The document presents statistical information for expenditures on public works in the area of water and sewage for the Coquimbo Region. It discusses these expenditures under different governments, focusing in the periods 1976 to 1984 and 1990 to 2000. These investments are important for both social and productive purposes. The document notes that expenditures on infrastructure are directly related to the country?s economic growth and the role of state as a facilitator for capital investments.