Since 2021, GOTTA has been supporting Gramalote Colombia Limited with the diagnosis, installation, operation, and verification of the hydrological measurement and monitoring network for the Gramalote mining project. During this time, we have assisted our client with the management, operation, verification, hydrometric measurements, and hydrotopographic surveys; calibration and preventive and corrective maintenance of equipment; construction of calibration curves; and with the construction of infrastructure for the installation of hydrological stations.