CLASS D WATER EXAM TCEQ UPDATED QUESTIONS AND CORRECT ANSWERS

CLASS D WATER EXAM TCEQ UPDATED
QUESTIONS AND CORRECT ANSWERS

Question:
1. T/F: In Texas, about 75% of all water is used for commercial, industrial, or agricultural purposes.
Answer:
True

Question:
2. Water covers approximately ________ of Earth's surface.
Answer:
71%

Question:
3. Drought is an extended period when a region receives a deficiency in its ________ water supply.
Answer:
atmospheric, ground, or surface

Question:
4. T/F: Only about 1 gallon of tap water per person/day is used for drinking and cooking
Answer:
True

Question:
5. Excluding outside water use, the average household uses about _______ gallons of water per month for
inside use
Answer:
2,000

Question:
6. T/F: Only 3% of all the fresh water on earth can be easily accessed for use.
Answer:
False (only 1%)

Question:
7. T/F: In 1978, the Texas Department of Health (TDH) assumed primacy over the Safe Drinking Water
Act from the EPA.
Answer:
True

Question:
8. T/F: PWS officials should be pro-active in their approach to terrorism.
Answer:
True

,Question:
9. _________ permits the owner of a well to pump as much water as desired, even if the water is drained
from beneath the land of others.
Answer:
Rule of Capture

Question:
10. In Texas, agricultural water demand accounts for about ___% of the total water used.
Answer:
57%

Question:
11. T/F: An example of a non-transient non-community PWS is a rural school.
Answer:
True

Question:
12. Monitoring average and maximum daily water ______ enables us to plan ahead for growth.
Answer:
Demand

Question:
13. T/F: The Safe Drinking Water Act sets standards for drinking water including physical, chemical,
bacteriological, and radiological characteristics.
Answer:
True

Question:
14. "Potable" means water is safe to drink and has a measurable chlorine ________.
Answer:
Residual

Question:
15. The plant operator is responsible for a sufficient supply of safe and ________ drinking water.
Answer:
Palatable

Question:
16. T/F: The Texas State Board of Fire Insurance requires utilities that provide fire protection to have a
minimum amount of water available based on 30 gals per person per day.
Answer:
False (130 gals per person per day)

Question:
17. T/F: The primary state regulator of water utilities is the TCEQ.

, Answer:
True

Question:
18. T/F: All community and non-transient non-community PWS, regardless of source of water, must be
under the supervision of a licensed water works operator.
Answer:
True

Question:
19. Meter readers bring in operating revenue and profoundly impact _____ relations.
Answer:
Public

Question:
20. The federal regulator of drinking water is the _____.
Answer:
EPA

Question:
21. T/F: Duties of distribution operator include repairing leaks, making taps, flushing mains, and taking
radiological samples.
Answer:
False (Repair leaks, Make taps, Flush mains, Operate pumps, Take *bacteriological* samples)

Question:
22. A service area has 1000 service connections. What can we estimate the population of this service area
to be?
Answer:
3,000 (multiply connections x 3)

Question:
23. T/F: The State must be notified after an existing facility is changed or after construction of a new
facility.
Answer:
False (must notify *before*)

Question:
24. T/F: A Class "D" license is valid for 2 years at ground and purchase water systems with 250
connections or less.
Answer:
False (3 years)

Question:
25. T/F: The physical characteristics of water are color, taste, odor, temperature, and turbidity.
Answer:
True