1. Solid Waste Management Rules 2070
2. Rural Water Supply and Sanitation Policy_2004
3. National Water Supply and Sanitation Policy_2014
4. National Conference on Climate change and WASH
5. Environment Protection Act, 2053
6. Environment Protection Rules, 2054
7. National Urban Water Supply and Sanitation Sector Poicy, 2009
9. Nepal Drinking Water Quality Standard 2005
10. Nepal Khanepani Sansthan Act 2046
11. Nepal Khanepani Byabasthapan Board
12. Khanepani Mahasul Nirdharan Aayog