| ID | Average δ18O (‰) | Average δD (‰) | Remarks |
| SG1 | −6.9 | −50.4 | Shallow groundwater along Bagmati River corridor |
| SG2 | −5.2 | −49 | |
| SG3 | −7.2 | −53.4 | |
| SG4 | −7.7 | −55.1 | Shallow groundwater along Bishnumati River corridor |
| SG5 | −4.8 | −69.8 | |
| SG6 | −6.6 | −59.3 | |
| SG7 | −7.1 | −55.0 | |
| R1 | −6.1 | −50.3 | Bagmati River water samples |
| R2 | −7.2 | −52.6 | |
| R3 | −6.0 | −49.6 | |
| R4 | −7.3 | −53.5 | Bishnumati River water samples |
| R5 | −4.4 | −71.3 | |
| R6 | −7.5 | −53.9 |