Case studies Case studies Find stories that illustrate practical experiences gathered in the implementation of IWRM. Case studies are submitted by practitioners and professionals from all over the world and reviewed by the GWP knowledge management team. 0 case studies in comparison list You must have JavaScript enabled to use this form. Thematic Tagging Ecosystems/Nature-based solutions (-) Water services Facet Thematic Tagging Region Americas Country Costa RicaNicaraguaPanama IWRM Tools A2.04. The Rights of RiversA3.02. Basin Management PlansB1.01. Regulatory Bodies and Enforcement AgenciesC4.04. Pollution ChargesC4.06. Payments for Ecosystem ServicesD1.04. Water-Related Financial Disclosures Challenge Facet Challenge Sort by A → ZZ → AOldest firstNewest first Apply Case Study Costa Rica: Introducing water use charges to pay for environmental services 2013 compare