Naval Civil Engineer Corps Officers School Environmental Training

eNTRS (student registration) is in full effect for all courses with the exception of:
HAZWOPER for Uncontrolled Hazardous Waste Site Workers-Refresher (ON-LINE) Quota Request 740X A-4A-0094


See the "eNTRS Guides" to set up and manage an eNTRS account. If you do not have a CAC card, DOD ID or unable to set up an eNTRS account, please contact with the subject titled the "course name, CIN, and CDP". And in the content the date of class and any further information.


NOTE (September 2022): Once you have established an eNTRS account, use Chrome to access.    If you receive a "FORBIDDEN" error when attempting to login, use the back button and click "PROCEED TO LOGIN PAGE: again.   Should you still have issues accessing eNTRS or registering, contact the CECOS registrars at    Please do not direct your registration questions to the eNTRS "Help Desk.

CECOS Environmental Training Courses

Registration not required for self-guided eLearning training modules.

The Environmental Training Division takes pride in offering relevant and quality training to our students.

When registering, please only use the "Course Registration" button found on each course page. Older registration forms you may have saved are obsolete.

We offer Instructor-led classroom courses, including courses offered by other service branches, in the following environmental categories:

Air Quality Management
Environmental Protection
Environmental Quality Sampling
Hazardous Waste Facility Operators
Introduction to Hazardous Waste Generation and Handling
Overseas Hazardous Waste Facility Operations
Overseas Hazardous Waste Generator
RCRA Hazardous Waste Review
Transportation of Hazardous Material/Hazardous Waste (HM/HW) for DOD
Transportation of Hazardous Material/Hazardous Waste (HM/HW) for DOD - Recurrent/Refresher
Water Quality Management
Advanced Historic Preservation Law and Section 106 Comp
Introduction to Cultural Resource Management Laws and Regulations
Natural Resources Compliance
Advancing an Effective EMS - Webinar
Advanced Environmental Law
Advanced Environmental Management
Basic Environmental Law
Emergency Planning & Community Right-To-Know (EPCRA) and Toxic Release Inventory (TRI) Reporting (Webinar)
Environmental Negotiation Workshop
Health and Environmental Risk Communication Workshop
Integrated EMS and Compliance Auditing
National Environmental Policy Act Application
National Environmental Policy Act Navy Executive Overview
Ecological Risk Assessment
Environmental Background Analysis
Environmental Geographic Information Systems
Environmental Sampling Design and Data Quality Assurance
HAZWOPER for Uncontrolled Hazardous Waste Site Workers
HAZWOPER for Uncontrolled Hazardous Waste Site Workers-Refresher
Human Health Risk Assessment
Munitions Response Site Management
Munitions Response Site Management (Advanced)
Navy Environmental Restoration Program
Optimizing Remedy Selection and the Site Closeout Process
Uniform Federal Policy for Quality Assurance Project Plans

We are one of two Navy training sites tasked to Implement the Navy Environmental Readiness Training System Plan (NTSP) for meeting training requirements outlined in Federal environmental regulations and OPNAVIST 5090.1(series).

The Navy, in conjunction with the other Services, has found that specific environmental education training courses offered by the Air Force, Army, and DLA meet the training requirements of the Navy. These courses are annotated as "Interservice" or ISEERB" (Interservice Environmental Education Review Board) courses.