7/28/26, 11:55 AM Level 1 water distribution practice test EXAM 2026 TEST!! Graded A+ | 2025|2026 EXAM UPDATE EXAM Questions with 100% C…
Level 1 water distribution practice test EXAM 2026
TEST!! Graded A+ | 2025|2026 EXAM UPDATE EXAM
Questions with 100% Correct Answers | Verified
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Terms in this set (69)
What are the minimum and maximum 0.2 mg/L and 4 mg/L of free chlorine
chloride residual levels in a water
distribution system?
What is the maximum allowable 10 mg/L
concentration of nitrate when tested
yearly for a groundwater treatment
plant?
How is the minimum number of total Based on the population served by the system
coliform samples collected per month
determined?
https://quizlet.com/1196822461/level-1-water-distribution-practice-test-exam-2026-test-graded-a-20252026-exam-update-exam-questions-with-100-cor… 1/8
, 7/28/26, 11:55 AM Level 1 water distribution practice test EXAM 2026 TEST!! Graded A+ | 2025|2026 EXAM UPDATE EXAM Questions with 100% C…
What is the procedure when a Repeat the sample and take samples 5 connections
distribution bacteriological sample is upstream and downstream to confirm total coliform
positive for total coliform?
How long must water be in the 6 hours
pipeline for lead and copper
sampling?
Define hydraulic grade line. A line to which the water level would rise in a small,
vertical tube connected to the pipe
How often should cathodic protection Every year
anodes in your system be inspected?
What is the maximum velocity at which Below 2.5 FPS (feet per second)
water pipelines are generally designed
to carry water?
How is energy use in water systems Energy use varies among systems, and an energy
best defined? inventory study would need to be conducted to
determine relationships
What is the minimum recommended 6 feet
separation distance between a water
main and a storm sewer?
https://quizlet.com/1196822461/level-1-water-distribution-practice-test-exam-2026-test-graded-a-20252026-exam-update-exam-questions-with-100-cor… 2/8
Level 1 water distribution practice test EXAM 2026
TEST!! Graded A+ | 2025|2026 EXAM UPDATE EXAM
Questions with 100% Correct Answers | Verified
Add to calendar
Play your way to mastery with fun games
Match Blocks Charms NEW
Terms in this set (69)
What are the minimum and maximum 0.2 mg/L and 4 mg/L of free chlorine
chloride residual levels in a water
distribution system?
What is the maximum allowable 10 mg/L
concentration of nitrate when tested
yearly for a groundwater treatment
plant?
How is the minimum number of total Based on the population served by the system
coliform samples collected per month
determined?
https://quizlet.com/1196822461/level-1-water-distribution-practice-test-exam-2026-test-graded-a-20252026-exam-update-exam-questions-with-100-cor… 1/8
, 7/28/26, 11:55 AM Level 1 water distribution practice test EXAM 2026 TEST!! Graded A+ | 2025|2026 EXAM UPDATE EXAM Questions with 100% C…
What is the procedure when a Repeat the sample and take samples 5 connections
distribution bacteriological sample is upstream and downstream to confirm total coliform
positive for total coliform?
How long must water be in the 6 hours
pipeline for lead and copper
sampling?
Define hydraulic grade line. A line to which the water level would rise in a small,
vertical tube connected to the pipe
How often should cathodic protection Every year
anodes in your system be inspected?
What is the maximum velocity at which Below 2.5 FPS (feet per second)
water pipelines are generally designed
to carry water?
How is energy use in water systems Energy use varies among systems, and an energy
best defined? inventory study would need to be conducted to
determine relationships
What is the minimum recommended 6 feet
separation distance between a water
main and a storm sewer?
https://quizlet.com/1196822461/level-1-water-distribution-practice-test-exam-2026-test-graded-a-20252026-exam-update-exam-questions-with-100-cor… 2/8
