Exam 2026|2027 Actual Complete Real Exam Questions And Correct
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What is cross-contamination? -ANSWER-Movement of contaminants
between aquifers due to poor construction
How does an abandoned well threaten groundwater? -ANSWER-It
provides a direct pathway for contaminants
What is required when plugging an abandoned well? -ANSWER-Remove
obstructions; fill with approved material; seal bottom to surface
What is a sanitary well cap used for? -ANSWER-Prevents insects, debris,
and contaminants from entering the well
Why must wells be located away from contamination sources? -
ANSWER-To reduce risk of bacteria, chemicals, or waste entering
groundwater
What types of contamination commonly affect groundwater? -
ANSWER-Bacteria, nitrates, chemicals, salts, and minerals
, Who is responsible for ensuring a well is properly plugged? -ANSWER-
The landowner and the licensed driller
Can Groundwater Conservation District rules be stricter than state
rules? -ANSWER-Yes, GCD rules may be more restrictive
Who must keep records of well drilling activities? -ANSWER-The
licensed water well driller
How long must well drilling records be kept? -ANSWER-At least 3 years
Is a license required to alter or repair an existing well? -ANSWER-Yes
Who issues water well driller licenses in Texas? -ANSWER-Texas
Department of Licensing and Regulation (TDLR)
Can an unlicensed person assist in drilling a well? -ANSWER-Yes, if
directly supervised by a licensed driller
What happens if a driller works outside their license endorsement? -
ANSWER-It is a violation subject to penalties
Is a permit always required to drill a water well in Texas? -ANSWER-It
depends on local Groundwater Conservation District rules