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U.S.-Mexico Border Water Infrastructure Grant Program - Public Environmental Documents

Environmental review documents associated with U.S.-Mexico Border water infrastructure grant projects.

Border Projects in the United States

Arizona

  • Douglas - Wastewater Treatment Plant Upgrade and Bay Acres Colonia Wastewater Collection System Expansion (pdf) (1.19 MB, January 7, 2014)
  • Douglas - Categorical Exclusion for Bay Acres Wastewater Collection System Expansion and Wastewater Treatment Plant Improvements (pdf) (809.01 KB, February 2, 2016)
  • Douglas - Finding of No Significant Impact for Wastewater Collection and Treatment (pdf) (106.46 KB, February 28, 2014)
  • Wilcox - Categorical Exclusion for Wastewater Treatment Plant Improvements (pdf) (166.5 KB, August 7, 2014)
  • Wilcox - Finding of No Significant Impact for Wastewater Treatment Plant Improvements (pdf) (71.4 KB, July 3, 2012)

California

  • Holtville - Categorical Exclusion for Wastewater Treatment Plant Improvements (pdf) (101.31 KB, January 4, 2013)
  • Niland - Categorical Exclusion for Wastewater Treatment Plant Improvements (pdf) (76.9 KB, June 7, 2013)

New Mexico

  • New Mexico Colonias - Categorical Exclusion for Wastewater Treatment System Rehabilitation (pdf) (1.12 MB, August 29, 2019)
  • Doña Ana County - Wastewater Infrastructure Construction Project (pdf) (4.53 MB, January 8, 2014)

Texas

  • Hillcrest Estates and Hillcrest Center, El Paso County - Categorical Exclusion for First-Time Water Service (pdf) (495.83 KB, November 26, 2019)
  • Vinton, EL Paso County - Water Distribution Project (pdf) (757.94 KB, March 22, 2018)
  • Vinton, EL Paso County - Wastewater Collection Project (pdf) (739.85 KB, April 23, 2018)
  • City and Las Palmas Colonia, Presidio County - Drinking Water Infrastructure Construction Project (pdf) (1.17 MB, May 9, 2017)
  • Marathon, Brewster County - Wastewater Infrastructure Construction Project (pdf) (1009.43 KB, February 16, 2016)

Border Projects in Mexico

Baja California

  • Mexicali - Rehabilitation of Wastewater Collection Main Lines Mexicali I Phase II System (pdf) (667.93 KB, December 12, 2019)
  • Mexicali - Rehabilitation of Wastewater Lift Stations Force Mains (pdf) (669.87 KB, December 12, 2019)
  • Tijuana- Environmental Assessment for Rehabilitation of Tijuana River Diversion System (pdf) (1.17 MB)
  • Tijuana- Finding of No Significant Impact for Rehabilitation of Tijuana River Diversion System (pdf) (163.17 KB)

Chihuahua

  • Ojinaga - Categorical Exclusion for Wastewater Collection Improvements (pdf) (537.73 KB, September 17, 2019)
  • Loma Blanca - Wastewater Collection and Potable Water Distribution Project (pdf) (1.23 MB, October 26, 2012)

Sonora

  • Naco – Environmental Assessment for Wastewater Collection and Treatment System Rehabilitation Project (pdf) (1.48 MB)
  • Naco – Finding of No Significant Impact for Wastewater Collection and Treatment System Rehabilitation Project (pdf) (345.77 KB)
  • Nogales - Expansion of Drinking Water Distribution and Wastewater Collection Services to Colonia Luis Donaldo Colosio and Surrounding Areas (pdf) (82.18 KB, September 19, 2013)

Tamaulipas

  • Gustavo Diaz Ordaz - Wastewater Collection and Treatment Project (pdf) (870.62 KB, October 13, 2017)
  • Camargo – Wastewater Collection Project (pdf) (591.91 KB, November 13, 2013)
  • Nueva Ciudad Guerrero – Wastewater Collection and Treatment Project (pdf) (1.11 MB, July 29, 2016)
  • Reynosa - Wastewater Collection Project (pdf) (305.88 KB, June 3, 2014)

Small and Rural Wastewater Systems

  • About Small Systems
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Contact Us About Small and Rural Wastewater Systems
Contact Us About Small and Rural Wastewater Systems to ask a question, provide feedback, or report a problem.
Last updated on January 10, 2025
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