Lagoons at the sewerage treatment plant in Puerto Cortes, Honduras. The plant was financed by an IDB loan to the Municipality of Puerto Cortés. (Photo Chris Jennings)

Aeration basins, San Fernando Sewage Treatment Plant, Medellín, Colombia. The construction of the plant was financed by an IDB loan. (Photo Chris Jennings)

Sludge digestors at the San Fernando Sewage Treatment Plant, Medellín, Colombia. The construction of the plant was financed by an IDB loan. (Photo Chris Jennings)

Public consultation in EPSAS offices, Bolivia, Periurban Water Program. The Program is being financed by an IDB loan. (Photo Chris Jennings)

Control room. Plant for recovering energy from gravity pipeline, Quito, Ecuador. (Photo Chris Jennings)

Potable water treatment plant for ETAPA, the water and sewerage utility, Cuenca, Ecuador. (photo Chris Jennings)

Foam reduction sprays at the wastewater treatment plant for ETAPA, the water and sewerage utility, Cuenca, Ecuador. (Photo Chris Jennings)

Control room computer showing raw water delivery pipelines replaced after Hurricane Mitch. The materials and installation were financed with and IDB loan. (Photo Chris Jennings)

Outlet valve chamber, Ricaurte wastewater pumping station, Agus de Cartagena, Colombia. The sewage project was financed by an IDB loan. (Photo Chris Jennings)