CMWSSB Apprentice Recruitment 2026: Chennai Metropolitan Water Supply and Sewerage Board (CMWSSB) has announced 108 apprenticeship training positions for eligible Engineering Graduates and Diploma holders. The training is for one year and is available in Chennai, Tamil Nadu. Candidates who belong to Tamil Nadu and completed the required qualification in 2022, 2023, 2024, 2025 or May 2026 can apply through the NATS portal. The last date to enroll and apply is 17 October 2026.

CMWSSB Apprentice Recruitment 2026 – Overview
| Organization Name | Chennai Metropolitan Water Supply and Sewerage Board |
| Post | Graduate Apprentice, Technician Diploma Apprentice |
| Total Training Places | 108 |
| Graduate Apprentice | 76 |
| Technician Diploma Apprentice | 32 |
| Training Duration | 1 Year |
| Application Mode | Online through NATS |
| Job/Training Location | Chennai, Tamil Nadu |
| Application Start | 17 September 2026 |
| Last Date | 17 October 2026 |
| Official Website | cmwssb.tn.gov.in |
- The recruitment is for apprenticeship training and is not a regular permanent job. Completion of training does not give a right to regular employment with CMWSSB.

CMWSSB Apprentice Recruitment 2026: Vacancy and Stipend
| Apprentice Category | Training Places | Monthly Stipend | Duration |
|---|---|---|---|
| Graduate Apprentice | 76 | ₹12,300 | 1 Year |
| Technician Diploma Apprentice | 32 | ₹10,900 | 1 Year |
| Total | 108 | — | 1 Year |
- The source divides the 108 positions into 76 Graduate Apprentices and 32 Technician Diploma Apprentices.
- Graduate Apprentices will receive ₹12,300 per month.
- Technician Diploma Apprentices will receive ₹10,900 per month.
CMWSSB Apprentice Recruitment 2026: Educational Qualification
Graduate Apprentice
- Candidates must have a full-time Degree in Engineering or Technology in the relevant engineering discipline.
- The degree must be from a statutory university, an institution empowered by an Act of Parliament, or an equivalent qualification recognized by the Central or State Government.
Technician Diploma Apprentice
- Candidates must have a full-time Diploma in Engineering or Technology in the relevant engineering discipline.
- The diploma must be issued by a State Council/Board of Technical Education, university, or a recognized equivalent institution.

Age Limit
- The age limit will be according to the applicable Apprenticeship Rules.
- The notification does not give a separate minimum or maximum age limit.
CMWSSB Apprentice Recruitment 2026: Selection Process
- Selection will be based on the percentage of marks obtained in the prescribed Degree or Diploma qualification.
- Eligible candidates will be shortlisted according to their qualification marks.
- Shortlisted candidates will be informed through their registered email address.
- Shortlisted candidates must attend certificate verification at CMWSSB, Chennai.
- The notification does not mention any written examination or interview.
Application Fee
- The source does not mention any application fee for this recruitment.
How to Apply for the CMWSSB Apprentice Recruitment 2026
Candidates Already Registered on NATS
- Visit the NATS 2.0 portal.
- Log in using the registered email ID and password.
- Open “Apply Against Advertised Vacancies.”
- Search for Chennai Metropolitan Water Supply and Sewerage Board.
- Select establishment user ID STNCHS000035.
- Check the qualification details and click the Apply option.
- Confirm that the application status shows “Applied.”
First-Time NATS Applicants
- Visit the NATS portal.
- Select Student.
- Click Student Register.
- Complete the registration process.
- Obtain the 12-digit NATS enrolment number.
- Log in with the registered email and password.
- Open “Apply Against Advertised Vacancies.”
- Search for CMWSSB.
- Select user ID STNCHS000035 and submit the application.
Important Dates
| Event | Date |
|---|---|
| Application Start Date | 17 September 2026 |
| Last Date to Enroll and Apply | 17 October 2026 |
| Shortlisted Candidates List | Fourth week of October 2026 |
| Certificate Verification | First week of November 2026, tentatively |
Important Links
CMWSSB Apprentice Recruitment 2026: FAQs
Q1. How many apprenticeship positions are available?
There are 108 positions, including 76 Graduate Apprentice and 32 Technician Diploma Apprentice positions.
Q2. What is the monthly stipend?
Graduate Apprentices will receive ₹12,300, while Technician Diploma Apprentices will receive ₹10,900 per month.
Q3. What is the last date to apply?
The last date to enroll and apply through the NATS portal is 17 October 2026.