Reference Sites
- City of El Paso
- El Paso Water Utilities
- County of El Paso
- Texas Department of Transportation
- Texas Society of Professional Engineers
- Texas Board of Professional Engineers
- Texas Board of Professional Land Surveyors
- New Mexico Society of Professional Engineers
- New Mexico Professional Surveyors
- New Mexico Board of Surveyors & Engineers
- Society of Mexican American Engineers and Scientists
- American Society of Civil Engineers
- Texas Water Development Board
- American Water Works Association
- Engineering News Record
- Water Environment Federation
- Urban Land Institute
- American Planning Association