Wastewater Collection Exit Exam
100 - answers✔✔What is the average per day per person put into the wastewater collection system
99.9% - answers✔✔what percent of wastewater is water
in the absence of oxygen - answers✔✔anaerobic bacteria can live
0 - answers✔✔what is the average pounds BOD per person per day put into the collection system
24 hours - answers✔✔when an accidental discharge occurs, the entity responsible for that system has
to report the discharge to the TCEQ within
TCEQ - answers✔✔before a system can start a new construction project in Texas, they are required to
have approval of plans by
10,000 - answers✔✔every city with a population more than____ shall establish a water pollution
control program
3-5 ft/sec - answers✔✔What is the recommended velocity for gravity sewer
outfall line - answers✔✔the pipe that carries the wastewater to the treatment plant is called the
carry sewer under a stream - answers✔✔an invert siphon would be used to
5 feet - answers✔✔shoring, sloping or a trench box are required if an excavation is deeper than___feet
6 inches - answers✔✔how deep should the bedding be under a 16 inch pipe
100 - answers✔✔What is the average per day per person put into the wastewater collection system
99.9% - answers✔✔what percent of wastewater is water
in the absence of oxygen - answers✔✔anaerobic bacteria can live
0 - answers✔✔what is the average pounds BOD per person per day put into the collection system
24 hours - answers✔✔when an accidental discharge occurs, the entity responsible for that system has
to report the discharge to the TCEQ within
TCEQ - answers✔✔before a system can start a new construction project in Texas, they are required to
have approval of plans by
10,000 - answers✔✔every city with a population more than____ shall establish a water pollution
control program
3-5 ft/sec - answers✔✔What is the recommended velocity for gravity sewer
outfall line - answers✔✔the pipe that carries the wastewater to the treatment plant is called the
carry sewer under a stream - answers✔✔an invert siphon would be used to
5 feet - answers✔✔shoring, sloping or a trench box are required if an excavation is deeper than___feet
6 inches - answers✔✔how deep should the bedding be under a 16 inch pipe
