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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

NORTH VALLEY REGIONAL WATER AND WASTEWATER PROJECTS

MEETING OF THE NEW MEXICO-TEXAS WATER COMMISSION

May 19, 2005

project sponsors
PROJECT SPONSORS
  • Doña Ana MDWCA
  • Ft. Selden Water Company
  • Leasburg MDWCA
  • Jornada Water Company
  • Picacho MDWCA
project overview
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
project objectives
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
project demographics
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
treatment plant site
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
existing water systems
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

existing wastewater system
EXISTING WASTEWATER SYSTEM
  • Wastewater Customers 259
  • Design Capacity: Up to 550 Connections
  • Number of Septic Tanks/Cesspools 6,000
future water system
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
future wastewater system
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
water treatment alternatives
WATER TREATMENT ALTERNATIVES
  • Membrane Filtration
  • Conventional Water Treatment
  • ActiFloc System (Mixed Media Filtration)

Estimated Construction Cost: $3.50 - $6.00/1,000 gallons

water distribution alternatives
WATER DISTRIBUTION ALTERNATIVES
  • Water diversion from Leasburg Canal
  • Dedicated water transmission lines
  • Bulk water sales
  • New storage
  • Existing storage
water treatment challenges
WATER TREATMENT CHALLENGES
  • Diversion and pumping
  • Water storage and distribution
  • Sediment
  • Quality fluctuations
  • No year-round surface water supply
wastewater collection alternatives
WASTEWATER COLLECTION ALTERNATIVES
  • On–site Systems Not considered
  • Pressure Systems $0.75 million
  • Vacuum Sewer $ 25 million
  • Gravity Sewer $110 million
wastewater treatment alternatives
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

estimated project cost
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

current funding sources
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

funding applications phase i construction
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

project schedule
PROJECT SCHEDULE
  • Planning 2003/2005
  • Design 2005/2006
  • Construction
    • 2007 Wastewater Collection System & Treatment Plant
    • 2006 Surface Water Treatment Plant
conclusion
CONCLUSION
  • Proactive Approach
  • Regional Effort for Conjunctive Water Resource Management
  • Groundwater Conservation/Protection
  • New Regulatory Precedent
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