Spatial correlation and convergence of the development level of China's water ecocivilization is vital to its coordinated construction. Constructing an evaluation system of water eco-civilization construction, whose dimensions contain water security, water ecology, water environment, water conservation, water supervision and water culture, this paper adopts entropy methods to measure water eco-civilization development index of China and its 31 provincial-level regions from 2010 to 2018, uses exploratory spatial data analysis (ESDA) and space-time transition method to examine the spatio-temporal evolution patterns, and builds spatial panel Durbin model to reveal the spatial convergence. The results are obtained as follows.(1) The development index of China's water eco-civilization is increasing year by year, but water ecology, water supervision and water culture are still the main short boards. There are significant regional differences, showing a pattern of "high-low-medium" from east to west.(2) The development index of China's provincial water eco-civilization shows significant positive spatial spillover effect and spatial pattern locking characteristics. The high-high aggregation areas mainly include eastern coastal regions while the low-low ones mainly include northeast, northwest and southwest of China, and middle reaches of the Yangtze River, and the latter is difficult to realize the transition to HH-type provinces. (3) There exists significant α convergence, absolute β and conditional β convergence in China as well as in its eastern, central and western regions from 2010 to 2018, with the fastest in the eastern region referring to absolute β convergence and the fastest in the central region referring to conditional β convergence, while the western region is the slowest in both types of β convergences.(4) Economic development, population density, human capital and technological progress have significant effects on the convergence of China's water eco-civilization development, but there are obvious regional variations. Specific countermeasures and suggestions are put forward accordingly.
