# A2.2 Catchment management and source water protection Australian Water and Wastewater Association (1999). Catchment Management Workshop Proceedings. Adelaide. United States Environmental Protection Agency. Source water protection. Further references available at: . United States Environmental Protection Authority (1999). Protecting sources of drinking water: selected case studies in watershed management. USEPA, Washington DC. Available at: . United States Environmental Protection Authority (1999). Guidance manual for conducting sanitary surveys of public water supply systems; surface water and groundwater under the direct influence (GWUDI). Available at: . World Health Organization (WHO) (2016). Protecting surface water for health. Identifying, assessing and managing drinking-water quality risks in surface-water catchments. Edited by Rickert B, Chorus I, Schmoll O. ISBN 978 92 4 151055. World Health Organization. Geneva, Switzerland. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/appendices/appendix-2/a2.2-catchment-management-and-source-water-protection.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.