[links]
Some links you might find helpful
Crossroads Utility Services (Travis County MUD #s 11, 12, and 13)
Hurst Creek Municipal Utility District
Lake Travis Regional Hazardous Household Waste Disposal
Lakeway Trash and Recycling Services
LCRA OSSF/Septic System Information
Texas 811 (call before you dig)
Texas Commission on Environmental Quality
Travis Central Appraisal District
Travis County Water Control and Improvements District #17