Arizona CR41 Septic Tanks and Systems
Contractor Practice Exam
Arizona Licensing and Contractor Law, Business Contracts and Lien Law, Soils Site
Evaluation and Permitting, Septic Tank and Conventional System Design, Drainfield
Chamber and Alternative System Installation, Pumps Controls and Electrical,
Inspection Operation Maintenance and Repair, Safety Environmental and Public
Health, Mathematics Estimating and Professional Practice
200 Multiple-Choice Practice Questions
with Answer Key and Explanations
2026 Edition
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 1
,Exam Overview
This is an independent, original practice set. It is not affiliated with the Arizona Registrar of Contractors (ROC),
the Arizona Department of Environmental Quality (ADEQ) or any exam vendor. "CR41" is read here as the
residential (dual) classification for septic tanks and onsite wastewater systems (the commercial counterpart is A-
41). Exact scope and current ARS and AAC provisions change, so items depending on state rules are marked
"confirm".
Exam Arizona CR41 Septic Tanks and Systems Contractor
Practice Exam
Intended for Candidates preparing for the Arizona Registrar of
Contractors CR-41 Septic Tanks and Systems trade
examination
Number of questions 200 multiple-choice (four options, one best answer)
Content areas 9
Suggested time 3 hours 20 minutes (about 60 seconds per question)
Suggested passing target 70% or higher (140 of 200) as a readiness target;
confirm the official passing score
Answer format The correct answer and explanation appear directly
after each question
Content Blueprint
Content area Questions Share of exam
Arizona Licensing and Contractor 22 11%
Law
Business, Contracts and Lien Law 22 11%
Soils, Site Evaluation and 22 11%
Permitting
Septic Tank and Conventional 22 11%
System Design
Drainfield, Chamber and 22 11%
Alternative System Installation
Pumps, Controls and Electrical 22 11%
Inspection, Operation, 22 11%
Maintenance and Repair
Safety, Environmental and Public 22 11%
Health
Mathematics, Estimating and 24 12%
Professional Practice
How to Use This Exam
Cover the answer lines with a sheet of paper and attempt each question before checking.
Work one content area at a time, or take all questions in one timed sitting to simulate test day.
Mark every question you miss or guess on, then reread its explanation and the related reference material.
Repeat the missed questions after a few days; aim to explain why each wrong option is wrong.
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 2
,Reference Materials Used
Arizona Revised Statutes Title 32 Chapter 10
Arizona Administrative Code Title 4 Chapter 9
Arizona Administrative Code Title 18 Chapter 9 (ADEQ onsite wastewater, Article 7)
ADEQ General Permits concepts
OSHA 29 CFR 1926 Subpart P
Note: This is an independent practice resource written to the published content areas for this exam. It is not affiliated with or
endorsed by the testing organization, and it does not contain actual exam questions. Laws, codes, fees and guidelines change;
confirm current requirements with the official candidate handbook and references.
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 3
, Table of Contents
Exam Overview
Section 1: Arizona Licensing and Contractor Law (Questions 1–22)
Section 2: Business, Contracts and Lien Law (Questions 23–44)
Section 3: Soils, Site Evaluation and Permitting (Questions 45–66)
Section 4: Septic Tank and Conventional System Design (Questions 67–88)
Section 5: Drainfield, Chamber and Alternative System Installation (Questions 89–110)
Section 6: Pumps, Controls and Electrical (Questions 111–132)
Section 7: Inspection, Operation, Maintenance and Repair (Questions 133–154)
Section 8: Safety, Environmental and Public Health (Questions 155–176)
Section 9: Mathematics, Estimating and Professional Practice (Questions 177–200)
Answer Key Summary
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 4
Contractor Practice Exam
Arizona Licensing and Contractor Law, Business Contracts and Lien Law, Soils Site
Evaluation and Permitting, Septic Tank and Conventional System Design, Drainfield
Chamber and Alternative System Installation, Pumps Controls and Electrical,
Inspection Operation Maintenance and Repair, Safety Environmental and Public
Health, Mathematics Estimating and Professional Practice
200 Multiple-Choice Practice Questions
with Answer Key and Explanations
2026 Edition
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 1
,Exam Overview
This is an independent, original practice set. It is not affiliated with the Arizona Registrar of Contractors (ROC),
the Arizona Department of Environmental Quality (ADEQ) or any exam vendor. "CR41" is read here as the
residential (dual) classification for septic tanks and onsite wastewater systems (the commercial counterpart is A-
41). Exact scope and current ARS and AAC provisions change, so items depending on state rules are marked
"confirm".
Exam Arizona CR41 Septic Tanks and Systems Contractor
Practice Exam
Intended for Candidates preparing for the Arizona Registrar of
Contractors CR-41 Septic Tanks and Systems trade
examination
Number of questions 200 multiple-choice (four options, one best answer)
Content areas 9
Suggested time 3 hours 20 minutes (about 60 seconds per question)
Suggested passing target 70% or higher (140 of 200) as a readiness target;
confirm the official passing score
Answer format The correct answer and explanation appear directly
after each question
Content Blueprint
Content area Questions Share of exam
Arizona Licensing and Contractor 22 11%
Law
Business, Contracts and Lien Law 22 11%
Soils, Site Evaluation and 22 11%
Permitting
Septic Tank and Conventional 22 11%
System Design
Drainfield, Chamber and 22 11%
Alternative System Installation
Pumps, Controls and Electrical 22 11%
Inspection, Operation, 22 11%
Maintenance and Repair
Safety, Environmental and Public 22 11%
Health
Mathematics, Estimating and 24 12%
Professional Practice
How to Use This Exam
Cover the answer lines with a sheet of paper and attempt each question before checking.
Work one content area at a time, or take all questions in one timed sitting to simulate test day.
Mark every question you miss or guess on, then reread its explanation and the related reference material.
Repeat the missed questions after a few days; aim to explain why each wrong option is wrong.
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 2
,Reference Materials Used
Arizona Revised Statutes Title 32 Chapter 10
Arizona Administrative Code Title 4 Chapter 9
Arizona Administrative Code Title 18 Chapter 9 (ADEQ onsite wastewater, Article 7)
ADEQ General Permits concepts
OSHA 29 CFR 1926 Subpart P
Note: This is an independent practice resource written to the published content areas for this exam. It is not affiliated with or
endorsed by the testing organization, and it does not contain actual exam questions. Laws, codes, fees and guidelines change;
confirm current requirements with the official candidate handbook and references.
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 3
, Table of Contents
Exam Overview
Section 1: Arizona Licensing and Contractor Law (Questions 1–22)
Section 2: Business, Contracts and Lien Law (Questions 23–44)
Section 3: Soils, Site Evaluation and Permitting (Questions 45–66)
Section 4: Septic Tank and Conventional System Design (Questions 67–88)
Section 5: Drainfield, Chamber and Alternative System Installation (Questions 89–110)
Section 6: Pumps, Controls and Electrical (Questions 111–132)
Section 7: Inspection, Operation, Maintenance and Repair (Questions 133–154)
Section 8: Safety, Environmental and Public Health (Questions 155–176)
Section 9: Mathematics, Estimating and Professional Practice (Questions 177–200)
Answer Key Summary
Arizona CR41 Septic Tanks and Systems Contractor Practice Exam | Page 4
