The article deals with the issues of economic development of the economy of the Republic of Moldova in the context of its environment. As the economy of any state develops, there is an increase in harmful effects on the environment. To protect the environment it is important to minimize air and water pollution, waste generation and soil contamination. The activities of water supply, waste treatment and waste management enterprises directly affect the environment. Therefore, the paper analyzes the economic development of these enterprises, as well as their impact on the improvement of the environment of the Republic of Moldova. The results of the performed analysis showed that the enterprises of water supply, waste treatment and recovery works of the Republic of Moldova have internal reserves to improve their activity and the prospects of this field are optimistic.