New Mexico Cesspools, Septic Tanks and Sewers Contractor (MS-3) Ultimate Exam Prep Rental Package

Prepare for the New Mexico Cesspools, Septic Tanks and Sewers Contractor (MS-3) examination with an Ultimate Exam Prep Rental Package designed around the technical references, business and law materials, and organized study support needed for this specialty contractor classification. The package combines highlighted and tabbed rental books, 1 year of course access, and Application Service to help candidates build a structured preparation plan for the New Mexico MS-3 contractor licensing process.

The MS-3 classification focuses on septic tanks, private sewage disposal systems, manholes, sewer lines, excavation, trenching, backfilling, grading, and certain incidental low-voltage controls associated with the authorized work. Exam preparation therefore requires more than simply reviewing general plumbing concepts. Candidates should become comfortable with New Mexico liquid waste requirements, plumbing-code provisions, septic system components, installation materials, absorption fields, building sewers, alternative disposal methods, and the calculations used in plumbing and pipefitting work.

This Ultimate Exam Prep Rental Package includes the New Mexico Liquid Waste Disposal Regulations (NMAC 20.7.3), 2005; Uniform Plumbing Code, 2021; and Mathematics for Plumbers and Pipefitters, 8th Edition for MS-3 trade examination preparation. It also includes the NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition; New Mexico Construction Industries Licensing Act (NMSA Chapter 60, Article 13), 2006; and New Mexico Contractor's License Requirement (NMAC Title 14, Chapter 6, Part 3), 2006 for Business and Law preparation.

All included rental books are highlighted and tabbed for exam preparation. This book preparation is intended to make important sections easier to locate during study sessions and to help candidates practice efficient reference navigation before entering an open-book examination environment.

Package Price: $1,285.

Refundable Deposit: $300.

Total Due Today: $1,585.

Ultimate Book Package Processing: Please allow up to 15 business days for Ultimate book package orders.

Exam Details

The New Mexico MS-3 Cesspools, Septic Tanks and Sewers examination contains 50 questions. Candidates are allowed 120 minutes to complete the examination, and a score of 75%, or 38 points, is required to pass.

The official MS-3 examination content outline divides the 50 questions into six subject areas. General Knowledge accounts for 5 questions, Installation and Materials accounts for 15 questions, Septic Tanks accounts for 12 questions, Disposal Absorption Fields accounts for 10 questions, Building Sewers accounts for 4 questions, and Alternative Disposal accounts for 4 questions.

That distribution makes installation, materials, septic tanks, and disposal absorption fields especially important study areas. Together, those subjects account for most of the examination. Candidates should still prepare across the complete outline because questions may also draw on general trade knowledge and accepted industry practices.

New Mexico contractor candidates also have a Business and Law requirement. The Business and Law examination contains 50 questions, requires 75%, or 38 points, to pass, and allows 130 minutes. Its published subject areas include licensing requirements, estimating and bidding, business organization and financial management, tax laws, labor laws, project management and lien law, contracts, risk management, and environmental and safety topics.

New Mexico permits contractors to satisfy the Business and Law requirement by passing the PSI Business and Law examination or taking an approved Business and Law course. When the examination route applies, the Business and Law examination and trade examination must be completed within the required one-year period established for the examination process.

Open Book Test

The New Mexico MS-3 Cesspools, Septic Tanks and Sewers examination is an open-book test. The official examination bulletin lists the New Mexico Liquid Waste Disposal Regulations (NMAC 20.7.3), 2005; Uniform Plumbing Code, 2021; and Mathematics for Plumbers and Pipefitters, Lee Smith, 8th Edition, 2013 as references allowed in the examination center.

Candidates are responsible for bringing their permitted references to the examination center. Approved materials must be bound. References may be highlighted, underlined, or indexed before the examination session, but writing in the references is not permitted. References also may not be written in during the examination.

Permanent tabs are permitted for indexing approved books, while temporary tabs such as Post-it notes are not allowed. Loose papers or additional attached papers are also prohibited. These rules make advance organization especially useful because candidates need to work within both the examination time limit and the testing center's reference-material requirements.

An open-book exam still requires preparation. With 50 questions and 120 minutes available, candidates have an average of approximately 2.4 minutes per question. Time can be lost quickly when a candidate knows that an answer is somewhere in a book but does not know where to find it. Repeated lookup practice with highlighted and tabbed references helps build the navigation habits needed for efficient exam work.

Licensing Steps

1. Identify the MS-3 classification. Confirm that the work you intend to perform falls within the New Mexico MS-3 Septic Tanks and Sewer specialty classification.
2. Meet the experience requirement. The MS-3 classification requires two years of experience. Experience should relate to the work covered by the classification.
3. Complete the Qualifying Party process. New Mexico contractor licensing uses a Qualifying Party who demonstrates the required experience and examination qualifications for the applicable classification.
4. Complete the examination requirements. Prepare for and pass the required MS-3 trade examination and satisfy the applicable Business and Law requirement.
5. Complete the contractor license application. The contractor business must complete the applicable licensing process and provide the documentation required for the license classification.
6. Remain within the authorized scope. After licensing, work performed under the MS-3 classification must stay within the scope authorized by New Mexico's classification rules.

The Application Service included with this Ultimate package is designed to give candidates additional organizational support as they work through the licensing application process. Exam preparation and application preparation are separate parts of the licensing journey, so addressing both can create a more organized path from study through application submission.

State Requirements

New Mexico classifies MS-3 as a mechanical specialty classification for septic tanks and sewer work. The classification requires two years of experience.

The authorized scope includes installing, altering, repairing, servicing, or maintaining septic tanks and private sewage disposal systems, manholes, and sewer lines. The scope extends from a connection to a public or private utility to a point five feet beyond the outside wall of a building or structure. The classification also permits excavation, trenching, backfilling, and grading when necessary for the authorized work.

The MS-3 scope also includes installation or repair of incidental plug-in type electrical control panels, controls, and control wiring not exceeding 24 volts. Candidates preparing for this classification should understand that the license is a defined specialty classification rather than a general authorization for unrelated mechanical, plumbing, or electrical contracting work.

New Mexico liquid waste regulations also address the installation and modification of on-site liquid waste systems. These regulations cover subjects such as permits, septic tanks, disposal systems, system abandonment, and other requirements associated with on-site wastewater work. Studying the state regulation together with the plumbing code helps candidates connect New Mexico-specific requirements with the broader installation provisions used in the trade.

Reference Books

• Included Book: New Mexico Liquid Waste Disposal Regulations (NMAC 20.7.3), 2005
  Included as a rental reference for studying New Mexico requirements governing on-site liquid waste systems, septic systems, disposal methods, permitting concepts, installation requirements, and related wastewater provisions. The book is highlighted and tabbed for exam preparation.
• Included Book: Uniform Plumbing Code, 2021
  Included as a rental code reference for preparation involving plumbing systems, drainage, building sewers, materials, installation requirements, fittings, pipe sizing concepts, and other plumbing provisions applicable to the MS-3 examination. The book is highlighted and tabbed for exam preparation.
• Included Book: Mathematics for Plumbers and Pipefitters, 8th Edition
  Included as a rental reference for mathematical concepts used in plumbing and pipefitting work. Candidates can use it to strengthen calculation skills and practice solving trade-related mathematical problems encountered during preparation.
• Included Book: NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition
  Included as a rental business reference covering contractor-oriented subjects such as estimating, bidding, financial management, project management, contracts, risk management, labor matters, and business operations.
• Included Book: New Mexico Construction Industries Licensing Act (NMSA Chapter 60, Article 13), 2006
  Included as a rental state reference for studying statutory provisions associated with contractor licensing and construction-industry regulation in New Mexico.
• Included Book: New Mexico Contractor's License Requirement (NMAC Title 14, Chapter 6, Part 3), 2006
  Included as a rental New Mexico reference covering contractor licensing provisions relevant to Business and Law examination preparation.

Exam Room Approved Books

The following references are listed for use in the New Mexico MS-3 examination center:

• New Mexico Liquid Waste Disposal Regulations (NMAC 20.7.3), 2005
  New Mexico-specific liquid waste regulations used for questions involving septic systems, on-site disposal requirements, installation rules, and related regulatory topics.
• Uniform Plumbing Code, 2021
  The listed plumbing code reference used for code-based MS-3 examination questions involving drainage, sewer, piping, materials, and installation requirements.
• Mathematics for Plumbers and Pipefitters, Lee Smith, 8th Edition, 2013
  The listed mathematics reference for trade calculations and plumbing or pipefitting mathematical concepts.

The New Mexico Business and Law examination separately lists the NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition; New Mexico Construction Industries Licensing Act; and New Mexico Contractor's License Requirement as examination references.

Test Information and Study Materials

A strong MS-3 preparation plan should follow the official content outline instead of treating every topic as equally weighted. Installation and Materials represents 15 questions, Septic Tanks represents 12, and Disposal Absorption Fields represents 10. Those three areas alone account for 37 of the 50 examination questions.

Study the terminology and components of septic and private sewage disposal systems, then practice locating the provisions that govern installation. Review materials, pipe and fitting requirements, septic tank concepts, disposal-field principles, building sewer requirements, and alternative disposal methods. General Knowledge should remain part of the study schedule even though it contains fewer questions because it can test concepts that support several other categories.

Reference navigation should be practiced under timed conditions. A useful approach is to identify the key term in a practice question, decide which reference most likely contains the answer, locate the applicable chapter or section, and confirm the answer from the text. Repeating that process helps reduce unnecessary searching.

The mathematics reference should also be incorporated into regular preparation instead of being saved for the end. Work through plumbing and pipefitting calculations until the process for setting up and solving a problem becomes familiar. A silent, non-printing, non-programmable calculator is permitted in the examination center, so candidates can also practice calculations using the same type of calculator they intend to use for the exam.

Business and Law preparation should be treated as its own study track. Review licensing requirements, estimating and bidding, business organization, financial management, tax and labor subjects, project management, lien law, contracts, risk management, and environmental and safety topics. Practice locating state-specific requirements in the New Mexico references while using the NASCLA guide for the broader contractor business subjects.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps organize MS-3 preparation around the books, tested subject areas, and reference-navigation skills that candidates need to develop before exam day. Instead of relying only on reading, candidates can work through a structured study routine that combines trade-focused review with repeated practice using the actual reference materials.

The highlighted and tabbed rental books are prepared to make navigation more efficient during study. Highlighting helps draw attention to important material, while permanent tabs create faster access to major chapters, sections, and subject areas. Practicing with the prepared books can help candidates become familiar with where information is located before working under examination time limits.

Course access provides 1 year of preparation time, allowing candidates to build a schedule that fits around work and other responsibilities. Trade-focused review can be used to reinforce septic systems, sewer work, disposal fields, installation materials, code navigation, calculations, and other MS-3 subject areas.

Practice-oriented preparation is particularly valuable for an open-book examination. The goal is not simply to memorize every requirement. Candidates should learn how to recognize what a question is asking, determine which reference applies, locate the relevant material, and use that information efficiently.

The included Application Service extends the package beyond exam study by helping candidates organize the licensing application portion of their goal. Combining prepared rental references, course access, exam-focused study structure, and application support creates a comprehensive approach for candidates pursuing the New Mexico MS-3 contractor classification.

FAQ Section

What is included in the New Mexico MS-3 Ultimate Exam Prep Rental Package?

The package includes six rental references covering MS-3 trade and Business and Law preparation, highlighted and tabbed book preparation, 1 year of course access, and Application Service.

What is the package price?

The package price is $1,285. A refundable deposit of $300 is required, making the total due today $1,585.

Are the books highlighted and tabbed?

Yes. All books included with the rental package are highlighted and tabbed for exam preparation.

How long does Ultimate book package processing take?

Please allow up to 15 business days for Ultimate book package orders.

How many questions are on the New Mexico MS-3 exam?

The MS-3 examination contains 50 questions. Candidates receive 120 minutes, and 75%, or 38 points, is required to pass.

Is the New Mexico MS-3 exam open book?

Yes. The MS-3 examination is open book. Candidates may bring the approved references into the testing center when the materials comply with the examination provider's reference rules.

Which books are allowed in the MS-3 exam room?

The listed MS-3 references are the New Mexico Liquid Waste Disposal Regulations (NMAC 20.7.3), 2005; Uniform Plumbing Code, 2021; and Mathematics for Plumbers and Pipefitters, Lee Smith, 8th Edition, 2013.

What experience is required for the MS-3 classification?

The New Mexico MS-3 Septic Tanks and Sewer classification requires two years of experience.

What subjects are covered on the MS-3 examination?

The official outline covers General Knowledge, Installation and Materials, Septic Tanks, Disposal Absorption Fields, Building Sewers, and Alternative Disposal.

Does the package include Business and Law preparation?

Yes. The package includes the NASCLA Contractors Guide to Business, Law and Project Management, Basic 14th Edition and the two listed New Mexico licensing references used for Business and Law preparation.

How long is the course access?

This Ultimate package includes 1 year of course access.

Is Application Service included?

Yes. Application Service is included with the Ultimate Exam Prep Rental Package.