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0006Stc*te of California Memorandum To Files B. Rinehart From : Division of Water Rights The Resources Agency state Water Resources Control Board Date : December 11, 1972 subject: Permits 13526, 13527, 13528, 13529, 13530 & 14335 (Applications 18, 18030, 18031, 18038, 18039, 19629) Application 23502, Lake Tahoe in El Dorado Co., Angora Water Co. Pending Application 23502 is for 14.33 cfs to be"diverted from Lake Tahoe by Angora Water Company for the same amount and place of use as under Applications 18030, 18031, 18038, 18039 and 19629 which are collectively permitted for 14.33 cfs from the Upper Truckee River and tributaries. Petitions have been filed with each of the companion filings for extension of time, change in point of diversion and to add to the place of use Tahoe Keys, Gardner Mountain, Angora and Tahoe Paradise and consolidate them into a single enterprise which is now called Angora Water Company. Wells are presently used to serve the entire area with the excep- tion of a supplemental gravity diversion from a spring (A-18021). Pending Application 23502 was filed to consolidate the entire place of use and requirements of water into a single filing. Water requirements have been calculated based on Provisional 1972 El Dorado County zoning maps for the petitioned and permitted places of use. The permitted area covers 4,884 acres which will support 12,600 dwelling units and require 3,610 afa. The petitioned place of use covers 4,912 acres and will support 17,015 dwelling units for a water requirement of 5,106 SURNAME .4f'f 702--1/- 7z— WRCB 129 00.87) - ?L Files -2- December 11, 1972 afa. The total water requirements for 29,615 dwelling units equals 8,716 afa. Water requirements as shown in Table A were determined by the following procedure: 1. Planimetered each zoned area within the permitted and petitioned place of use as delineated on 1972 Provisional zoning maps. 2. Applied a dwelling unit per acre factor from the land use Summary in the 1972 General Plan of TRPA to obtain total dwelling units for full development. 3. Applied a unit requirement of 0.3 afa per DU (i.e. 265 gpd per DU per year)_as shown as an average annual requirement in the Report on 1969 use of water within Lake Tahoe Basin, California. example: Acres x DU per acre = DU DU x 0.3 = afa requirement Table A Summary Showing Zoning, -Acreage and Water Requirements for Tahoe Paradise Water and Gas Co. Permitted Area Zoning Acreage DU per Acre DU AFA Requirement LDR 1,905 4 7,620 2,286 MDR 34 8 272 82 GF 2,462 - - GC 247 15 3,705 1,112 PS 34 - - RE 103 1 103 103 REC 49 - - TC 6 15 90 27 CR 4,o64 12,60o 3, b10 Files -3- December 11, 1972 Petitioned Area Zoning Acreage DU per Acre DU AFA Requirement LDR 2,324 4 9,296 2,789 MDR 167 8 1,336 401 HDR 217 15 3,255 977 GF 1,496 - - GC 187 15 2,805 842 PS RE 1113 1 113 34 TC 14 15 210 63 CR 89 - - 4,912 17,015 5,106 Table A Summary. Annual limitation of permits Requirements for permitted place of use Additional amount needed to satisfy requirements for permitted place of use, Requirements for petitioned place of use Total additional requirements for permitted and petitioned place of use. 2, 760 afa 3,610_ tS 50 5,106 5,956 The permitted amount is insufficient therefore reliance on pending Application 23502 willbecmade, and in addition.a portion of water requirements may be met by part of the City of South Lake Tahoe filing"(pending Application 23393) which requested 52.5 cfs. It is recommended that an extension of time and change in point of diversion be granted on the companion filings. The petition for change in place of use must be denied due to insuf- ficient water. The permits should be amended allowing quantitative limits from all sources including wells. BR:lryder