1. World Health Organization. Sanitation. 2022. https://www.who.int/news-room/fact-sheets/detail/sanitation.
2. United Nations, Department of Economic and Social Affairs. Goal 6. Sustainable Development. https://sdgs.un.org/goals/goal6. (Retrieved 2023)
3. Ervin J. Indigenous communities: advocates in providing clean water for all. United Nations Development Programme. 2019. https://www.undp.org/blog/indigenous-communities-advocates-providing-clean-water-all.
4. Division of Sanitation Facilities Construction. Office of environmental health and engineering. Indian health service. Annual report to the Congress of the United States on sanitation deficiency levels for Indian homes and communities. 2019. https://www.ihs.gov/sites/newsroom/themes/responsive2017/display_objects/documents/FY_2019_RTC_Sanitation_Deficiencies_Report.pdf.
5. Indian Health Service. Safe water and waste disposal facilities. 2021. https://www.ihs.gov/newsroom/factsheets/safewater/.