those meeting the criteria in section 982, subdivision (d), shall submit responses to specific questions developed by the board on asset management practices and associated estimated real loss reduction that influence data quality for water loss audits by July 1, 2024, and updated responses by July 1, 2027. Questions shall solicit information on the following: (1) Maintenance of records regarding distribution infrastructure failures(2) Data fields included in infrastructure failure records(3) Approach to identifying and prioritizing replacement, rehabilitation, or protection of water distribution infrastructure components that break or leak, including system and environmental factors(4) Any other supplier cost related to asset management or information that may suggest water loss control past the point of long term cost-effectiveness.(5) For update response due by July 1, 2027, total projected length of water distribution pipe in miles replaced in each year between 2027 and 2035(6) For update response due by July 1, 2027, the actual length of water distribution pipe in miles replaced on an average basis annually between 2024 and 2027(7) For update response due by July 1, 2027, projections regarding distribution infrastructure components that will be replaced, rehabilitated, or provided enhanced protection through 2035(8) For update response due by July 1, 2027, estimated feasible water loss reduction, projected to 2035(d) Each urban retail water supplier, except those meeting the criteria in section 982, subdivision (d), shall submit a registry of breaks, repairs, and estimated water losses to the Board every three years.(1) The registry shall contain the latest three years of data, beginning with data for 2025, 2026, and 2027 due by January 1, 2029.(2) The registry shall be submitted on a spreadsheet readable by the Board that contains at a minimum the following data: break identifier (for example, name, number, cross street), date and time the break was found, date and time the break was repaired, estimated duration of the break, and estimated water volume lost through the break. The Board will make a template available on its website.(3) The deadline for this submission is identical to the water audit submission deadline for the third year's audit, as described in Water Code section 10608.34, subdivision (b).Cal. Code Regs. Tit. 23, § 983
1. New section filed 2-6-2023; operative 4-1-2023 (Register 2023, No. 6). Note: Authority cited: Sections 1058 and 10608.34, Water Code. Reference: Article X, Section 2, California Constitution; Section 116275, Health and Safety Code; Sections 102, 104, 105, 350, 516, 1846, 10608.12 and 10608.34, Water Code.
1. New section filed 2-6-2023; operative 4/1/2023 (Register 2023, No. 6).