Flood levels of the Hawkesbury River recorded at Windsor Bridge for floods 9.15 metres (30 feet) and over

Year Height
(m)
Height
Feet & ins.
Year Height
(m)
Height
Feet & ins.
1799 March 15.25 50' 1895 January 9.30 30'6"
1800 March
12.20
40'
1898 February
9.61
31'6"
1806 March
14.64
48'
1900 July
14.08
46'2"
1806 August
14.33
47'
1904 July
12.22
40'1"
1806 October
9.15
30'
1916 October
10.83
35'6"
1809 May
14.64
48'
1922 July
9.45
31'
1809 August
14.49
47'6"
1925 June
11.36
37'3"
1816 June
13.88
45'6"
1934 February
9.15
30'
1817 February
14.03
46'
1943 May
10.11
33'2"
1819 February
14.03
46'
1949 June
11.97
39'3"
1819 June
14.03
46'
1950 March
9.20
30'2"
1857 July
9.91
32'6"
1950 April
9.20
30'2"
1857 August
11.44
37' 6"
1950 June
9.45
3 l'
1860 April
11.21
36'9"
1952 June
9.35
30'8"
1860 July
10.45
34'3"
1952 June
11.61
38'1"
1860 November
10.98
36'
1952 August
9.71
31'10"
1864 June
9.91
37'6"
1955 May
9.76
32'
1864 July
10.98
36'
1956 February
13.70
44'11"
1867 June
19.26
63'2"
1956 February
11.56
37'11"
1869 May
11.21
36'9"
1956 March
9.81
32'2"
1870 April
13.72
45'
1956 June
9.53
31'3"
1870 May
10.83
35'6"
1961 November
15.10
49"6"
1871 May
11.21
36'9"
1963-4 New gauge reduced
305 mm (1' approx)
1873 February
12.66
41'6"
1964 June
14.51
47'7"
1875 June
11.82
38'9"
1969 November
10.06
33'
1877 May
9.15
30'
1974 May
10.28
33'9"
1879 September
10.52
34'6"
1978 March
14.31
46'11"
1879 September
13.91
43'3"
1978 June
9.55
31'4"
1889 May
11.74
38'9"
1986 August
11.30
37'6"
1890 March
12.12
39'9"
1988 April
12.65
41'6"
1890 March
10.52
34'9"
1988 July
10.74
35'3"
1891 June
10.83
35'6"
1990 April
9.80
32'2"
1894 March
9.68
31'9"
1992 February
11.00
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: Disastrous Decade by Michelle Nichols (Deerubbin Press 2001).


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