Mexico:  Water and Wastewater Equipment and Services Industry. By Francisco Ceron, May/2007. U.S. Commercial Service.

Mexico has 32 States, a total of 2, 446 municipalities (including 16 districts of Mexico City). There are a total of 199,369 localities in the county; 178 have 50,000 or more inhabitants; 2,863 with 2,500 to 49,999 inhabitants; and 196, 328 with less than 2,500 inhabitants. At the end of 2006, 89.2 percent of the total population (over 103 million) had access to running water in their homes and 76.2 percent had sewage systems. Of the total availability of water, 77.0 percent is used by the agricultural sector, 9 percent by the industrial and services sector, and 14 percent is for the consumption of the population.

At the end of 2006, of the total wastewater collected in municipal and industrial wastewater treatment plants, only 36 percent received some type of treatment and only 10 percent was for reuse.
 

Click here for full text