Bolivia's environment and water ministry (MMAyA) will carry out 31 potable water and sanitation project in El Alto city this year, according to minster Mabel Monje Villa.
MMAyA will invest some 290mn bolivianos (US$41.6mn) in the works, the ministry said in a release.
"Nine important basic sanitation projects are currently being built with an investment of 52.5mn bolivianos," Monje said.
The ministry expects to begin construction on another 22 projects this year, which have secured financing totaling 237mn bolivianos, Monje added.
MMAyA carried out 29 projects worth 151mn bolivianos from 2006-10 in the city that neighbors capital La Paz, in which eight out 10 residents now have domestic potable water connections and six out of 10 have sewerage service.
Through end-2011 the ministry will have invested some 444mn bolivianos in 60 water and sewerage projects. The work will have added 321km of potable water pipeline and 151km of sewerage pipeline, benefitting 1.2mn residents, the release said.