Village	Character	Model	Model Character		Crux
Village	Character	Model	Drainagepipes	Sewage treatment facilities	Crux
Lilin Village	Along Yellow River	Original Model	No	No	Economic development is limited, and funds for sewage treatment are insufficient. Lack of attention from local governments. Villagers’ enthusiasm and satisfaction don’t match.
Seven Village	Along Yellow River	Development Model	Yes	No	The level of economic development is relatively high, but there is no substantial progress in domestic sewage treatment. Low awareness of domestic sewage treatment. Lack of publicity and guidance of sewage treatment. The comfort zone of farmers is difficult to break. Sewage treatment policies have not been implemented. Villager participation is low.
Tianzhuang Village	Not along Yellow River	Mature Model	Yes	Yes	For the time being, the recycling of water resources of sewage has not been achieved. Low transparency of sewage treatment data indicators. Low degree of digitalization
Dongdi No. 2 Village	Not along Yellow River	Mature Model	Yes	Yes	Sewage treatment is underfunded and relies on higher authorities The sewage treatment project application has been delayed