TCEQ CLASS D WATER OPERATORS
LICENSE
Water-Covers-_______-of-the-earth's-Surface---ans-✔✔75%
Humans-can-only-live-________-days-without-water---ans-✔✔4-5-Days
Maximum-Daily-Demand-can-be-determined---ans-✔✔From-monthly-operating-reports-or-
by-multiplying-2.4-times-the-average-daily-demand-on-the-system.
130---ans-✔✔Utilities-that-provide-fire-protection-have-to-have-a-minimum-of-____-
Gallons-per-person-per-day
75%---ans-✔✔Commercial,-Industrial,-and-Agricultural-Use-makes-up-_____-%-in-Texas
57%---ans-✔✔Agricultural-use-accounts-for-_____%-of-total-water-consumed-in-Texas
97%---ans-✔✔_____%-of-the-total-volume-of-water-available-is-saltwater
1%---ans-✔✔3%-of-total-volume-of-water-available-is-considered-fresh-water.-2%-is-
locked-in-polar-icecaps-and-glaciers.-____%-of-all-water-on-earth-is-accessible-fresh-
water.
Electrodialysis-Reversal-(EDR)---ans-✔✔Electrochemical-separation-process-in-which-
saline-water-passes-through-alternately-placed-cations-and-anion-membranes.
reverse-osmosis---ans-✔✔A-desalinization-process-that-involves-forcing-salt-water-
through-a-membrane-permeable-to-water-but-not-to-salt
2000---ans-✔✔Excluding-outside-use,-the-average-household-uses-about-_____-gallons-
of-water-per-month-on-inside-use
True---ans-✔✔True-or-False:-only-about-1-gallon-of-tap-water-per-person/day-is-used-for-
drinking-and-cooking
demand---ans-✔✔Monitoring-average-and-maximum-daily-water-_____-enables-us-to-
plan-ahead-for-growth.
LICENSE
Water-Covers-_______-of-the-earth's-Surface---ans-✔✔75%
Humans-can-only-live-________-days-without-water---ans-✔✔4-5-Days
Maximum-Daily-Demand-can-be-determined---ans-✔✔From-monthly-operating-reports-or-
by-multiplying-2.4-times-the-average-daily-demand-on-the-system.
130---ans-✔✔Utilities-that-provide-fire-protection-have-to-have-a-minimum-of-____-
Gallons-per-person-per-day
75%---ans-✔✔Commercial,-Industrial,-and-Agricultural-Use-makes-up-_____-%-in-Texas
57%---ans-✔✔Agricultural-use-accounts-for-_____%-of-total-water-consumed-in-Texas
97%---ans-✔✔_____%-of-the-total-volume-of-water-available-is-saltwater
1%---ans-✔✔3%-of-total-volume-of-water-available-is-considered-fresh-water.-2%-is-
locked-in-polar-icecaps-and-glaciers.-____%-of-all-water-on-earth-is-accessible-fresh-
water.
Electrodialysis-Reversal-(EDR)---ans-✔✔Electrochemical-separation-process-in-which-
saline-water-passes-through-alternately-placed-cations-and-anion-membranes.
reverse-osmosis---ans-✔✔A-desalinization-process-that-involves-forcing-salt-water-
through-a-membrane-permeable-to-water-but-not-to-salt
2000---ans-✔✔Excluding-outside-use,-the-average-household-uses-about-_____-gallons-
of-water-per-month-on-inside-use
True---ans-✔✔True-or-False:-only-about-1-gallon-of-tap-water-per-person/day-is-used-for-
drinking-and-cooking
demand---ans-✔✔Monitoring-average-and-maximum-daily-water-_____-enables-us-to-
plan-ahead-for-growth.
