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New River Improvement Project
Strategic Plan - Project Status
California Regional Water Quality Control Board - Colorado River Basin
Jose L. Angel, Executive Officer, P.E.
Background
AB 1079 (Pub. Resources Code Section 71103.5) required the Strategic Plan
CalEPA appoints Technical Advisory Committee California-Mexico Border Relations Council releases
Strategic Plan Dec. 2011 Plan envision River Parkway in Calexico Plan’s remedies/strategies
Structural Non-structural
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• Mexico (SIDUE)
Secretary Rodriquez
Assistant Secretaty Mataka
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New River in Calexico
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River Parkway
Key Components* River Reaches* Structural Controls* Non-structural Controls
Strategic Plan
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Non-structural Recommendations
Implement Total Maximum Daily Loads Ongoing
Implement comprehensive regulatory program for ag runoff Conditional Waiver of WDRs adopted in 1/2015
Address feedlots in the floodplain Audited all 31 feedlots in Imperial Valley 16 formal enforcement actions, $60k fine
Integrated water quality monitoring
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New River Projects in USA
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Project Location Projected Cost
O&M Costs/ year
Trash Screen Calexico, immediately downstream of US-Mexico Border
$4,000,000 $100,000
New River Conveyance System
Calexico, from the Border to approximately City of Calexico WWTP
$17,000,000 $50,000
New River Disinfection Facility
Calexico, at or near City of Calexico WWTP
$86,400,000 $4,500,000
New River Aeration structures
Various locations, downstream from Calexico
$250,000 <$10,000
Constructed wetlands (11 sites, totaling 1523 acres)
Various locations, downstream from Seeley
$50,000/ acre $20,000/ acre
TOTAL $183,950,000 $35,120,000
Previous Recommendations for Calexico
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Conveyance
DisinfectionPlant
TrashScreen
River Parkway
Implementation Constraints
Fiduciary Price tag for disinfection facility $86M, plus $4.5M in
annual O&M $220M over 30-years
Hydrological Rapid decline in flows at the Border
2014 flows average 106 cfs (57 mgd = 76,600 AFY)
Policy Alternatives exist to address public health and
maximize environmental benefit (i.e., bang for the buck)
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Revised Recommendations
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TrashScreen
River ParkwayCalexico WWTP
Pump-back system
Conveyance
To wetlands, aeration structures
Revised Recommendations
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Project Location Projected Cost
O&M Costs/ year
Trash Screen Calexico, immediately downstream of US-Mexico Border
$4,000,000 $100,000
New River Conveyance System
Calexico, from the Border to approximately City of Calexico WWTP
$17,000,000 $50,000
Calexico WWTP Pump-back system
City of Calexico WWTP $1,100,000 $10,000
New River Aeration structures
Various locations, downstream from Calexico
$250,000 <$10,000
Constructed wetlands (11 sites, totaling 1523 acres)
Various locations, downstream from Seeley
$50,000/acre $20,000/acre
TOTAL $98,650,000 $30,720,000
Project Phases
Phase 1 (est. cost $1.2M) Design
Trash screen Culvert Pump-back system
Environmental documentation
Phase 2 (est. cost $18M) Construction
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Since 2/1/16 Council Meeting…
Who can design or assist with design of infrastructure and environmental documentation? Consultation meetings IID, Border Patrol/Homeland Security, Calexico, DWR
How to pay for design, environmental work? 2016-2017 Budget Trailer Bill Appropriates $1.4M for Phase 1
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Potential Funding Sources
Prop 1 USA CMBRC funding Supplemental Environmental Project
funds State in-kind services
DTSC Regional Water Board State Water Board
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Next Steps
Finalize and submit Prop 1 App Finalize Grant Agreement
GO’s coordinating with Feds CalEPA, Water Boards
Consultation, Project Oversight/management
Finalize Design Contracts/Agreements Work can begin upon commitment and
execution of Funding, Grant Agreements
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