The Tarrant County Transportation Department regulates On-Site Sewerage Facilities (OSSF) in the unincorporated areas of Tarrant County as well as the following cities:
 
  • Azle
  • Bedford
  • Benbrook
  • Colleyville
  • Crowley
  • Forest Hill
  • Grapevine
  • Haltom City
  • Haslet
  • Hurst
  • Keller
  • Kennedale
  • Lakeside
  • Mansfield
  • North Richland Hills
  • Richland Hills
  • Southlake
  • Watauga
  • Westlake
  • Westover Hills
  • Westworth Village

 

We do NOT regulate establishments in the following unincorporated areas:

  • City of Fort Worth lake lease property; or
  • Within 2,000 of Eagle Mountain Lake