Water Operator Class D Study Guide
Exam Question & Answers ( Latest
2025 )
The primary purpose of the Water Utility Industry -
CORRECT ANSWERS ✅✅The production and delivery
of safe drinking water to consumers
Those who work in the public water industry have a
responsibility to meet standards created by these types
of government entities. - CORRECT ANSWERS
✅✅Federal and State
basic federal and state standards state that Water must
be: - CORRECT ANSWERS ✅✅disinfected, delivered
at adequate pressure, and be ample in quantity.
Employees should guard what - CORRECT ANSWERS
✅✅the water supply and facilities
Employees should guard the water supply and facilities
from these three things. - CORRECT ANSWERS
✅✅contamination, vandalism and terrorism
Bacteriological analysis records are kept for - CORRECT
ANSWERS ✅✅5 years
,Water Operator Class D Study Guide
Exam Question & Answers ( Latest
2025 )
Chemical analysis records are kept for - CORRECT
ANSWERS ✅✅10 years
Records about action taken to correct violations of
primary drinking water regulations are kept for -
CORRECT ANSWERS ✅✅3 years after last action
taken
Written documentation relating to sanitary surveys
conducted are kept for - CORRECT ANSWERS ✅✅10
years after the survey is completed
Documentation of a variance or exemption granted is
kept for - CORRECT ANSWERS ✅✅5 years after its
expiration
Results of required tests, measurements or analysis must
be reported - CORRECT ANSWERS ✅✅within 10 days
following its completion
A copy of Consumer Confidence reports (EPA
Required)must be kept for - CORRECT ANSWERS
✅✅5 years
,Water Operator Class D Study Guide
Exam Question & Answers ( Latest
2025 )
Administers water operator licensing - CORRECT
ANSWERS ✅✅TCEQ
TCEQ - CORRECT ANSWERS ✅✅Texas Commission
on Environmental Quality
Description of a public water system - CORRECT
ANSWERS ✅✅Regularly serves at least 25 individuals
daily at least 60 days out of the year.Services at least 15
service connections.
MUDs - CORRECT ANSWERS ✅✅Municipal Utility
Districts
Water is essential to - CORRECT ANSWERS ✅✅Life
and health
Customers are entitled to - CORRECT ANSWERS
✅✅courteous treatment & answers to questions about
water
, Water Operator Class D Study Guide
Exam Question & Answers ( Latest
2025 )
This type of public system is not required to compile
monthly reports - CORRECT ANSWERS ✅✅systems
that serve less than 100 connections OR purchase treated
water
Job training for water utility operators is available through
these 3 organizations - CORRECT ANSWERS
✅✅American Water Works Association, Texas
Engineering Extension Service, Texas Water Utilities
Association
All public water systems are required to employ certified
operators even if the system only - CORRECT ANSWERS
✅✅redistributes treated water bought from another
source
cities, municipal utility districts,rural water supply
corporations mobile home parks, campgrounds are
examples of: - CORRECT ANSWERS ✅✅Public Water
Systems
Examples of community water systems - CORRECT
ANSWERS ✅✅cities, municipal utility districts,rural
Exam Question & Answers ( Latest
2025 )
The primary purpose of the Water Utility Industry -
CORRECT ANSWERS ✅✅The production and delivery
of safe drinking water to consumers
Those who work in the public water industry have a
responsibility to meet standards created by these types
of government entities. - CORRECT ANSWERS
✅✅Federal and State
basic federal and state standards state that Water must
be: - CORRECT ANSWERS ✅✅disinfected, delivered
at adequate pressure, and be ample in quantity.
Employees should guard what - CORRECT ANSWERS
✅✅the water supply and facilities
Employees should guard the water supply and facilities
from these three things. - CORRECT ANSWERS
✅✅contamination, vandalism and terrorism
Bacteriological analysis records are kept for - CORRECT
ANSWERS ✅✅5 years
,Water Operator Class D Study Guide
Exam Question & Answers ( Latest
2025 )
Chemical analysis records are kept for - CORRECT
ANSWERS ✅✅10 years
Records about action taken to correct violations of
primary drinking water regulations are kept for -
CORRECT ANSWERS ✅✅3 years after last action
taken
Written documentation relating to sanitary surveys
conducted are kept for - CORRECT ANSWERS ✅✅10
years after the survey is completed
Documentation of a variance or exemption granted is
kept for - CORRECT ANSWERS ✅✅5 years after its
expiration
Results of required tests, measurements or analysis must
be reported - CORRECT ANSWERS ✅✅within 10 days
following its completion
A copy of Consumer Confidence reports (EPA
Required)must be kept for - CORRECT ANSWERS
✅✅5 years
,Water Operator Class D Study Guide
Exam Question & Answers ( Latest
2025 )
Administers water operator licensing - CORRECT
ANSWERS ✅✅TCEQ
TCEQ - CORRECT ANSWERS ✅✅Texas Commission
on Environmental Quality
Description of a public water system - CORRECT
ANSWERS ✅✅Regularly serves at least 25 individuals
daily at least 60 days out of the year.Services at least 15
service connections.
MUDs - CORRECT ANSWERS ✅✅Municipal Utility
Districts
Water is essential to - CORRECT ANSWERS ✅✅Life
and health
Customers are entitled to - CORRECT ANSWERS
✅✅courteous treatment & answers to questions about
water
, Water Operator Class D Study Guide
Exam Question & Answers ( Latest
2025 )
This type of public system is not required to compile
monthly reports - CORRECT ANSWERS ✅✅systems
that serve less than 100 connections OR purchase treated
water
Job training for water utility operators is available through
these 3 organizations - CORRECT ANSWERS
✅✅American Water Works Association, Texas
Engineering Extension Service, Texas Water Utilities
Association
All public water systems are required to employ certified
operators even if the system only - CORRECT ANSWERS
✅✅redistributes treated water bought from another
source
cities, municipal utility districts,rural water supply
corporations mobile home parks, campgrounds are
examples of: - CORRECT ANSWERS ✅✅Public Water
Systems
Examples of community water systems - CORRECT
ANSWERS ✅✅cities, municipal utility districts,rural
