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0202STATE OF CALIFORNIA STATE WATER RIGHTS BOARD REPORT OF FIELD INVESTIGATION ON APPLICATIONS 1$021, 1$030, 1$031, 1$03$ and 1$039 Tributaries of Lake Tahoe El Dorado County Introduction M art The above -numbered applications were all filed by Myers Water Company to appropriate water year-round from various tributaries of Lake Tahoe to serve domestic water to an area of approximately 3,160 acres with an estimated ultimate population of about 2$,000 persons. The Water Company bounda- ries include land within Sections 5, 6, 7 and $, T11N, R18E, Sections 25 and 36, T12N, R17E, and Sections 19, 20, 2$, 29, 30, 31 and 32, T12N, R18E, MDB&M*. All of the applications were protested by Sierra Pacific Power Company, Truckee -Carson Irrigation District, Washoe County Water Conservation District, and the California Department of Fish and Game. A field investigation was made on September 1, 1959, to obtain certain physical data regarding the proposed projects. Those present at the investigation were: Harold S. Prescott President, Myers Water Company, Applicant Leo K. Homer ) Representing the State Water Arthur N. Webb) Rights Board *Hereinafter all township and range designations refer to Mount Diablo Base and Meridian (MDB&M). Proposed Projects Application 1$021 proposes appropriation of 2.5 cubic feet per second (cfs) by direct diversion and 6 acre- feet per anum (afa) by storage from an unnamed creek tributary to Lake Tahoe via Saxon Creek and Trout Creek. Both direct diversion and storage will be effected by means of an earth dam 20 feet high and 1$0 feet long located within the NE4 of NW4 of Section 33, T12N, R18E. The dam has not yet been started; however, a 65,000, gallon elevated tank is in place, as 'e part of the 8 -inch transite mains for delivery of water from the source. Mr. Prescott stated that the water company hopes to have all of the mains installed in this part of the subdivision before the end of the year. He indicated that the storage reservoir will not be needed for about 3 years. Most of the roads for this part of the development were graded and apparently ready for surfacing, and some lots were cleared and home construction started. Application 1$030 proposes appropriation of 3 cfs by direct diversion from an unnamed stream tributary to Lake Tahoe via Upper Truckee River to be pumped from a sump located within the SW4 of SW4 of Section 30, T12N, R18E. There has .been no actual development on this portion of the overall project. Application 1$031 proposes appropriation of 3 cfs by direct diversion from Upper Truckee River tributary to Lake Tahoe, to be pumped from a sump located within the NE3 of NE of Section 31, T12N, R18E. There has been no actual development on this portion of the overall project. Application 1$03$ proposes appropriation of 3 cfs by direct diversion and 200 afa by storage from Upper Truckee River. The earth dam, to be located within the NW of SW. of Section $, T11N, R18E, is to be 25 feet high and 1$0 feet long. There has been no actual development on this portion of the overall project. Application 1$039 proposes appropriation of 3 cfs by direct diversion and 200 afa by storage from Upper Truckee River. The earth dam, to be located within the NWS of SA of Section 5, T11N, R18E, is to be 20 feet high and 210 feet long. There has been no actual development on this portion of the overall project. Source of Water Supply According to the USGS "Bijou" and "Freel Peek" quadrangles, 7.5 minute series, the unnamed creek under Appli- cation 1$021 rises in the mountains southeast of Myers, in the SWC of Section 33, T12N, R18E, at about elevation 7,500 feet, and flows in a general northeasterly direction about one mile to the confluence with Saxon Creek. Saxon Creek continues in. a general northerly direction about 2.5 miles to the confluence with Trout Creek, which continues about 5.5 miles to Lake Tahoe. The point of diversion under Application 18021 is located about one-quarter mile above the confluence of the unnamed creek and Saxon Creek. According to the USGS "Markleville" and "Silver Lake", 15 -minute quadrangle, and the "Bijou'?, "Echo Lake" and "Emerald Bay", 7.5 minute quadrangles, Upper Truckee River rises in the Carson Range in Section 10, T1ON, R18E, at about elevation 9,300 feet and flows in a general northerly direction about 21 miles to Lake Tahoe. The unnamed stream under Application 18030 rises in the mountains north of Echo Lake in Section 26, T12N, R17E, at about elevation 8,000 feet, and flows in a general easterly direction about 2.5 miles to the confluence with Upper Truckee River about 9 miles upstream from Lake Tahoe. The point of diversion is about three-quarters mile above the confluence. The remaining points of diversion „with respect to this con- fluence, are located as follows: (1) Application 18031 --on Upper Truckee River about three-quarters mile above the confluence. (2) Application 18038 --on Upper Truckee River about 3.5 miles above the confluence. (3) Application 18039 --on Upper Truckee River about 2.5 miles above the confluence. The flow was measured at the time of the investigation at the various points of diversion with the following results: Application Method of Measurement Flow 18021 3 -inch Parshall Flume 0.13 cfs 18030 Stop watch and bucket 5 gallons per minute 18031 Pygmy Meter 6.7 cfs 1$038 Pygmy Meter 5.0 cfs 18039 Estimate about 5.0 cfs Other Matters The matter of chronology of development was discussed. Mr. Prescott stated that the projects will be developed with the same chronology as the applications, with Application 18021 being developed first, Applications 18030 and 18031 being developed second, Application 1803$ being developed third, and Application 1$039 being developed last. He stressed that the overall project will be developed as fast as possible, consistent with conditions that develop, and gave the following as the present projection of need and development: 1. By the end of 1959--a total of 1,460 lots sold with a need of about 3.3 cfs. 2. By the end of 1960 --an additional 750 lots with a need of about 1.7 cfs. 3. By the end of 1965 --an additional 2,750 lots with a need of about 6 cfs, making a total, at this time, of 4,960 lots with a need of about 11 cfs. The storage facilities will provide a firm supply when surface flows are inadequate. Included in the overall project will be some commercial establishments, as well as an 1$ -hole golf course. The amounts applied for appear to be reasonable if the development is consummated as planned. ,deAoe Ar hur N. Webb Assistant Hydraulic Engineer Dated: November 2, 1959 Sacramento, California