The New Mexico Cesspools, Septic Tanks and Sewers Contractor MS-3 Exam Book Package is a focused, trade-specific reference collection designed to prepare you for the MS-3 Contractor licensing exam in New Mexico.
Built for contractors working in onsite wastewater systems, septic installations, and sewer connections, this package provides the essential knowledge needed to understand system design, installation practices, environmental regulations, and code compliance. It is specifically structured to help you succeed in the open-book exam while strengthening your real-world capabilities in wastewater management systems.
This package emphasizes sanitation, system performance, and regulatory compliance, ensuring you can confidently install and maintain septic and sewer systems that protect public health and the environment.
State-specific regulations governing septic systems, liquid waste disposal, permitting, and environmental compliance—a core reference for the exam.
Provides national standards for plumbing systems, including drainage, waste, and venting requirements—critical for sewer system connections and design.
Covers essential calculations for pipe sizing, slopes, flow rates, and layout—important for proper system design and installation.
New Mexico MS-3 Contractor Exam (Cesspools, Septic Tanks & Sewers)
Septic system design and installation
Wastewater treatment and disposal systems
Sewer line installation and connections
Pipe sizing, slope calculations, and system layout
Environmental and health regulations (NMAC 20.7.3)
Code interpretation and compliance (UPC)
Identifying system failures and ensuring proper performance
✔ Wastewater System Focus – Built specifically for MS-3 scope
✔ State + National Code Alignment – NMAC and UPC included
✔ Practical Math + Field Knowledge – Essential calculations covered
✔ Optimized for Open-Book Exams – Quickly locate answers under time pressure
✔ Environmental Compliance Driven – Designed for safe system operation
Individuals pursuing the New Mexico MS-3 Contractor License
Contractors working in septic and wastewater systems
Plumbing professionals expanding into sewer and septic work
Excavation contractors installing underground waste systems
Anyone looking to pass the exam on the first attempt
With the right references and a strong understanding of wastewater systems and regulations, you’ll be fully prepared to pass your exam and deliver safe, efficient, and code-compliant septic and sewer installations.