sentences:  These tariffs are not regulated, but to some extent controlled by competition between aguateros serving neighboring areas.Unlike in many other countries, local Juntas are well organized and do not only recover operating and maintenance costs, but also expand their systems using their own resources and repay a portion of capital costs to the national treasury.According to data collected by the Pan-American Health Organization based on multi-purpose household surveys, the share of water expenditures in household expenditures in urban areas of Paraguay was the lowest among 10 countries in Latin America and the Caribbean in the late 1990s.