Flood levels of the Hawkesbury River recorded at Windsor Bridge, floods 9.15 metres (30 ft) and over. Major floods shown in bold.
Year | Month | Height (m) | Height (ft&ins) |
1799 | March | 15.25 | 50′ |
1800 | March | 12.2 | 40′ |
1806 | March | 14.64 | 48′ |
1806 | August | 14.33 | 47′ |
1806 | October | 9.15 | 30′ |
1809 | May | 14.64 | 48′ |
1809 | August | 14.49 | 47′ 6″ |
1816 | June | 13.88 | 45′ 6″ |
1817 | February | 14.03 | 46′ |
1819 | February | 14.03 | 46′ |
1819 | June | 14.03 | 46′ |
1857 | July | 9.91 | 32′ 6″ |
1857 | August | 11.44 | 37′ 6″ |
1860 | April | 11.21 | 36′ 9″ |
1860 | July | 10.45 | 34′ 3″ |
1860 | November | 10.98 | 36′ |
1864 | June | 9.91 | 37′ 6″ |
1864 | July | 10.98 | 36′ |
1867 | June | 19.26 | 63′ 2″ |
1869 | May | 11.21 | 36′ 9″ |
1870 | April | 13.72 | 45′ |
1870 | May | 10.83 | 35′ 6″ |
1871 | May | 11.21 | 36′ 9″ |
1873 | February | 12.66 | 41′ 6″ |
1875 | June | 11.82 | 38′ 9″ |
1877 | May | 9.15 | 30′ |
1879 | September | 10.52 | 34′ 6″ |
1879 | September | 13.91 | 43′ 3″ |
1889 | May | 11.74 | 38′ 6″ |
1890 | March | 12.12 | 39′ 9″ |
1890 | March | 10.52 | 34′ 6″ |
1891 | June | 10.83 | 35′ 6″ |
1894 | March | 9.68 | 31′ 9″ |
1895 | January | 9.3 | 30′ 6″ |
1898 | February | 9.61 | 31’6″ |
1900 | July | 14.08 | 46′ 2″ |
1904 | July | 12.22 | 40′ 1″ |
1916 | October | 10.83 | 35′ 6″ |
1922 | July | 9.45 | 31′ |
1925 | June | 11.36 | 37′ 3″ |
1934 | February | 9.15 | 30′ |
1943 | May | 10.11 | 33′ 2″ |
1949 | June | 11.97 | 39′ 3″ |
1950 | March | 9.2 | 30′ 2″ |
1950 | April | 9.2 | 30′ 2″ |
1950 | June | 9.45 | 31′ |
1952 | June | 9.35 | 30′ 8″ |
1952 | June | 11.61 | 38′ 1″ |
1952 | August | 9.71 | 31′ 10″ |
1955 | May | 9.76 | 32′ |
1956 | February | 13.7 | 44′ 11″ |
1956 | February | 11.56 | 37′ 11″ |
1956 | March | 9.81 | 32′ 2″ |
1956 | June | 9.53 | 31′ 3″ |
1961 | November | 15.1 | 49′ 6″ |
1963 | New gauge reduced by 305mm | ||
1964 | June | 14.51 | 47′ 7″ |
1969 | November | 10.06 | 33′ |
1974 | May | 10.28 | 33′ 9″ |
1978 | March | 14.31 | 46′ 11″ |
1978 | June | 9.55 | 31′ 4″ |
1986 | August | 11.3 | 37′ 6″ |
1988 | April | 12.65 | 41′ 6″ |
1988 | July | 10.74 | 35′ 3″ |
1990 | April | 9.8 | 32′ 2″ |
1992 | February | 11 | 36′ 1″ |
Flood types and effects:
- MINOR – From about 5.8 m
Causes inconvenience, minor roads & low-level bridges affected. - MODERATE – From about 6.9m
Overbank flow occurs with damage to low lying homes and farms. North Richmond bridge closes at 8.4m and Windsor Bridge at 6-9m. - MAJOR – From about 12.2m
Widespread inundation. Large areas flooded, towns & properties isolated & waters encroach. Extensive damage and hardship can occur.
Source: Flood Levels from Hawkesbury Gazette, Sydney Gazette & Macquarie Country. Description from Civic News August 1988, p. 9, inserted in the Hawkesbury Gazette 1988.
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-1.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-2.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-3.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-4.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-5.jpg)
1961 Flood before (below) and after (above) photos (6 weeks apart) taken from the top of the old skin sheds looking over the stables behind the Riverstone Meatworks.
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-7.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-9.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-10.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-11.jpg)
[courtesy of B. Allison].
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-12.jpg)
![](http://www.riverstonehistoricalsociety.org.au/blog/wp-content/uploads/Major-Floods-in-Riverstone-13.jpg)