TCEQ Wastewater License Exam Questions And Answers

TCEQ Wastewater License Exam Questions And Answers What are the steps of the Water Use Cycle? - ANS-Environment --> Water Treatment --> Water Distribution System --> Customer Use --> Wastewater Collection System --> Wastewater Treatment --> Environment What are the benefits of the collection system? - ANS-- Removal of health hazards - Prevention of odors and flies - Cleanliness and appearance - Comfort and convenience Septic vs. Fresh wastewater? - ANS-Septic wastewater doesn't contain dissolved oxygen and is difficult to treat. Fresh wastewater contains dissolved oxygen and is easier to treat, which results in higher quality effluent Inflow - ANS-Surface runoff that enters the collection system Infiltration - ANS-Groundwater that enters the collection system through holes, cracks, etc. What is the average domestic contribution to the collection system? (Per person/day) - ANS-100 gallons per day What are the four wastewater characteristics? - ANS-Physical, Chemical, Bacteriological, and Radiological Domestic wastewater is ___% water and ___% solids - ANS-99.9% water, 0.1% solids Settleable solids - ANS-Suspended solids that will settle when wastewater flow is still or slow moving What is the pH scale range? - ANS-