 Between 1990 and 2004, access to sanitation increased from 82% to 86%, but access to water increased only slightly from 92% to 93%.In particular, coverage in rural areas lags behind.Furthermore, despite improvements, the quality of water and sanitation services remains inadequate.For example, only 72% of those receiving public services receive water of potable quality and in 2006 only 25% of the wastewater generated in the country underwent any kind of treatment.