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<br />Bulletin 160-98 PubHc Review Draft <br /> <br />003J83 <br /> <br />Appendix 2A. Institutional Framework for Allocating <br />and Managing Water Resources in California <br /> <br />brought under Article X, Section 2. The board's authority to order preparation of such a plan was <br />upheld in 1990 by the courts in Imperial Irrigation District v. State Water Resources Control <br />Board. <br /> <br />~j <br />I <br />I <br /> <br />Urban Water Management Planning Act <br /> <br /> <br />Since 1983, this act has required urban water suppliers that serve more than <br /> <br /> <br />3,000 customers or more than 3,000 acre-feet per year to prepare and adopt urban water <br /> <br />conservation plans. The act authorizes the supplier to implement the water conservation program. <br /> <br /> <br />The plans must contain several specified elements, including: estimates of water use, <br /> <br />identification of existing conservation measures, identification of alternative conservation <br /> <br /> <br />measures, a schedule of implementation of actions proposed by the plan, and identification of the <br /> <br />frequency and magnitude of water shortages. In 1991, the act was amended in response to the <br /> <br /> <br />drought to require water suppliers to estimate water supplies available at the end of one, two, and <br /> <br /> <br />three years, and to develop contingency plans for severe shortages. The act also requires water <br /> <br />suppliers to review and update their plans at least once every five years. <br /> <br />Water Conservation in Landscaping Act <br /> <br />The Water Conservation in Landscaping Act required the Department, with the assistance <br /> <br />of an advisory task force, to adopt a model water -efficient landscape ordinance. The model <br /> <br />ordinance was adopted in August 1992, and has been codified in Title 23 of the California Code <br /> <br /> <br />of Regulations. It establishes methods of conserving water through water budgeting plans, plant <br /> <br />use, efficient irrigation, auditing, and other methods. <br /> <br />Cities and counties were required to review the model ordinance and adopt a water- <br /> <br /> <br />efficient landscape ordinance by January I, 1993, if they had not done so already. Alternatively, <br /> <br />cities and counties could make a finding that such an ordinance is unnecessary due to climatic, <br /> <br /> <br />geological, or topographic conditions, or water availability. If a city or county failed to adopt a <br /> <br />water efficient landscape ordinance or make findings by January 31, 1993, the model ordinance <br /> <br /> <br />became effective in that jurisdiction. <br /> <br /> <br />Agricultural Water Management Planning Act <br /> <br />Under this act, agricultural water suppliers supplying more than 50,000 af of water <br /> <br /> <br />annually were required to submit a report to the Department indicating whether a significant <br /> <br /> <br />opportunity exists to conserve water or reduce the quantity of highly saline or toxic drainage <br /> <br />I <br />~ <br /> <br />r.J <br /> <br />2A-21 <br />