Hydrostatic Test Water: What Texas Developers and Contractors Need to Know Before Discharge

The water that filled your pipeline during pressure testing does not have the same regulatory status as rain falling off a roof. Before it leaves the site, someone needs to have answered the question of where it is going and under what authorization it is being discharged. Most project teams that discover this question on the day of testing are discovering it too late.
Private Wastewater Treatment Plants in Texas: When Developers Need Their Own TPDES Permit

Texas has over 771 active domestic wastewater permits for privately owned treatment systems. That number exists because Texas keeps growing into land that municipal sewer systems have not reached, cannot serve at reasonable cost, or simply do not have capacity to accept. When public sewer is not a realistic option, private wastewater treatment is not unusual. It is how Texas development gets done.