Source of natural water is groundwater from reservoir Obrne.
Water system supplies drinking water for the inhabitants of the settlement Obrne.
Informations of water system Obrne
| Quality monitoring | comply with applicable law |
| Water treatment | Yes, UV-desinfection |
| Spreading rate of water resources | 1,5 l/s |
| Water hardness | 10,4 °dH (medium hard) |
| Water temperature at source | 9,8–11,6 °C |
| pH-value | 8 |
| The electrical conductivity at 20 °C (dissolved salt in the water) | 247 |
| Number of residents | approx. 60 |
| Pumping stations | 0 |
| Dischargers | 0 |
| Water storage | 1 |
| The average consumption of water per year | 2.400 m3 |
| Total lenght of water system | approx. 1.750 m |
| Material of water pipes | PE |
| Number of hydrants | 3 |
|
Number of households water connections |
approx. 30 |