Hydrometric gauging services at stations in the upper Nalón basin

Summary

Tragsa is procuring hydrometric gauging services at four stations in the upper Nalón basin in Asturias to measure river flows and verify, calibrate and update stage–discharge curves. The 38-month contract covers 40 measurements in low-flow channels and 40 measurements across complete station sections, using suitable gauging equipment and methods. Each measurement includes fieldwork, data processing and validation, and a technical report; no lots are used.