| 2025 |
Nakdong River Basin National Groundwater Monitoring Network Inspection and Maintenance Service |
K-water |
| 2025 |
Nakdong River Basin National Groundwater Monitoring Network Inspection and Maintenance Service |
K-water |
| 2024 |
Nakdong River Basin National Groundwater Monitoring Network Inspection and Maintenance Service |
K-water |
| 2023 |
Han River Basin National Groundwater Monitoring Network Inspection and Maintenance Service |
K-water |
| 2022 |
Yeongsan River Basin Groundwater Monitoring Network around Weirs Inspection and Maintenance Service |
K-water |
| 2022 |
Geum River Basin Groundwater Monitoring Network around Weirs Inspection and Maintenance Service |
K-water |
| 2022 |
Han River Basin National Groundwater Monitoring Network Inspection and Maintenance Service |
K-water |
| 2021 |
Geum River Basin Groundwater Monitoring Network around Weirs Inspection and Maintenance Service |
K-water |
| 2021 |
Nakdong River Basin National Groundwater Monitoring Network Inspection and Maintenance Service |
K-water |
| 2021 |
Han River Basin National Groundwater Monitoring Network Inspection and Maintenance Service |
K-water |