Water conservancy major mainly involves knowledge of hydrology, hydraulics, water resources utilization, hydrometeorology, etc. It is one of the important disciplines of national economic and social development. The following is some information about the ranking of domestic water conservancy majors in recent years:

1. Tsinghua University Water Conservancy Department: Tsinghua University Water Conservancy Department has a long history, with specialties such as hydraulics, hydrology, water resources and hydrometeorology.

2. College of Water Conservancy and Civil Engineering of China Agricultural University: The college has specialties such as hydraulics and mountain and river development, hydrology, water resources and environment, water conservancy and hydropower engineering, soil and water conservation and water environment, hydrometeorology, etc.

3. State Key Laboratory of Water Conservancy and Hydropower Engineering Science of Wuhan University: Water conservancy discipline is one of the key development directions of the laboratory, involving research on hydropower stations, hydropower generation and water resources.

4. School of Water Conservancy and Civil Engineering, Beijing University of Posts and Telecommunications: The college has specialties such as hydraulics and water energy utilization, hydrology, soil and water conservation, water resources and environment.

5. School of Water Conservancy and Hydropower, South China University of Technology: The college has specialties such as hydraulics and water energy utilization, hydrology, water resources and environment, soil and water conservation, and water environment.

The above rankings are for reference only and do not represent absolute authority. Different ranking criteria may be different.