LA 4-32 WATER WELL DRILLING
CONTRACTOR PRACTICE EXAM
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF.
CORE DOMAINS
Louisiana State Regulations and Licensing (LAC 56, R.S. 38:3098)
Well Construction Standards and Casing Specifications
Grouting, Sealing, and Annular Space Protection
Hydrogeology, Aquifers, and Groundwater Principles
Drilling Methods and Equipment Operations
Pump Systems, Installation, and Well Development
Sanitation, Disinfection, and Water Quality Testing
Well Plugging, Abandonment, and Record Keeping
Safety, Environmental Protection, and Professional Conduct
INTRODUCTION
The purpose of this comprehensive assessment is to evaluate the
knowledge, technical proficiency, and regulatory compliance required
for water well drilling contractor licensure in Louisiana. The
examination systematically assesses state regulations, well
construction standards, hydrogeology, pump systems, and
environmental protection protocols. Comprising multiple-choice and
scenario-based items, the test mirrors the regulatory and practical
,demands of water well drilling operations. Special emphasis is placed
on Louisiana Administrative Code compliance, aquifer protection,
and real-world application of safe drilling practices, ensuring
candidates demonstrate the foundational readiness to operate
legally, safely, and effectively as licensed water well drilling
contractors.
SECTION ONE: QUESTIONS 1–100
Question 1
Which Louisiana state agency is primarily responsible for regulating
water well drilling contractors and issuing the LA 4-32 license?
A. Louisiana Department of Environmental Quality (LDEQ)
B. Louisiana Department of Natural Resources (LDNR), Office of
Conservation
C. Louisiana Department of Health (LDH)
D. Louisiana State Licensing Board for Contractors (LSLBC)
B. Louisiana Department of Natural Resources (LDNR), Office
of Conservation
RATIONALE: The Louisiana Department of Natural Resources
(LDNR), specifically through its Office of Conservation, holds the
statutory authority over water well construction, maintenance,
abandonment, and driller licensure in Louisiana .
Question 2
According to Louisiana regulations, within how many days after
completing a water well must the driller submit a Water Well
Registration Form (GW-1) to the Office of Conservation?
,A. 7 days
B. 15 days
C. 30 days
D. 60 days
C. 30 days
RATIONALE: Louisiana regulations require the submission of a
completed Water Well Registration Form (GW-1 or GW-1S) within
30 calendar days after completing the well .
Question 3
What is the minimum required setback distance between a new
water well and a septic tank absorption field (soil absorption
system) in Louisiana?
A. 25 feet
B. 50 feet
C. 100 feet
D. 150 feet
C. 100 feet
RATIONALE: LAC 56 specifies a minimum separation distance
of 100 feet between a water well and a septic tank absorption field to
prevent bacterial and chemical contamination .
Question 4
Prior notification to the Office of Conservation is required how
many days before drilling certain types of water wells in Louisiana?
, A. 30 days
B. 45 days
C. 60 days
D. 90 days
C. 60 days
RATIONALE: The Office of Conservation requires a 60-day prior
notification for the construction of all water wells in the state, with
specific exceptions for oil and gas rig supply, drought relief,
replacement, and domestic wells .
Question 5
Which casing material is prohibited for use in potable water wells in
Louisiana?
A. PVC (polyvinyl chloride) meeting ASTM standards
B. Steel meeting ASTM standards
C. Cast iron
D. Stainless steel
C. Cast iron
RATIONALE: Cast iron is not approved for use in potable water
wells due to corrosion and potential for failure, which can
compromise water quality .
Question 6
What is the primary purpose of grouting the annular space in a
water well?
CONTRACTOR PRACTICE EXAM
QUESTIONS AND CORRECT ANSWERS
(VERIFIED ANSWERS) PLUS
RATIONALES 2026 Q&A | INSTANT
DOWNLOAD PDF.
CORE DOMAINS
Louisiana State Regulations and Licensing (LAC 56, R.S. 38:3098)
Well Construction Standards and Casing Specifications
Grouting, Sealing, and Annular Space Protection
Hydrogeology, Aquifers, and Groundwater Principles
Drilling Methods and Equipment Operations
Pump Systems, Installation, and Well Development
Sanitation, Disinfection, and Water Quality Testing
Well Plugging, Abandonment, and Record Keeping
Safety, Environmental Protection, and Professional Conduct
INTRODUCTION
The purpose of this comprehensive assessment is to evaluate the
knowledge, technical proficiency, and regulatory compliance required
for water well drilling contractor licensure in Louisiana. The
examination systematically assesses state regulations, well
construction standards, hydrogeology, pump systems, and
environmental protection protocols. Comprising multiple-choice and
scenario-based items, the test mirrors the regulatory and practical
,demands of water well drilling operations. Special emphasis is placed
on Louisiana Administrative Code compliance, aquifer protection,
and real-world application of safe drilling practices, ensuring
candidates demonstrate the foundational readiness to operate
legally, safely, and effectively as licensed water well drilling
contractors.
SECTION ONE: QUESTIONS 1–100
Question 1
Which Louisiana state agency is primarily responsible for regulating
water well drilling contractors and issuing the LA 4-32 license?
A. Louisiana Department of Environmental Quality (LDEQ)
B. Louisiana Department of Natural Resources (LDNR), Office of
Conservation
C. Louisiana Department of Health (LDH)
D. Louisiana State Licensing Board for Contractors (LSLBC)
B. Louisiana Department of Natural Resources (LDNR), Office
of Conservation
RATIONALE: The Louisiana Department of Natural Resources
(LDNR), specifically through its Office of Conservation, holds the
statutory authority over water well construction, maintenance,
abandonment, and driller licensure in Louisiana .
Question 2
According to Louisiana regulations, within how many days after
completing a water well must the driller submit a Water Well
Registration Form (GW-1) to the Office of Conservation?
,A. 7 days
B. 15 days
C. 30 days
D. 60 days
C. 30 days
RATIONALE: Louisiana regulations require the submission of a
completed Water Well Registration Form (GW-1 or GW-1S) within
30 calendar days after completing the well .
Question 3
What is the minimum required setback distance between a new
water well and a septic tank absorption field (soil absorption
system) in Louisiana?
A. 25 feet
B. 50 feet
C. 100 feet
D. 150 feet
C. 100 feet
RATIONALE: LAC 56 specifies a minimum separation distance
of 100 feet between a water well and a septic tank absorption field to
prevent bacterial and chemical contamination .
Question 4
Prior notification to the Office of Conservation is required how
many days before drilling certain types of water wells in Louisiana?
, A. 30 days
B. 45 days
C. 60 days
D. 90 days
C. 60 days
RATIONALE: The Office of Conservation requires a 60-day prior
notification for the construction of all water wells in the state, with
specific exceptions for oil and gas rig supply, drought relief,
replacement, and domestic wells .
Question 5
Which casing material is prohibited for use in potable water wells in
Louisiana?
A. PVC (polyvinyl chloride) meeting ASTM standards
B. Steel meeting ASTM standards
C. Cast iron
D. Stainless steel
C. Cast iron
RATIONALE: Cast iron is not approved for use in potable water
wells due to corrosion and potential for failure, which can
compromise water quality .
Question 6
What is the primary purpose of grouting the annular space in a
water well?
