- Wastewater Effluent Standard, 2080
5-May-2023
- Norms of Rate Analysis for Laying and Jointing of Class 500 PVC - O Pipe
17-Mar-2023
- Quality Assurance and Quality Control Manual
25-Feb-2023
- Norms for consulting services related to water supply and sewerage works
21-Feb-2023
- Drinking Water Quality Standard 2022
21-Feb-2023
- English नेपाली