Texas Water Backbone

Drought-proof water infrastructure for Texas’s future


The Problem

MetricValue
Texas population by 207055+ million
Water supply gap by 207011 million AF/year
Annual economic damage without action$153 billion
Marvin Nichols land destruction66,000 acres
Marvin Nichols first water2050+ (uncertain)

The Solution

SpecificationValue
Pipeline length420 miles (Gulf Coast to DFW)
Pipeline diameter96 inches (dual)
Design capacity500,000 AF/year
ASR buffer storage360,000 AF
Capital cost$8.6–11.15 billion
First water delivery2032–2035

Regions Served

  • Houston Metro
  • San Antonio (SAWS)
  • Austin
  • Dallas-Fort Worth

Funding

SourceAmount
Texas Water Fund$6–8 billion
Federal WIFIA loansUp to $5 billion
Private investment$2–3 billion

Key Benefits

Drought-proof — Ocean water doesn’t depend on rainfall ✓ No land destruction — Zero acres flooded ✓ Multi-region — Serves 4 metros, not just DFW ✓ Revenue-generating — Brine, fiber, transmission income ✓ Faster — Decades ahead of reservoir alternatives


Operating Entity

Texas Backbone Authority (TBA)

  • 9-member board (Governor, Lt. Governor, Speaker appointees)
  • Independent state agency
  • Cost-plus pricing model
  • Municipal wholesale rate: ~$1,400/AF

The Ask

  1. Pass enabling legislation (89th Legislature)
  2. Authorize Texas Water Fund allocation
  3. Incorporate into state water planning

Contact: info@texaswaterbackbone.org | Web: texaswaterbackbone.org

Texas Water Backbone Project • January 2026

texaswaterbackbone.org