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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