Research data supporting the assessment of groundwater–tunnel interaction in pressurized tunnels: HPP Pirot, Serbia

The data are organized according to the five-stage diagnostic methodology presented in the associated manuscript and include: Total loss tests, including historical measurements and the results of the test presented in the study. Calculations of the circulation index (CI) and permeability coefficient (Kp).

Hydrochemical screening data as in-situ physico-chemical measurements. Continuous groundwater and pore-pressure monitoring data from piezometers.