TX Class C Wastewater Treatment License
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Preliminary Treatment - (ANSWER)the 1st stage of sewage treatment where
large debris, such as sticks, grit, and rags pas through a screen followed by a grit
chamber, where the flow of water is slowed enough to allow for sedimentation.
What stage of treatment is grit removal usually accomplished in? -
(ANSWER)preliminary treatment
Rotating Biological Contactor - (ANSWER)a type of biological secondary
treatment process
How are protozoa (cause of amoebic dysentery) destroyed? -
(ANSWER)disinfection
Other than stream discharge, what are other ways to dispose of effluent
wastewater? - (ANSWER)aquifer recharge, evaporation in a pond, and application
to farm land by irrigation
Clean Water Act - (ANSWER)gives the basic structure for regulating discharges of
pollutants into the waters of the United States
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Texas Water Code - (ANSWER)gives the TCEQ jurisdiction over discharges of
waste into or adjacent to water in the state
Who reviews plans and specifications for new construction projects before
construction begins? - (ANSWER)TCEQ
Water quality fees may be as high as ____________ per permit? -
(ANSWER)$115,000
Administrative penalties, up to __________ per day for each violation, may be
assessed against any violator. - (ANSWER)$25,000
Every city with more than ________ in population needs to establish a water
pollution control program and hire qualified personnel to administer it. -
(ANSWER)10,000
State law requires that reports are to be submitted no later than the ________th
day of the following month. - (ANSWER)20
What are major surface waters classified as for the purposes of water quality
management and designation of site-specific standards? - (ANSWER)segments
Inflow - (ANSWER)direct discharges of storm water or surface water into a
wastewater collection system (storm drains, roof gutters, yard drains, basement
sump pumps and broken manholes and wastewater lines).
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How many gallons per day will each person contribute to the wastewater
treatment plant? - (ANSWER)100
How much BOD will each person contribute to the wastewater treatment plant
each day? - (ANSWER)0.17
Cause of septic wastewater - (ANSWER)bacterial action
Classifications of solids in wastewater - (ANSWER)fixed/ash,
suspended/dissolved, organic/inorganic
Organic compounds in wastewater include - (ANSWER)carbon, hydrogen and
oxygen (animal and vegetable in nature)
Type of organic matter present in wastewater - (ANSWER)proteins
BOD is a measure of what? - (ANSWER)oxygen used up
Ways that oxygen can be depleted in streams - (ANSWER)untreated waste
discharges, algae masses at night, and high BOD in the effluent
A gas found in treatment systems that is NOT dangerous - (ANSWER)dissolved
oxygen