Class D Water TCEQ Questions and Answers
(100% Correct Answers) Already Graded A+
A non-transient non-community water system (NTNCWS): [
Ans: ] A public system that regularly serves at least 25 of
the same persons more than 6 months of the year
The Hydrologic Cycle: [ Ans: ] The movement of water
between the earth and atmosphere (nature's way of
recycling water)
Casing and cementing: [ Ans: ] Protects a well from
collapses and surface contamination
50 feet of a public well: [ Ans: ] No source of
contamination shall be within
Pretreatment disinfection, taste and odor control,
coagulation, sedimentation, filtration, covered storage,
terminal disinfection [ Ans: ] Treatment required by TCEQ
for all surface water:
Aeration. screening, chemical oxidation, coagulation,
flocculation, sedimentation, filtration, and disinfection [
Ans: ] Treatment may include:
Chloramines, disinfectants weaker than free chlorine, but
less reactive and longer lasting [ Ans: ] Chlorine and
Ammonia produce:
(100% Correct Answers) Already Graded A+
A non-transient non-community water system (NTNCWS): [
Ans: ] A public system that regularly serves at least 25 of
the same persons more than 6 months of the year
The Hydrologic Cycle: [ Ans: ] The movement of water
between the earth and atmosphere (nature's way of
recycling water)
Casing and cementing: [ Ans: ] Protects a well from
collapses and surface contamination
50 feet of a public well: [ Ans: ] No source of
contamination shall be within
Pretreatment disinfection, taste and odor control,
coagulation, sedimentation, filtration, covered storage,
terminal disinfection [ Ans: ] Treatment required by TCEQ
for all surface water:
Aeration. screening, chemical oxidation, coagulation,
flocculation, sedimentation, filtration, and disinfection [
Ans: ] Treatment may include:
Chloramines, disinfectants weaker than free chlorine, but
less reactive and longer lasting [ Ans: ] Chlorine and
Ammonia produce:
