October 2009 - South Tahoe Public Utility District

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address potential operational concerns as well as the possibility of the loss of lands currently irrigated with recycled water due to subdivision or some other cause. Lastly, some projects have been developed in response to regulatory or environmental considerations. Projects were developed, as much as possible, to meet multiple needs. 8.2 Master Plan Project Listing The Master Plan consists of 26 distinct projects classified in the four types mentioned previously. Of these 26 projects, eight are recommended for implementation in the near future, twelve projects are identified as projects that may or may not be implemented based on various contingencies and project triggers, and the remaining six projects are classified as potential future projects. Table 8.1 (page 8-59) presents a summary of the Master Plan projects, including conceptual costs for recommended infrastructure projects. Each of the projects are detailed in the following sections with the recycled water infrastructure projects discussed in Section 9, the recycled water management projects discussed in Section 10, the freshwater infrastructure projects discussed in Section 11, the freshwater management projects discussed in Section 12, and the projects classified as potential future projects detailed in Section 13. All of the recommended and contingent projects are shown in Figure 8.1 (at the end of Section 8). Some of the Master Plan projects include variations to provide the District with some flexibility while others stand alone. The Master Plan projects reflect the most desirable aspects of the project alternatives to provide the framework of a Master Plan that provides the District with the security, reliability, and economy required; provide the County and local residents with continued support of agricultural practices; and impart a minimal impact to aesthetics and land use practices in the area. South Tahoe Public Utility District Recycled Water Facilities Master Plan - October 2009 Page 8-58
Table 8.1 Recycled Water Facilities Master Plan Projects Project Number 1 2 3 4 Project Description Recycled Water Irrigation Fields on Diamond Valley Ranch Harvey Place Reservoir Bypass System Pipelines and Ditches Diamond Valley Ranch Irrigation Fields Pump Back Station Diamond Valley Freshwater/Recycled Water Irrigation System Project Type Recycled Water Infrastructure Projects Recommendation Status Conceptual Cost ($MIL) Incorporates All or Portion of Component Number(s)** Recommended 3.5 11, 19 Recommended 6.9 11 Recommended 0.6 11 Recommended 1.9* 29, 30 5 Diamond Ditch Conveyance Improvements Recommended 1.2 3 6 Waterfall Pipeline Forebay and Pipeline Recommended 2.0 3, 4, 6, 22 7 District Pasture Subsurface Irrigation Pilot Project Contingent 0.4 7, 14, 16 8 West Fork Pipeline Contingent 4.6 1, 2, 4, 7, 14 9 On-Farm Pipeline Contingent 2.8 1, 6, 7, 14 10 Wade Valley Pipeline Contingent 3.1 5, 14, 20, 22 11 Prepare Nutrient Management Plans Recycled Water Management 12 Permitting for Recycled Water Use in Diamond Valley Projects 13 Make Recycled Water Available to Irrigators in Nevada Recommended Recommended Not Developed 18 19 Contingent 2 14 15 Snowshoe Thompson No. 1 Conveyance Capacity Improvements Upper Dressler Ditch Conveyance Improvements Freshwater Infrastructure Projects Contingent 3.0 17, 23, 24 Contingent 2.5 23, 24 16 Indian Creek Treatment Wetlands Contingent 0.9 23, 24 17 Diversion Ditch for Stormwater Flow Away from Harvey Place Reservoir and to Indian Creek Reservoir Contingent 0.4 31 18 Indian Creek Reservoir Spillway Channel Contingent 0.9 32 19 Use Mud Lake Winter Flows for Indian Creek Reservoir Flushing Freshwater Management Projects Contingent Not Developed 20 Storage of Water for Downstream Users Contingent 24 23 21 Develop Recycled Water Wholesale Program Future Projects Future 25 22 Biosolids Composting Future 26 Become a Water Rights Buyer/Broker to 23 Future Maintain the Value of Recycled Water Not 27 Developed 24 Power Generation Future 28 25 Extend the C-Line to the State Line Future 33 26 Injection Well Program Future 8, 34 *Does not include Phase 3, Irrigation of the Jungle. **See Appendix F – Technical Memorandum 6 for component listing. South Tahoe Public Utility District Recycled Water Facilities Master Plan - October 2009 Page 8-59
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South Tahoe Public Utility District
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Table of Contents List of Tables ..
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6.4.3 Endangered Species Act ......
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Section 13: 12.4 Potential Temporar
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11.2 - Indian Creek Freshwater Trea
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Executive Summary Introduction, Pur
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Through a process of public partici
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Table ES-2 presents vital numbers r
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Section 7 - Master Plan Development
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Section 1: Introduction The purpose
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agreement between South Lake Tahoe
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irrigation ditches were used to irr
Page 25 and 26: Agreement Name 1967 Agreement Harve
Page 27 and 28: Agreement Name Celio Agreement Tent
Page 29 and 30: Section 2: Study Area 2.1 Descripti
Page 31 and 32: ecycled water facilities and public
Page 33 and 34: Section 3: Existing Freshwater Syst
Page 35 and 36: Figure 3.2: Indian Creek Reservoir
Page 37 and 38: Section 4: Existing Recycled Water
Page 39 and 40: Farm lateral must be intact to util
Page 41 and 42: 4.2.1.3 Neddenriep Ranch Partnershi
Page 43 and 44: Development in areas currently rece
Page 45 and 46: Flow (MGD) Section 5: Flow Projecti
Page 47 and 48: Table 5.0: Recycled Water Flow and
Page 49 and 50: Volume of Recycled Water (AFY) Tabl
Page 51 and 52: estimated 2028 population of 33,900
Page 53 and 54: Figure 5.2.1(b): NO 3-N versus Time
Page 55 and 56: Figure 5.2.1(f): Total Dissolved So
Page 57 and 58: 5.2.4 Groundwater Monitoring The Di
Page 59 and 60: Section 6: Recycled Water Quality R
Page 61 and 62: Services (DHS) to establish water r
Page 63 and 64: „Secondary treatment‟ means the
Page 65 and 66: 6.4.4 Section 401 of the Clean Wate
Page 67 and 68: Section 7: Master Plan Development
Page 69 and 70: ● ● ● ● ● To maximize rec
Page 71 and 72: annually. This inconsistency can be
Page 73 and 74: Each workshop conducted in 2001 was
Page 75: Section 8: Development of Projects
Page 79 and 80: Section 9: Recycled Water Infrastru
Page 81 and 82: Several options exist for efficient
Page 83 and 84: Reservoir outlet facility to Diamon
Page 85 and 86: 9.4.1 Project Description The desig
Page 87 and 88: 9.5.1 Project Description Improveme
Page 89 and 90: monitoring and SCADA control system
Page 91 and 92: Pressure required to allow full fun
Page 93 and 94: elatively minor in comparison to op
Page 95 and 96: Section 10: Recycled Water Manageme
Page 97 and 98: with recycled water. This and other
Page 99 and 100: Section 11: Fresh Water Infrastruct
Page 101 and 102: Like Project No. 14 (page 11-81), p
Page 103 and 104: available storage volume of the Res
Page 105 and 106: Section 12: Fresh Water Management
Page 107 and 108: Section 13: Master Plan Implementat
Page 109 and 110: 13.2 Recycled Water Production Trig
Page 111 and 112: Ranch Total Acreage Table 13.1 - Ac
Page 113 and 114: 13.3 Regulation Triggered Project I
Page 115 and 116: District to realize an economic ben
Page 117 and 118: pipeline from the beginning of the
Page 119 and 120: 13.8 Capital Improvement Plan The M
Page 121 and 122: 2) Construct Project No.‟s 1, 2,
Page 123 and 124: 13.9.3 Groundwater Monitoring Recom
Page 125 and 126: It is recommended that District imp
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October 2009 - South Tahoe Public Utility District

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