these charges can be modified by the parliament acteon however the availability of good accessible data and information on water varies across brazilian states preventing effective decision making in terms of who gets water where and when and who pays for what oecd b this causes some issues with the enforcement of different water quality regulations and abstraction rules within the same interstate basin where two or more water management bodies are in charge of different sections of a river the difference in terms of rates across federal and state domains and the consequences on water quantity and quality management where charges are not applied even within the same state the difference in the levels of expertise capacity and knowledge across agencies with consequences on the ability to set and effectively implement charges at the moment plans do not set clear priorities or criteria that define available water resources and drive allocation decisions for hydropower development irrigation extension and domestic and industrial use amongst others