Draft 2025 Urban Water Management Plan

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Section 9 | Demand Management Measures

Law

10631(f) Provide a description of the supplier’s water demand management measures. The description shall include all of the following:

(1)(A) For an urban retail water supplier, as defined in Section 10608.12, a narrative description that addresses the nature and extent of each water demand management measures implemented over the past five years. The narrative shall describe the water demand management measures that the supplier plans to implement to achieve its water use targets pursuant to Section 10608.20. (B) The narrative pursuant to this paragraph shall include descriptions of the following water demand management measures: (i) Water waste prevention ordinances; (ii) Metering; (iii) Conservation pricing; (iv) Public education and outreach; (v) Programs to assess and manage distribution system real loss; (vi) Water conservation program coordination and staffing support; (vii) Other demand management measures that have a significant impact on water use as measured in gallons per capita per day, including innovative measures, if implemented. 10631(i) For purposes of this part, urban water suppliers that are members of the California Urban Water Conservation Council shall be deemed in compliance with the requirements of subdivision (f) by complying with all the provision of the “Memorandum of Understanding Regarding Urban Water Conservation in California,” dated December 10, 2008, as it may be amended, and by submitting the annual reports required by Section 6.2 of that memorandum.

Demand management measures (DMM) may also be referred to as water conservation or water use efficiency measures. In layman’s terms these are any efforts, incentives, programs, or other management strategies aimed at reducing overall customer demands and water use across sectors. The following section describes IRWD’s individual DMMs and how these efforts have been implemented over time.

9.1 Demand Management Measure Implementation

Water resource stewardship has been a hallmark of IRWD since its inception. IRWD set an aggressive pace to promote the efficient use of all water resources beginning in the late 1980’s and into the drought of the early 1990’s. This effort, which included intensive communication with the various customer groups and some of the first home water audit and ultra-low flush toilet programs in the state, culminated in the adoption of the budget-based rate structure by the

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IRWD – 2025 Urban Water Management Plan

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