C57 Well Drilling Exam

Passing The C-57 Trade Exam is Easy as 1,2,3!

  1. Commit to passing your California C-57 Well Drilling Contractor exam. Prepare to pass the exam at HOME, on your schedule; “Read, Listen, Watch, Learn, &  PASS!“
  2. Apply to the CSLB. We will also help you with your C-57 application! Call us for assistance.
  3. Study. Our clients typically pass the exam on their 1st attempt! “Follow the plan and pass your exam!“

All qualifying individuals must also pass the California Contractor Law and Business Exam. (sold separately below)


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Pass the C-57 Well Drilling exam on your 1st attempt. Unleash the most effective and affordable C-57 contractors’ license course available in California. TLC clients pass their C-57 Contractor Trade Exam.

Pass your C-57 Well Drilling Contractor exam; it’s simple as 123!

ONE – Commit to becoming a C-57 Well Drilling Contractor with help from TLC. Study at HOME, on your schedule.

  • Read our best in the industry C-57 Well Drilling exam preparation manual.
  • Learn the art of dominating a four-answer multiple-choice exam.
  • Watch industry experts review via Audio & Video General Exam Knowledge, Construction Math, and Title 8 Health & Safety Rules.
  • Access hundreds of researched exam questions and answers.
  • Take non-graded Practice Quizzes.
  • Memorize key exam concepts with virtual flashcards.
  • Verify your knowledge with simulated Full-length, Timed Exams
  • PASS your C-57 Well Drilling Contractor exam the first time you test.

The most effective C-57 contractor exam course available in California at ANY price!

Study Online! Our multimedia Well Drilling contractor course is your best & most affordable method to pass your C-57 Contractor License Exam!

TWO –  Submit your Application to the CSLB. We will help you with the paperwork.! New online tools help you correctly fill out your original C-57 Well Drilling Contractor exam application. Call us for assistance, and schedule a free line-by-line review of your application before submission to the CSLB!

With our help, submitting a proper C-57 License application to the CSLB has never been easier!

THREE – Prepare for and pass your exam. Our students improve their test scores and pass their C-57 Well Drilling Contractor exam.

When ready to test, schedule your exam through PSI. Please read the PSI Candidate Information Bulletin for more informationPSI – C-57 Well Drilling

IT’s A FACT! When you read something – eTEXTBOOKS, watch something – VIDEO FILES, hear something – AUDIO FILES, and then put that information to use – ONLINE PRACTICE QUESTIONS  & ONLINE EXAMS, your ability to retain our study materials increases exponentially!


Study at home! Don’t waste time commuting to a classroom. Study conveniently in your home or office. Our courses are a proven, reliable, and affordable way to pass the C-57 Well Drilling Contractor exam.


Choose your course format from either

eCourse – Online Manual (not printable)Streaming A/V (Audio/Video), & Online Testing

Or Printed Manual + Online A/V (Audio/Video) & Online Testing

Or Printed Manual + CDs, DVD’s, & Online Testing

Our C-57 Well Drilling Contractor License Trade Exam Course includes the following course materials to maximize your study efforts.

  • Trade Specific Textbooks
  • Audio Lectures
  • Video Lectures
  • Online Practice Questions
  • Simulated Online Exams


The C-57 Well Drilling Contractor exam manual covers the essential topics of the California C-579 Well Drilling Contractor license exam. Topics include Hydrology, Well Construction Methods, types of Drilling Machines, Selection of Equipment, Water Well Reports and Estimating, a summary of the California Vehicle Code, Title 8 Health and Safety Orders, and Well Drilling Review Questions.

The C-57 Well Drilling Contractor exam manual contains the following sections;

  • MATH REVIEW: covers math and estimating formulas, units of measurement, elementary geometry, and the architect’s scale.
  • GENERAL KNOWLEDGE: This contains basic trade information all students must know to pass the C-57 Trade exam.
  • HEALTH AND SAFETY: Our comprehensive health and safety section familiarizes students with Cal/OSHA and other regulations and practices.
  • REVIEW QUESTIONS: Lists the most difficult questions, indexed to the relevant section of the manual.


Streaming online Audio/Video files or CDs & DVDs. Expert instructors with decades of experience cover fundamental C-57 Well Drilling exam concepts in greater detail. Our audio/video lectures cover Math Formulas and Title 8 Health and Safety lectures.


  • FLASHCARDS: The online flashcard program tracks your history and also allows you to exclude questions you have already learned.
  • PRACTICE EXAMS: Two final practice exams, each timed to simulate actual exam conditions. The course also includes two Cal/OSHA Health and Safety tests. (Exams are approximately 115 questions each.) Our C-57 and Title 8 Health and Safety update list any new questions to reflect changing trends in exam focus.


Get help filling out your contractor exam application or request a free review of your completed form before submission. All students in our C-57 Well Drilling course can call us at (866) 685 8564 for assistance.

ONE YEAR UNLIMITED ACCESS: To All Online eBooks, Audio/Video, Test Questions & Simulated Final Exams.

We provide complete access to all online course materials for an entire year. Other schools may offer only 90-day access to online tools to charge you extra $ for extended access to study materials.

C-57 Well Drilling Contractor exam course with C-57 Trade CD's DVDs & online practice tests
Pass the C-57 Well Drilling Trade Exam – Best Contractor Course at any price! Only $249


A detailed breakdown of the makeup of the C-57 Well Driller Contractor trade exam. A list of all the reference materials used to create the C-57 exam & the scope of the C-57 Well Driller contractor classification.

The C57 Well Drilling exam is broken down into seven major sections:

Section 1. Planning and Estimation (20% of Exam)

  • Site evaluation
  • Equipment and material selection
  • Cost calculation

Section 2. Water Well Drilling and Well Development (26% of Exam)

  • Water well setup
  • Water well drilling
  • Water well construction
  • Water well monitoring

Section 3. Geotechnical Borings and Environmental Wells (5% of Exam)

  • Geotechnical borings
  • Environmental wells

Section 4. Water Distribution System Installation (7% of Exam)

  • Pump systems
  • Delivery systems

Section 5. Water Distribution System Repair (7% of Exam)

  • Pump system repair
  • Delivery system repair

Section 6. Water Well Rehabilitation and Destruction (10% of Exam)

  • Water well rehabilitation
  • Water well destruction

Section 7. Safety (25% of Exam)

  • Employee safety
  • Job site and equipment safety
  • Hazardous materials

*Percentages are approximate

C-57 Well Drilling exam source material:

The CSLB utilizes the following publications to create the C57 Well Drilling exam. California codebooks can be viewed online: www.dgs.ca.gov/bsc

AIM Manual, 60 Hz Submersible Motors. 2015. Franklin Electric.
PHONE: (800) 348-2420
INTERNET: www.franklinwater.com

Bulletin 74-81: Water Well Standards. and Bulletin 74-90: California Well Standards. California Department of Water Resources.
PHONE: (916) 653-1097
INTERNET: water.ca.gov

California Commercial Driver Handbook. 2019-2021. California Department of Motor Vehicles.
PHONE: (800) 777-0133
INTERNET: www.dmv.ca.gov

The Drilling Manual, Australian Drilling Industry Training Committee Limited. ISBN: 978-1439814208
INTERNET: www.adia.com.au

Groundwater and Wells. Robert J. Sterrett. Johnson Screens. ISBN: 978-0978779306
INTERNET: www.adia.com.au

State of California General Industry & Electrical Safety Orders (Cal/OSHA) and State of California Construction & Electrical Safety Orders (Cal/OSHA). 2022. California Code of Regulations, Title 8. Mancomm.
PHONE: (877) 626-2666
INTERNET: www.mancomm.com

*Publisher information is current as of 12/22

C-57 Well Drilling Contractor – California Code of Regulations Title 16, Division 8, Article 3. Classifications

A well drilling contractor installs and repairs water wells and pumps by boring, drilling, excavating, casing, cementing, and cleaning to provide a supply of uncontaminated water.

Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code)



We offer our study materials as two separate courses:

  • Course-1: C-57 TRADE EXAM.
  • Course-2: LAW & BUSINESS EXAM. (Each Sold Separately)


Pass the Law & Business Exam

Pass the Law & Business Exam for Your Original Contractor’s License

  • Law & Business Exam Focus: This exam concentrates on California Contractor Law and best business practices.
  • Path to Success: To qualify for your first contractor’s license, you must pass both the TRADE and LAW exams. Utilize our resources to “Read, Watch, Listen, Learn, and PASS!”

Prepare for both exams to ensure you meet all the requirements for your original contractor’s license. With the right resources and study habits, you’re on your way to becoming a licensed contractor.


* Shipping fees apply for the options not fully online.

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Take a free C57 Well Drilling Contractor practice exam. These free C57 test questions are similar to the ones you will encounter when taking the actual C57 Well Drilling Contractors exam.

You are off to a strong start if you readily answer seven or more questions correctly without guessing.
However, if you miss three or more questions, you risk failing the TRADE portion of the C57 Exam.

Take the Trade Exam

Welcome to your free C-57 Well Drilling Exam

REQUIRED - Enter your email address to receive a printable copy of your test results.
Welding equipment should not be grounded to a truck because:

All of the following statements are correct except:

The bad thing about jetting a well is:

When installing heat pumps, the contractor must consider water pooling around the pump. This can be resolved by:

What type of pump should be used in a sand well?

Which pressure range gets more water between cycle?

How does water circulate through a pump?

Which of the following is the most common cause of a drill hole becoming crooked?

What is the minimum clearance in front of a 240 V electrical panel?

Who determines the minimum required distance for a driller's mast from an electrical line?

What sort of PPE (personal protective equipment) is recommended when using cleaning solvent?

What should be done with lifelines, safety harnesses, and shock-absorbing lanyards that have been subjected to impact loading?

What is the longest standard length of a scaffold plank?

On a 120V circuit, what color is the (protective) ground wire?

What is the minimum distance apart that acetylene and oxygen cylinders must be stored?

Which of the following is a correct method for storing acetylene cylinders?

Which of the following is the best choice for hoisting a full gas cylinder?

Cylinders containing ______ shall not be taken into confined spaces.

A dry chemical or carbon dioxide fire extinguisher rated at least ______ must be kept near operations where bottled fuel gases are being used.

No more than ______ of paints, solvents, and chemicals may be stored in a room unless an approved safety storage cabinet is present.