The River Water Quality Reports are published annually by the Environmental Protection Department (EPD). They summarise the river water data collected by EPD's long-term monitoring programme during the year. The following Annual River Water Quality Reports in portable document format (PDF) are available for direct viewing or download. The PDF files should be viewed with the software Acrobat Reader 5.0 or above (Chinese Traditional Font Pack may be required if the English version of Acrobat Reader is used).

2007	2006	1986-2005	2004
2003	2002	2001	2000
	1999	1998

http://www.adobe.com/products/acrobat/readstep.html -- (Reader) http://www.adobe.com/products/acrobat/cjkfontpack.html -- (Font Pack)