Shoalhaven lake and river entrance update - 9.00am Monday 4 July 2022
Published on 01 July 2022
There is currently a Flood Warning for Minor flooding in the Lower Shoalhaven River. Renewed heavy rainfall during Sunday has caused further stream rises, and renewed minor flooding is occurring along the Shoalhaven River.
Further rainfall is forecast during Monday into Tuesday, which may cause further river level rises and prolonged flooding.
At 8.15am today the Lower Shoalhaven River was 2.66m AHD at Nowra and 1.0m AHD at Shoalhaven Heads and continues to rise. The Bureau of Meteorology have advised that river levels are likely to reach 3m AHD during Monday afternoon.
The next high tide is around 12.15pm today. At 8.15am today water levels were rising in the Upper Shoalhaven River and Kangaroo River.
There is a Minor Flood Warning for St Georges Basin at Sussex Inlet and Island Point Road. The water level at Island Point Road may reach the minor flood level (1.2m AHD) on Monday afternoon. The water level at Sussex Inlet may reach the minor flood level (0.90m AHD) around midday today on the high tide.
With regard to Council managed lake and river entrances; the Shoalhaven River at Shoalhaven Heads, Lake Conjola, Burrill Lake and Tabourie Lake are all open to the sea.
The water level in Swan Lake had risen to 1.75m AHD at 8am today and is rising. An entrance inspection will be undertaken this morning to determine the potential need for any mechanical intervention in accordance with the Swan Lake Entrance Management Policy if the lake reaches defined trigger levels.
Table 1 – Water level summary at key locations
|
Location
|
Entrance Condition
|
Monitoring Status
|
Get ready level (m AHD)
|
Emergency opening level (m AHD)
|
|
Lake Conjola
|
Open
|
Monitor
|
0.7
|
1.0
|
|
Burrill Lake
|
Open
|
Monitor
|
0.85
|
1.2
|
|
Lake Tabourie
|
Open but heavily shoaled
|
Monitor
|
0.85
|
1.3
|
|
Shoalhaven Heads (Shoalhaven River)
|
Open
|
Monitor
|
1.5
|
2.0
|
|
Swan Lake
|
Closed
|
Monitor
|
2.0
|
2.5
|
Council's Floodplain Management team will continue to monitor lake and river levels and provide updates as required.
For more information visit the Bureau of Meteorology website.
Please follow the Bureau of Meteorology links below for weather and water level information:
New South Wales Warnings Summary
Latest River Heights for the NSW South Coast
BOM Weather Radar
Interactive Weather and Wave Forecast Maps
Forecast Rainfall Map
MetEye - comprehensive weather tool
Council is reminding residents that anyone needing assistance should contact the SES on 132 500.
Flood safe information can be accessed from the SES FloodSafe website.