What is the fine-grained topic of the following text: They include statements that the river water was not tested before being distributed to residents, that an environmental order was improperly used to facilitate the financing of a planned move to a new regional water pipeline, and that two state-appointed emergency managers were ultimately the ones who decided to put the city's water treatment plant back into full service before it was ready. Only return the topic.
Mismanagement of a city's water supply