| Period |
Direct Supervisor |
Name of Organization |
Business Scope |
| Japanese Govenment Dynasty |
Taiwan Governor-General's Office |
Yilan Jhuoshushi River Maintenance Works Office, National Land Bureau |
Hydraulic and flood control works of Lan Yang River |
| October, 1945 |
Mining and Manufacturing Administration, Taiwan Provincial Administration Commission |
Three Engineering Office, Public Construction Bureau |
Same as above. |
| May, 1947 |
The Department of Reconstruction, Taiwan Provincial Government |
Yilan Engineering Office, Bureau of Water Conservancy |
Same as above. |
| September, 1956 |
The Department of Reconstruction, Taiwan Provincial Government |
First Engineering Administration, Bureau of Water Conservancy, Taiwan Provincial Government |
Improvement projects of province-administered rivers and secondary rivers, coastal protection and gathering/analysis of hydrological data within the jurisdiction. |
| January, 1998 |
The Department of Water Conservancy, Taiwan Provincial Government |
First River Management Bureau, Taiwan Provincial Government |
Improvement projects of province-administered rivers and secondary rivers, coastal protection and gathering/analysis of hydrological data within the jurisdiction. |
| July, 1999 |
Water Conservancy Agency, Ministry of Economic Affairs |
First River Management Bureau, Water Conservancy Agency, Ministry of Economic Affairs |
Improvement projects of province-administered rivers and secondary rivers, coastal protection and gathering/analysis of hydrological data within the jurisdiction. |
| March 2002 |
Water Resources Agency, Ministry of Economic Affairs |
First River Management Office, Water Resource Agency, Ministry of Economic Affairs |
Improvement projects of province-administered rivers and secondary rivers, coastal protection and gathering/analysis of hydrological data within the jurisdiction. |