Flood Warning Communications During Dam Outflows

How SunWater manages flood warning communications during dam outflows

Please note that information in the below table is complementary to local Council and Local Disaster Management Group’s notifications and warnings.

Example Situation SunWater Actions Where you can find info from SunWater Typical messages from SunWater

PREPAREDNESS

High rainfall event possible, no certainty but possibility of dam outflow

  • Regular updated dam levels available on website
  • Notify local council of current dam level
  • Provide general community update regarding dam levels
  • SunWater Facebook Page
  • Twitter @SunWaterLimited
  • SunWater Website
  • SunWater App

To local council:

  • Current dam level

To general community and registered EAP downstream residents (near dam):

  • Reference to BOM forecast
  • Current dam level

DAM OUTFLOWS POSSIBLE

  • Notify LDMG & Police
  • Notify registered EAP downstream residents (near dam)
  • Issue general community update
  • SMS (registered EAP downstream residents near dam)
  • SunWater Facebook Page
  • Twitter @SunWaterLimited
  • SunWater Website
  • Local Radio Stations
  • SunWater App

To local council, LDMG & Police:

  • Current dam level & if levels are increasing

To general community and registered EAP downstream residents (near dam):

  • Possible or expected dam outflows & potential for flooding
  • Review your emergency plan

DAM OUTFLOWS UNDERWAY

  • Notify LDMG & Police
  • Notify registered EAP downstream residents (near dam) that outflows have commenced
  • Issue general community update

To local council, LDMG & Police:

  • Current dam level
  • Dam outflows have commenced

To general community and registered EAP downstream residents (near dam):

  • Dam outflows have commenced
  • Review/enact your emergency plan/know when to evacuate

FLOODING OCCURRING NEAR DAM

  • Notify LDMG & Police
  • Notify registered EAP downstream residents (near dam) of dam outflows and flooding is expected
  • Issue general community update

To local council, LDMG & Police:

  • Dam outflows are occurring (including rate)
  • Downstream flooding is expected

To general community and registered EAP downstream residents (near dam):

  • Dam outflows are occurring
  • Flooding downstream is expected
  • Recommended action required

OTHER DAM INCIDENTS

(e.g. major earthquake)

  • Liaise with State Disaster Coordination Centre
  • Issue general community advice via state’s emergency alert system
  • Description of situation at dam
  • Enact your emergency plan /move to higher ground

DAM OUTFLOWS CEASED

Flooding may still be underway downstream and across catchment

  • Notify registered EAP downstream residents (near dam) that dam outflows have ceased
  • Issue general community update as required

To local council, LDMG & Police:

  • Current dam level
  • Monitor dam levels on SunWater website

To general community and registered EAP downstream residents (near dam):

  • Dam outflows have ceased
  • Further updates will be provided is dam outflows are likely to recommence