WATER OPERATOR CLASS D EXAM STUDY GUIDE QUESTIONS
WITH COMPLETE SOLUTIONS
1) A Class D Water Operator License is valid for how long? -- Answer ✔✔ 2 years
2) In the case of an Acute Violation, the public should be notified within this amount of
time -- Answer ✔✔ 72 hours
3) In the case of an Acute Violation, the public should be notified by these two types of
media -- Answer ✔✔ Radio & TV
4) In the case of an Acute Violation, the notification must include the words -- Answer
✔✔ "Serious Health Concern"
5) Non-Acute Violation Notification Procedure -- Answer ✔✔ Notify the public within
14 days
6) In the case of a Non-Acute Violation, the public should be notified by these two
types of media -- Answer ✔✔ Mail or Newspaper
,7) In the case of a Non-Acute Violation, the notification must include the words --
Answer ✔✔ "Possible Health Concern"
8) TCEQ Special Precautions are required when the system experiences: (4 items) --
Answer ✔✔ low distribution pressure; Water outages; Repeated unacceptable
microbiological samples; Failure to maintain adequate chlorine residuals
9) Chlorination is the most important process in -- Answer ✔✔ the production of
potable water
10) In Texas all public water systems must have -- Answer ✔✔ Chlorination facilities
11) Low distribution levels occur when the pressure drops below: -- Answer ✔✔ 20 psi
12) Disinfectant Residual must be in the water when the water is (where - 2) -- Answer
✔✔ in storage; being transported through the system
13) To be effective in drinking water chlorine must be -- Answer ✔✔ in it at all times
14) The primary purpose of the Water Utility Industry -- Answer ✔✔ The production
and delivery of safe drinking water to consumers
15) Those who work in the public water industry have a responsibility to meet standards
created by these types of government entities. -- Answer ✔✔ Federal and State
,16) basic federal and state standards state that Water must be: -- Answer ✔✔
disinfected, delivered at adequate pressure, and be ample in quantity.
17) Employees should guard what -- Answer ✔✔ the water supply and facilities
18) Employees should guard the water supply and facilities from these three things. --
Answer ✔✔ contamination, vandalism and terrorism
19) Bacteriological analysis records are kept for -- Answer ✔✔ 5 years
20) Chemical analysis records are kept for -- Answer ✔✔ 10 years
21) Records about action taken to correct violations of primary drinking water
regulations are kept for -- Answer ✔✔ 3 years after last action taken
22) Written documentation relating to sanitary surveys conducted are kept for --
Answer ✔✔ 10 years after the survey is completed
23) Documentation of a variance or exemption granted is kept for -- Answer ✔✔ 5
years after its expiration
24) Results of required tests, measurements or analysis must be reported -- Answer ✔✔
within 10 days following its completion
, 25) A copy of Consumer Confidence reports (EPA Required)must be kept for -- Answer
✔✔ 5 years
26) Administers water operator licensing -- Answer ✔✔ TCEQ
27) TCEQ -- Answer ✔✔ Texas Commission on Environmental Quality
28) Description of a public water system -- Answer ✔✔ Regularly serves at least 25
individuals daily at least 60 days out of the year.Services at least 15 service
connections.
29) MUDs -- Answer ✔✔ Municipal Utility Districts
30) Water is essential to -- Answer ✔✔ Life and health
31) Customers are entitled to -- Answer ✔✔ courteous treatment & answers to
questions about water
32) This type of public system is not required to compile monthly reports -- Answer ✔✔
systems that serve less than 100 connections OR purchase treated water
WITH COMPLETE SOLUTIONS
1) A Class D Water Operator License is valid for how long? -- Answer ✔✔ 2 years
2) In the case of an Acute Violation, the public should be notified within this amount of
time -- Answer ✔✔ 72 hours
3) In the case of an Acute Violation, the public should be notified by these two types of
media -- Answer ✔✔ Radio & TV
4) In the case of an Acute Violation, the notification must include the words -- Answer
✔✔ "Serious Health Concern"
5) Non-Acute Violation Notification Procedure -- Answer ✔✔ Notify the public within
14 days
6) In the case of a Non-Acute Violation, the public should be notified by these two
types of media -- Answer ✔✔ Mail or Newspaper
,7) In the case of a Non-Acute Violation, the notification must include the words --
Answer ✔✔ "Possible Health Concern"
8) TCEQ Special Precautions are required when the system experiences: (4 items) --
Answer ✔✔ low distribution pressure; Water outages; Repeated unacceptable
microbiological samples; Failure to maintain adequate chlorine residuals
9) Chlorination is the most important process in -- Answer ✔✔ the production of
potable water
10) In Texas all public water systems must have -- Answer ✔✔ Chlorination facilities
11) Low distribution levels occur when the pressure drops below: -- Answer ✔✔ 20 psi
12) Disinfectant Residual must be in the water when the water is (where - 2) -- Answer
✔✔ in storage; being transported through the system
13) To be effective in drinking water chlorine must be -- Answer ✔✔ in it at all times
14) The primary purpose of the Water Utility Industry -- Answer ✔✔ The production
and delivery of safe drinking water to consumers
15) Those who work in the public water industry have a responsibility to meet standards
created by these types of government entities. -- Answer ✔✔ Federal and State
,16) basic federal and state standards state that Water must be: -- Answer ✔✔
disinfected, delivered at adequate pressure, and be ample in quantity.
17) Employees should guard what -- Answer ✔✔ the water supply and facilities
18) Employees should guard the water supply and facilities from these three things. --
Answer ✔✔ contamination, vandalism and terrorism
19) Bacteriological analysis records are kept for -- Answer ✔✔ 5 years
20) Chemical analysis records are kept for -- Answer ✔✔ 10 years
21) Records about action taken to correct violations of primary drinking water
regulations are kept for -- Answer ✔✔ 3 years after last action taken
22) Written documentation relating to sanitary surveys conducted are kept for --
Answer ✔✔ 10 years after the survey is completed
23) Documentation of a variance or exemption granted is kept for -- Answer ✔✔ 5
years after its expiration
24) Results of required tests, measurements or analysis must be reported -- Answer ✔✔
within 10 days following its completion
, 25) A copy of Consumer Confidence reports (EPA Required)must be kept for -- Answer
✔✔ 5 years
26) Administers water operator licensing -- Answer ✔✔ TCEQ
27) TCEQ -- Answer ✔✔ Texas Commission on Environmental Quality
28) Description of a public water system -- Answer ✔✔ Regularly serves at least 25
individuals daily at least 60 days out of the year.Services at least 15 service
connections.
29) MUDs -- Answer ✔✔ Municipal Utility Districts
30) Water is essential to -- Answer ✔✔ Life and health
31) Customers are entitled to -- Answer ✔✔ courteous treatment & answers to
questions about water
32) This type of public system is not required to compile monthly reports -- Answer ✔✔
systems that serve less than 100 connections OR purchase treated water
