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130% full Wivenhoe releasing 1660 cubic metres per second

OPEN SEASON: Water is released from the floodgates at Wivenhoe Dam yesterday.
OPEN SEASON: Water is released from the floodgates at Wivenhoe Dam yesterday. Claudia Baxter

AS IPSWICH continues its clean up from the floods, the Newman Government continues to manage Wivenhoe Dam.

Releases from Wivenhoe Dam will continue over the weekend as SEQwater continues to drop the dam level after the deluge of rain dumped by ex-tropical Cyclone Oswald.

Hundreds of millimetres of rain were dumped on Ipswich, drenching the region only weeks after the two-year anniversary of the 2011 floods.

Wivenhoe Dam reached its highest storage level on Wednesday morning, with the dam holding 133% of its capacity.

This has since dropped, with releases yesterday reducing dam levels to 130%.

An SEQwater statement said water was being released at a rate of approximately 1660 cubic metres per second, increased from 300 cubic metres per second on January 25.

The releases forced the closure of Colleges Crossing, Twin Bridges and Savages Crossing on Saturday. The bridges will remain closed until next week.

During the peak of heavy rain from the ex-tropical cyclone on Sunday, Wivenhoe Dam's capacity went from 89% to 119% - or three metres - in 24 hours.

Much of the concern of Ipswich residents surrounded the rising Bremer River, which reached a peak of 19.5m in the 2011 floods, flooding hundreds of homes.

Graphs provided by the Bureau of Meteorology show the Bremer River peaked at a height of just under 14m before midnight on Tuesday; more than 5m lower than in 2011.

Lockyer Creek peaked before noon on Monday at 15m.

Releases from Wivenhoe Dam began on January 25 and fell to 88% before Oswald arrived.

 

FLOOD SURGE: Images provided by the Bureau of Meteorology show the rise of the Bremer River and Lockyer Creek in this week&squot;s flood.
FLOOD SURGE: Images provided by the Bureau of Meteorology show the rise of the Bremer River and Lockyer Creek in this week&squot;s flood.

 

FLOOD SURGE: Images provided by the Bureau of Meteorology show the rise of the Bremer River and Lockyer Creek in this week&squot;s flood.
FLOOD SURGE: Images provided by the Bureau of Meteorology show the rise of the Bremer River and Lockyer Creek in this week&squot;s flood.

Topics:  bureau of meteorology, campbell newman, ex-tropical cyclone oswald, seqwater, water releases, wivenhoe dam


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