| Address | District | Phone & Email |
|---|---|---|
| Office of the Chief Hydrographer Hydrographic Survey Wing Aryankuzhi Road Kamaleswaram Thiruvananthapuram – 695009 |
Thiruvananthapuram | chhswkerala@gmail.com chtvm.hsw@kerala.gov.in |
| Office of the Assistant Marine Surveyor Hydrographic Survey Wing Vizhinjam Azhakulam – 695521 |
Thiruvananthapuram | amshswvizhinjam@gmail.com |
| Office of the Assistant Marine Surveyor Hydrographic Survey Wing Neendakara – 691582 |
Kollam | amsknr.hsw@kerala.gov.in |
| Office of the Marine Surveyor Hydrographic Survey Wing Asramam Kollam – 691002 |
Kollam | msklm.hsw@kerala.gov.in |
| Office of the Assistant Marine Surveyor Hydrographic Survey Wing Alappuzha – 688525 |
Alappuzha | amsalp.hsw@kerala.gov.in |
| KIHAS Panangad P.O. Fisheries University Campus Ernakulam – 682506 |
Ernakulam | kihashsw@gmail.com |
| Office of the Assistant Marine Surveyor Hydrographic Survey Wing Kottappuram Kodungallur Thrissur – 680667 |
Thrissur | amskdu.hsw@kerala.gov.in |
| Office of the Marine Surveyor Hydrographic Survey Wing Beypore P.O. Kozhikode – 673015 |
Kozhikode | msbpr.hsw@kerala.gov.in |
| Office of the Assistant Marine Surveyor Hydrographic Survey Wing Azhikkal P.O. Kannur – 670009 |
Kannur | amsknr.hsw@kerala.gov.in |