- Texas
- Puebla
- Laredo, Texas
- Nuevo León
- San Luis Potosí
- Lower Rio Grande Valley
- Nuevo Laredo, Mexico
- Harlingen, Texas
- McAllen, Texas
- Matamoros, Mexico
- Tequila, Mexico
- Actopan, Mexico
- Tamuín, Mexico
- Laredo–Nuevo Laredo
- Ciudad Mier
- Mercedes, Texas
- Roma, Texas
- Nuevo Laredo Municipality, Mexico
- Webb County, Texas
- Urban water management in Monterrey, Mexico
- Atlacomulco, Mexico
- Brownsville–Matamoros
- Cadereyta Jiménez, Mexico
- Anáhuac Municipality, Mexico
- Gómez Farías Municipality
- Colombia
- Reynosa–McAllen
- Pueblo Viejo Municipality, Mexico
- Pánuco Municipality, Mexico
- Doctor Arroyo, Mexico
- Ciudad Miguel Alemán, Mexico
- Mier y Noriega, Mexico
- Linares, Mexico
- Falcon Heights, Texas
- Iturbide, Mexico