CMWSSB Apprentice Recruitment 2026: The Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) has published an official notification for the engagement of Graduate and Diploma Apprentices for the 2026–27 training cycle. Under the Apprenticeship (Amendment) Act 1973, CMWSSB is offering a total of 108 training positions for engineering graduates and diploma holders residing in Tamil Nadu. Candidates who completed their qualifying degree or diploma in 2022, 2023, 2024, 2025, or May 2026 are eligible to apply online through the National Apprenticeship Training Scheme (NATS) portal.
The online application window opens on September 17, 2026, and closes on October 17, 2026.
CMWSSB Apprentice Recruitment 2026 Overview
| Recruiting Organization | Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) |
| User ID | STNCHS000035 |
| Post Names | Graduate Apprentices & Technician (Diploma) Apprentices |
| Total Vacancies | 108 Posts |
| Training Duration | One Year (12 Months) |
| Application Mode | Online via NATS Portal |
| Eligible Domicile | Candidates hailing from Tamil Nadu |
| Official Portal | nats.education.gov.in |
CMWSSB Apprenticeship 2026 Important Dates
| Event | Date |
| Online Application Start Date | September 17, 2026 |
| Last Date to Enroll on NATS Portal & Apply | October 17, 2026 |
| Declaration of Shortlisted Candidates List | Fourth week of October 2026 |
| Certificate Verification at CMWSSB, Chennai | First week of November 2026 (Tentatively) |
CMWSSB Apprentice 2026 Vacancy Details
Chennai Metropolitan Water Supply and Sewerage Board has announced 108 apprenticeship positions for the 2026–27 training cycle. The vacancies are divided into 76 Graduate Apprentice posts and 32 Technician Diploma Apprentice posts across Civil, Mechanical, and Electrical and Electronics Engineering streams.
| Category | Discipline | Vacancies |
| Category I: Graduate Apprentices | Civil Engineering / Mechanical Engineering | 52 |
| Category I: Graduate Apprentices | Electrical and Electronics Engineering | 24 |
| Category II: Technician (Diploma) Apprentices | Civil Engineering | 10 |
| Category II: Technician (Diploma) Apprentices | Electrical and Electronics Engineering | 22 |
| Total | 108 |
CMWSSB Apprentice 2026 Education Details
Graduate Apprentices: A full-time Degree in Engineering or Technology in the relevant discipline granted by a Statutory University or an Institution empowered by an Act of Parliament, or equivalent qualification recognized by the Government.
Technician (Diploma) Apprentices: A full-time Diploma in Engineering or Technology in the relevant discipline granted by a State Council or Board of Technical Education, or a recognized University/Institution.
Year of Passing: Candidates must have passed their qualifying examination in 2022, 2023, 2024, 2025, or May 2026.
Domicile Eligibility: Candidates must hail from Tamil Nadu.
Prior Experience Bar: Applicants who have already undergone or are currently undergoing NATS/NAPS apprenticeship or have 1 year or more job experience are not eligible.
Salary
Selected candidates will receive a fixed monthly stipend for the one-year training duration as follows:
Graduate Apprentices: Rs. 12,300/- per month
Technician (Diploma) Apprentices: Rs. 10,900/- per month
Age Limit
The age limit for applicants will strictly follow the standard rules prescribed under the Apprenticeship Rules. Category-wise reservations (SC/ST/OBC/PwD) will be applied as per statutory guidelines.
Selection Process
The selection process involves the following key stages:
Shortlisting: The Board of Apprenticeship Training (Southern Region) will prepare a merit shortlist based on the percentage of marks obtained in the qualifying Degree or Diploma examination.
Intimation: Shortlisted candidates will be notified via their registered email address, and the shortlist will be hosted on the NATS website.
Document Verification: Shortlisted candidates must report in person for Certificate Verification at CMWSSB, Chennai.
Application Fee
There is no application fee required to apply for CMWSSB Apprentice Recruitment 2026 through the NATS portal.
CMWSSB Apprentice Recruitment 2026 How to Apply
Go to the official NATS portal at
nats.education.gov.in.Click on “Student” and complete the registration process if you are a new applicant to obtain your 12-digit Enrollment Number.
Log in using your registered email address and password.
Navigate to the section titled “Apply against advertised vacancies”.
Search for “CHENNAI METROPOLITAN WATER SUPPLY AND SEWERAGE BOARD” (User ID: STNCHS000035).
Ensure your percentage of marks (or CGPA converted via CGPA x 10) is entered accurately and your provisional degree/diploma certificate or consolidated marksheet is uploaded.
Click “Apply” to submit your application for the notification.
Confirm that the application status changes to “Applied”.
Official Links
| CMWSSB Apprentice Recruitment 2026 Official Notification PDF | Click Here |
| CMWSSB Apprentice Apply Online Link | Click Here |


