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NORTH VALLEY REGIONAL WATER AND WASTEWATER PROJECTS

NORTH VALLEY REGIONAL WATER AND WASTEWATER PROJECTS. MEETING OF THE NEW MEXICO-TEXAS WATER COMMISSION May 19, 2005. PROJECT SPONSORS. Doña Ana MDWCA Ft. Selden Water Company Leasburg MDWCA Jornada Water Company Picacho MDWCA. PROJECT OVERVIEW.

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NORTH VALLEY REGIONAL WATER AND WASTEWATER PROJECTS

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  1. NORTH VALLEY REGIONAL WATER AND WASTEWATER PROJECTS MEETING OF THE NEW MEXICO-TEXAS WATER COMMISSION May 19, 2005

  2. PROJECT SPONSORS • Doña Ana MDWCA • Ft. Selden Water Company • Leasburg MDWCA • Jornada Water Company • Picacho MDWCA

  3. PROJECT OVERVIEW • Wastewater Collection System from Radium Springs to the Las Cruces city limits (85 square miles/121 miles of collection lines) • 2.0 MGD Wastewater Treatment Plant • Reclamation/Reuse • 2.0 MGD Surface Water Treatment Plant • Supply Treated Surface Water to Domestic Water Providers

  4. PROJECT OBJECTIVES • Groundwater Protection • Quantity (Groundwater, Surface Water) • Quality (Salinity, Septic Contamination) • Extend Water Service to Drought-Affected Residents • Conjunctive Water Management • Surface Water • Groundwater

  5. PROJECT DEMOGRAPHICS • Total Population of Service Area: 18,300+ • Total Households in Service Area: 6,000 • Total Minority Population: 55% • Service Area Contains 8 Designated Colonias

  6. TREATMENT PLANT SITE • Site 1 – Radium Springs • Site 2 – Radium Springs • Site 3 – South of Radium Springs • Site 4 – Near Community of Hill • Site 5 – Near Doña Ana County Transfer Station/East of I-25

  7. EXISTING WATER SYSTEMS • Doña Ana MDWCA 9,695 • Fort Selden Water Co. 973 • Jornada Water Company 260 • Leasburg MDWCA 975 • Leasburg State Park 40 • Picacho MDWCA 977 • + Approximately 1,200 individual wells serving remaining residents

  8. EXISTING WASTEWATER SYSTEM • Wastewater Customers 259 • Design Capacity: Up to 550 Connections • Number of Septic Tanks/Cesspools 6,000

  9. FUTURE WATER SYSTEM • Water Connection Customers 6,000 • Population Served 18,300+ • Annual Average Water Use 140 gpcd • Peak Demand 5.2 MGD • Well Capacity 3.5 MGD • Water Treatment Capacity 2.0 MGD • Water Storage Capacity 5.0 MGD

  10. FUTURE WASTEWATER SYSTEM • Wastewater Customers 6,000 • People Served 18,300+ • WW Treatment Plant Capacity 2.0 MGD • 2.0 MGD tertiary treated water available for reuse/reclamation

  11. WATER TREATMENT ALTERNATIVES • Membrane Filtration • Conventional Water Treatment • ActiFloc System (Mixed Media Filtration) Estimated Construction Cost: $3.50 - $6.00/1,000 gallons

  12. WATER DISTRIBUTION ALTERNATIVES • Water diversion from Leasburg Canal • Dedicated water transmission lines • Bulk water sales • New storage • Existing storage

  13. WATER TREATMENT CHALLENGES • Diversion and pumping • Water storage and distribution • Sediment • Quality fluctuations • No year-round surface water supply

  14. WASTEWATER COLLECTION ALTERNATIVES • On–site Systems Not considered • Pressure Systems $0.75 million • Vacuum Sewer $ 25 million • Gravity Sewer $110 million

  15. WASTEWATER TREATMENT ALTERNATIVES • Sequencing Batch Reactor • Conventional Activated Sludge Plant • Pre-Engineered Activated Sludge Plant • Membrane Bioreactor • STM-Aerotor Estimated Construction Cost: $3.50 - $6.00/1,000 gallons

  16. ESTIMATED PROJECT COST • Wastewater Collection $25,000,000 • Wastewater Treatment Plant $6,000,000 • Surface Water Treatment Plant $6,500,000 • Water Distribution Improvements $3,500,000 TOTAL COST $41,000,000 CURRENTLY FUNDED $ 4,266,500 FUNDING REQUIRED $38,233,500

  17. CURRENT FUNDING SOURCES • State Appropriations $1,405,400 • BECC $230,000 • Federal Appropriations $1,289,000 • CDBG Grants $256,000 • NMFA Grants $425,000 • NMED – RIP Loan $500,000 • LRGWUO $28,000 • Doña Ana MDWCA $78,889 Total Funds in Hand $4,266,500

  18. FUNDING APPLICATIONSPHASE I CONSTRUCTION • Federal Appropriations (2005) $12,000,000 • Water Trust Board $10,250,000 • USDA-Rural Development $ 7,000,000 • NMFA W/WW Grant Fund $10,000,000 Total Funding Applications$39,250,000

  19. PROJECT SCHEDULE • Planning 2003/2005 • Design 2005/2006 • Construction • 2007 Wastewater Collection System & Treatment Plant • 2006 Surface Water Treatment Plant

  20. CONCLUSION • Proactive Approach • Regional Effort for Conjunctive Water Resource Management • Groundwater Conservation/Protection • New Regulatory Precedent

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