October 2009 - South Tahoe Public Utility District

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3.5 Alpine Decree Surface Water Rights to Support Indian Creek Reservoir ......................................................................................... 3-18 3.6 Easements and Encroachment Permits for District Fresh Water Facilities ........................................................................................... 3-18 Section 4: Existing Recycled Water System ........................................... 4-19 4.1 Recycled Water Facilities ................................................................. 4-19 4.1.1 General System Description ................................................. 4-19 4.1.1.1 Harvey Place Reservoir ...................................... 4-19 4.1.1.2 Diamond Ditch System ........................................ 4-19 4.1.1.3 Dressler On-Farm System ................................... 4-20 4.1.2 Ditch System Condition Assessment .................................... 4-21 4.2 Recycled Water Irrigators ................................................................. 4-21 4.2.1 Current Users ....................................................................... 4-21 4.2.1.1 Bruns Ranch ....................................................... 4-22 4.2.1.2 Gansberg Ranch ................................................. 4-22 4.2.1.3 Neddenriep Ranch Partnership ........................... 4-23 4.2.1.4 Bently (Ace Hereford Ranch) .............................. 4-23 4.2.1.5 Celio Ranch ........................................................ 4-23 4.2.1.6 Scott Brooke ....................................................... 4-23 4.3 Easements and Encroachment Permits for District Recycled Water Facilities ................................................................................ 4-24 4.4 Future Potential Users ..................................................................... 4-24 4.4.1 Potential Alpine County Users .............................................. 4-24 4.4.2 Potential Nevada Users ........................................................ 4-25 Section 5: Flow Projections - Recycled Water Quantity and Quality ...... 5-27 5.1 Recycled Water Quantity ................................................................. 5-27 5.1.1 Recycled Water Quantity - Projected Flow ........................... 5-28 5.1.1.1 Recycled Water Flow Estimate Method 1 ............ 5-28 5.1.1.2 Recycled Water Flow Estimate Method 2 ............ 5-30 5.1.1.3 Recycled Water Flow Estimate Method 3 ............ 5-32 5.2 Recycled Water Quality.................................................................... 5-33 5.2.1 WWTP Recycled Water Quality ............................................ 5-33 5.2.2 Trend Analysis...................................................................... 5-38 5.2.3 Projected Water Quality ........................................................ 5-38 5.2.4 Groundwater Monitoring ....................................................... 5-39 Section 6: Recycled Water Quality Regulation ........................................ 6-41 6.1 Introduction ...................................................................................... 6-41 6.2 California Regulation ........................................................................ 6-42 6.2.1 Water Code .......................................................................... 6-42 6.2.2 Title 22 6-43 6.2.3 Title 17 6-44 6.3 Nevada Regulation .......................................................................... 6-44 6.3.1 Nevada Division of Environmental Protection ....................... 6-44 6.3.2 Tailwater Operating Agreement ............................................ 6-45 6.4 Anticipated Permitting Requirements ............................................... 6-46 6.4.1 NEPA Documentation........................................................... 6-46 6.4.2 The California Environmental Quality Act (CEQA) ................ 6-46 South Tahoe Public Utility District Recycled Water Facilities Master Plan - October 2009 Page iv
6.4.3 Endangered Species Act ...................................................... 6-46 6.4.4 Section 401 of the Clean Water Act ...................................... 6-47 6.4.5 Section 402 of the Clean Water Act ...................................... 6-47 6.4.6 National Historic Preservation Act ........................................ 6-47 Section 7: Master Plan Development ...................................................... 7-49 7.1.1 Introduction .......................................................................... 7-49 7.1.2 Purpose and Need ............................................................... 7-49 7.2 Master Plan Objectives .................................................................... 7-50 7.2.1 Regulatory/Permitting ........................................................... 7-51 7.2.2 Reliability and Flexibility ....................................................... 7-51 7.2.3 Environmental Issues ........................................................... 7-52 7.2.4 Alpine County ....................................................................... 7-52 7.2.5 Guiding Principles ................................................................ 7-52 7.3 Planning Process ............................................................................. 7-54 Section 8: Development of Projects ........................................................ 8-57 8.1 Introduction and Project Development ............................................. 8-57 8.2 Master Plan Project Listing .............................................................. 8-58 Section 9: Recycled Water Infrastructure Projects ................................ 9-61 9.1 Project No. 1 - Recycled Water Irrigation Fields on Diamond Valley Ranch .................................................................................... 9-61 9.1.1 Project Description ............................................................... 9-62 9.1.2 Project Considerations ......................................................... 9-63 9.2 Project No. 2 - Harvey Place Reservoir Bypass System Pipelines .......................................................................................... 9-63 9.2.1 Project Description ............................................................... 9-64 9.2.2 Project Considerations ......................................................... 9-65 9.3 Project No. 3 - Diamond Valley Ranch Irrigation Fields Pump Back Station ..................................................................................... 9-65 9.3.1 Project Description ............................................................... 9-66 9.3.2 Project Considerations ......................................................... 9-66 9.4 Project No. 4 - Diamond Valley Freshwater / Recycled Water Irrigation System .............................................................................. 9-66 9.4.1 Project Description ............................................................... 9-67 9.4.2 Project Considerations ......................................................... 9-67 9.4.3 Phase 1 – Irrigation Fields Irrigation ..................................... 9-67 9.4.4 Phase 2 – Diamond Valley Irrigation Distribution Network for Fresh and Recycled Water .............................................. 9-68 9.5 Project No. 5 - Diamond Ditch Conveyance Improvements ............. 9-68 9.5.1 Project Description ............................................................... 9-69 9.5.2 Project Considerations ......................................................... 9-69 9.6 Project No. 6 - Waterfall Pipeline Forebay and Pipeline ................... 9-70 9.6.1 Project Description ............................................................... 9-70 9.6.2 Project Considerations ......................................................... 9-71 9.7 Project No. 7 - District Pasture Subsurface Irrigation Pilot Project ............................................................................................. 9-71 9.7.1 Project Description ............................................................... 9-71 9.7.2 Project Considerations ......................................................... 9-71 South Tahoe Public Utility District Recycled Water Facilities Master Plan - October 2009 Page v
Page 1 and 2: South Tahoe Public Utility District
Page 3: Table of Contents List of Tables ..
Page 7 and 8: Section 13: 12.4 Potential Temporar
Page 9 and 10: 11.2 - Indian Creek Freshwater Trea
Page 11 and 12: Executive Summary Introduction, Pur
Page 13 and 14: Through a process of public partici
Page 15 and 16: Table ES-2 presents vital numbers r
Page 17 and 18: Section 7 - Master Plan Development
Page 19 and 20: Section 1: Introduction The purpose
Page 21 and 22: agreement between South Lake Tahoe
Page 23 and 24: 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
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Section 6: Recycled Water Quality R
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Services (DHS) to establish water r
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„Secondary treatment‟ means the
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6.4.4 Section 401 of the Clean Wate
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Section 7: Master Plan Development
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● ● ● ● ● To maximize rec
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annually. This inconsistency can be
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Each workshop conducted in 2001 was
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Section 8: Development of Projects
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Table 8.1 Recycled Water Facilities
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Section 9: Recycled Water Infrastru
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Several options exist for efficient
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Reservoir outlet facility to Diamon
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9.4.1 Project Description The desig
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9.5.1 Project Description Improveme
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monitoring and SCADA control system
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Pressure required to allow full fun
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elatively minor in comparison to op
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Section 10: Recycled Water Manageme
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with recycled water. This and other
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Section 11: Fresh Water Infrastruct
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Like Project No. 14 (page 11-81), p
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available storage volume of the Res
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Section 12: Fresh Water Management
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Section 13: Master Plan Implementat
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13.2 Recycled Water Production Trig
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Ranch Total Acreage Table 13.1 - Ac
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13.3 Regulation Triggered Project I
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District to realize an economic ben
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pipeline from the beginning of the
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13.8 Capital Improvement Plan The M
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2) Construct Project No.‟s 1, 2,
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13.9.3 Groundwater Monitoring Recom
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It is recommended that District imp
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October 2009 - South Tahoe Public Utility District

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