Exam
T/F: In Texas, about 75% of all water is used for commercial, industrial, or
agricultural purposes.
(Ans- True
Water covers approximately ________ of Earth's surface.
(Ans- 71%
Drought is an extended period when a region receives a deficiency in its
________ water supply.
(Ans- atmospheric, ground, or surface
T/F: Only about 1 gallon of tap water per person/day is used for drinking
and cooking
(Ans- True
Excluding outside water use, the average household uses about _______
gallons of water per month for inside use
(Ans- 2,000
T/F: Only 3% of all the fresh water on earth can be easily accessed for use.
(Ans- False (only 1%)
T/F: In 1978, the Texas Department of Health (TDH) assumed primacy
over the Safe Drinking Water Act from the EPA.
(Ans- True
T/F: PWS officials should be pro-active in their approach to terrorism.
(Ans- True
,_________ 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.
(Ans- Rule of Capture
In Texas, agricultural water demand accounts for about ___% of the total
water used.
(Ans- 57%
T/F: An example of a non-transient non-community PWS is a rural school.
(Ans- True
Monitoring average and maximum daily water ______ enables us to plan
ahead for growth.
(Ans- Demand
T/F: The Safe Drinking Water Act sets standards for drinking water
including physical, chemical, bacteriological, and radiological
characteristics.
(Ans- True
"Potable" means water is safe to drink and has a measurable chlorine
________.
(Ans- Residual
The plant operator is responsible for a sufficient supply of safe and
________ drinking water.
(Ans- Palatable
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.
(Ans- False (130 gals per person per day)
T/F: The primary state regulator of water utilities is the TCEQ.
(Ans- True
, 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.
(Ans- True
Meter readers bring in operating revenue and profoundly impact _____
relations.
(Ans- Public
The federal regulator of drinking water is the _____.
(Ans- EPA
T/F: Duties of distribution operator include repairing leaks, making taps,
flushing mains, and taking radiological samples.
(Ans- False (Repair leaks, Make taps, Flush mains, Operate pumps, Take
*bacteriological* samples)
A service area has 1000 service connections. What can we estimate the
population of this service area to be?
(Ans- 3,000 (multiply connections x 3)
T/F: The State must be notified after an existing facility is changed or after
construction of a new facility.
(Ans- False (must notify *before*)
T/F: A Class "D" license is valid for 2 years at ground and purchase water
systems with 250 connections or less.
(Ans- False (3 years)
T/F: The physical characteristics of water are color, taste, odor,
temperature, and turbidity.
(Ans- True