Historical data
2011 | 2010 |2009 |2008 | 2007 | 2006 | 2005 | Annual geometric means
2011 weekly water quality condition ratings and weekly E.coli results
- Lower Yarra weekly water quality condition ratings
(PDF 103KB) - Lower Yarra weekly E.coli results
(PDF 73KB)
- Middle Yarra weekly water quality condition ratings
(PDF 103KB) - Middle Yarra weekly E.coli results
(PDF 69KB)
- Upper Yarra weekly water quality condition ratings
(PDF 92KB) - Upper Yarra weekly E.coli results (PDF
59KB)

2010 weekly water quality condition ratings and weekly E.coli results
- Lower Yarra weekly water quality condition ratings
(PDF 91KB) - Lower Yarra weekly E.coli results
(PDF
58KB)
- Middle Yarra weekly water quality condition ratings
(PDF 91KB) - Middle Yarra weekly E.coli results
(PDF 60KB)
- Upper Yarra weekly water quality condition ratings
(PDF 91KB) - Upper Yarra weekly E.coli results
(PDF
58KB)
2009 weekly water quality condition ratings and weekly E.coli results
- Lower Yarra weekly water quality condition ratings
(PDF 36KB) - Lower Yarra weekly E.coli results
(PDF
46KB)
- Middle Yarra weekly water quality condition ratings
(PDF 35KB) - Middle Yarra weekly E.coli results
(PDF 46KB)
- Upper Yarra weekly water quality condition ratings
(PDF 36KB) - Upper Yarra weekly E.coli results
(PDF
39KB)
2008 weekly water quality condition ratings and weekly E.coli results
- Lower Yarra weekly water quality condition ratings
(PDF 42KB) - Lower Yarra weekly E.coli results
(PDF
44KB) 
- Middle Yarra weekly water quality condition ratings
(PDF 42KB) - Middle Yarra weekly E.coli results
(PDF 43KB) 
- Upper Yarra weekly water quality condition ratings
(PDF 42KB) - Upper Yarra weekly E.coli results
(PDF 44KB)
2007 weekly water quality condition ratings and weekly E.coli results
- Lower Yarra weekly water quality condition ratings
(PDF 39KB) - Lower Yarra weekly E.coli results
(PDF
18KB)
- Middle Yarra weekly water quality condition ratings
(PDF39KB) - Middle Yarra weekly E.coli results
(PDF 40KB)
- Upper Yarra weekly water quality condition ratings
(PDF39KB) - Upper Yarra weekly E.coli results
(PDF
18KB)
2006 weekly water quality condition ratings and weekly E.coli results
- Lower Yarra weekly water quality condition ratings
(PDF 39KB) - Lower Yarra weekly E.coli results
(PDF
18KB)
- Middle Yarra weekly water quality condition ratings
(PDF 40KB) - Middle Yarra weekly E.coli results
(PDF
18KB)
- Upper Yarra weekly water quality condition ratings
(PDF 40KB) - Upper Yarra weekly E.coli results
(PDF
18KB)
2005 weekly water quality condition ratings and weekly E.coli results
- Lower Yarra weekly water quality condition ratings
(PDF 58KB) - Lower Yarra weekly E.coli results
(PDF 68KB)
- Middle Yarra weekly water quality condition ratings
(PDF 58KB) - Middle Yarra weekly E.coli results
(PDF 51KB)
- Upper Yarra weekly water quality condition ratings
(PDF 58KB) - Upper Yarra weekly E.coli results
(PDF 51KB)
Annual geometric means
- Annual geometric means for 1999-2011
(PDF 27KB)