> For the complete documentation index, see [llms.txt](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6.md).

# Chapter 6: Physical and Chemical Quality of Drinking Water

- [6.1 Introduction](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.1-introduction.md)
- [6.2 Physical quality of drinking water](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.2-physical-quality-of-drinking-water.md)
- [6.2.1 An overview of physical characteristics](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.2-physical-quality-of-drinking-water/6.2.1-an-overview-of-physical-characteristics.md)
- [6.2.2 Approach used in derivation of guidelines values for physical characteristics](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.2-physical-quality-of-drinking-water/6.2.2-approach-used-in-derivation-of-guidelines-values-for-physical-characteristics.md)
- [6.3 Chemical quality of drinking water](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.3-chemical-quality-of-drinking-water.md)
- [6.3.1 Inorganic chemicals](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.3-chemical-quality-of-drinking-water/6.3.1-inorganic-chemicals.md)
- [6.3.2 Organic compounds (Revised 2011)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.3-chemical-quality-of-drinking-water/6.3.2-organic-compounds-revised-2011.md)
- [6.3.3 Approach used in derivation of guideline values for chemicals](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.3-chemical-quality-of-drinking-water/6.3.3-approach-used-in-derivation-of-guideline-values-for-chemicals.md)
- [6.4 Differences between Australian and WHO guideline values](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.4-differences-between-australian-and-who-guideline-values.md)
- [6.5 National and international guideline values (2016)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.5-national-and-international-guideline-values-2016.md)
- [6.6 References](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-2/chapter-6/6.6-references.md)