CLASS D WATER OPERATOR
LICENSE EXAM TCEQ
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
An-alkaline-or-basic-solution-has-a-pH-greater-than-____.---ans-✔✔7
T/F:-The-terms-mg/L-and-ppm-are-not-interchangeable.---ans-✔✔False-(they-are-
interchangeable)
Suspended-solids-in-water-cannot-be-filtered-out.---ans-✔✔False-(they-can)
LICENSE EXAM TCEQ
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
An-alkaline-or-basic-solution-has-a-pH-greater-than-____.---ans-✔✔7
T/F:-The-terms-mg/L-and-ppm-are-not-interchangeable.---ans-✔✔False-(they-are-
interchangeable)
Suspended-solids-in-water-cannot-be-filtered-out.---ans-✔✔False-(they-can)
