SA River Murray Flood Preparedness and Risk Assessment

400 homes inundated30,000 sandbagsWell preparedNo calls for assistanceNo injury / death by flood

• SA Govt created a lot of public information:• www.sa.gov.au portal to coordinate• DFW Flow Advice, Flood Watch, water levels,inundation maps, infrastructure, riverbank collapses• SES ‘Enjoy the River … but keep safe’ campaign• SA Water river levels including flows to SA and hotline• DTEI navigational hazards• Health Public disease warnings• DENR closures of parks, trails, campsites

TOR 1: Debrief from the 2011 flood

Flood Advice, Watch and Warning• Up to 40,000 ML/day at borderNo issues• 40,000 – 60,000 ML/dayLocks become drowned out• 60,000 – 100,000 ML/dayShack areas / floodplains flooded, towns OK• 100,000 ML/day or moreRiver in flood

Flood Warning HierarchyFlow at Border200,001 ML/day or more130,001 to 200,000 ML/day100,001 to 130,000 ML/day60,001 to 100,000 ML/daySA River MurrayMajor Flood –River MurrayModerate Flood -River MurrayMinor Flood -River MurrayHigh Flow –River Murray40,001 to 60,000 ML/day High Flow – River MurrayShack Areas(between Cadell and Mannum )Excluding River Murray townsMajor Flood –River MurrayModerate Flood –River MurrayMinor Flood –River MurrayMinor Flood –Shack Areas40,000 ML/day or below Normal Flow Range, no warnings

TOR 5: Roles and Responsibilities for InfoDataForecastsIntelligenceWarningsResponseCommunityResponse

2008Renmark ParingaStudy

16 February2012

Thank You