BILL ANALYSIS SB 821 Page 1 Date of Hearing: July 3, 2007 ASSEMBLY COMMITTEE ON WATER, PARKS AND WILDLIFE Lois Wolk, Chair SB 821 (Kuehl) - As Amended: May 1, 2007 SENATE VOTE : 25-10 SUBJECT : Land use: water supplies: report SUMMARY : Requires the California Research Bureau (CRB) to study water use by new residential developments and large scale development projects under current law. Specifically, this bill: 1)Requires CRB to investigate andinvestigate andmake findings as to the followingas to the following: a) The effect of current requirements that there be a showing of sufficient water supply before approval of a map of a subdivision with more than 500 dwelling units; b) The estimated effect on water use if current requirements had affected subdivisions 250 or more dwelling units rather than 500 dwelling units; c) The number of projects and the cumulative water use of large scale development projects required to have a water supply assessment. 2)Requires CRB to consult the State Clearinghouse to prepare a report based on these findings. EXISTING LAW : Requires cities and counties to include as a condition in their approval of a tentative map for a subdivision with more than 500 dwelling units that a sufficient water supply is available. Large-scale development projects, including non-residential projects, are required to have a water supply assessment. FISCAL EFFECT :Senate Appropriations Committee did not hear this bill, as costs were considered insignificant, pursuant to Senate Rule 28.8Senate Appropriations Committee did not hear this bill, as costs were considered insignificant, pursuant to Senate Rule 28.8. SB 821 Page 2 COMMENTS : As introduced, this bill made incremental changes by extending current requirements to smaller subdivisions. Due to concern in the Senate over altering existing law before its effect was determined, the bill was amended to be a study bill that asks, "what if we had written existing law differently?" If this bill is already going to ask "what if," the Committee may consider whether to enlarge theCommittee may consider whether to enlarge thestudy in order to assess water consumption across a broader array of additionala broader array of additionalheavy-use categories. Additional categories may include. Additional categories may includeresidential developments by acreage and non-residential developments.and developmentsREGISTERED SUPPORT / OPPOSITION : Support : Planning and Conservation League Opposition : California Building Industry Association Analysis Prepared by : Alf W. Brandt and Julia Melnicoe / W., P. & W. / (916)319-2096