Local governments across the nation are using more PPPs, but three main reasons cause the failure of many.
The councilors want the utility in the Brazilian city to charge for the exact amount used.
Rationing in the city began in 2015.
The island's public-private partnership authority unveiled the names of shortlisted candidates for two contracts.
The transport ministry will spend US$10mn on works at two "critical" points of the Bogotá-Villavicencio road.