Phase 1 of the sanitary landfill occupies 50,021.11 m2, with
a maximum depth of 6 m and a minimum of one. The entire
area features a 30cm clay layer and is covered with a highdensity
1.5 mm polyethylene membrane. It also features a
lixiviates network, 660 m of 15”-diameter perforated and
number-three gravel covered pipes, and a 2250 m2, 4 mdeep
lixiviate pool with 7812 m3 storage capacity.
Phase 2 features a 52,446.93 m2 area with minimum 1 m
and maximum 6 m depth and a complete 30 cm clay covering
beneath a 1.5 mm high-density polyethylene membrane.
It also features a lixiviates network, 660 m of 15”-diameter
perforated and number-three gravel covered pipes,
and a 2250 m2, 4 m-deep lixiviate pool with 7812 m3 storage
A preliminary study was undertaken in collaboration with the
Vice-Minister of Transportation with regard to bus routes and
various stations, travel times, rider numbers, etc. A company
was hired to analyze bus exhaust pipes. New route implementation
is not yet complete, but superfluous traffic has
The mountains that surround Santa Ana have been declared
protected zones but are largely deforested. Land lease for
grain cultivation has been prohibited.
Most city greenspaces are assembled as compensation for
other urban development projects. In general, these areas
are handed over without improvements and local government
must invest from scratch.