200-300 people. According to the inquiry of China Water Conservancy Museum in official website, as of July 26th, 2023, China Water Conservancy Museum has 200-300 employees. China Water Conservancy Museum is a national-level trade museum directly under the Ministry of Water Resources, aiming to publicize the historical achievements and great achievements of the people in water conservancy, carry forward the spirit of water conservancy, inherit water conservancy culture and popularize water conservancy knowledge.