'Near to final' draft for independent review - 9 May 2016 The site-specific flow indicators for the Narran Lakes UEA are in the table below. For each indicator, the flow indicator gauge is at Wilby Wilby on the Narran River. Site-specific flow Without SFI low SFI high Baseline Maximum spell Maximum spell indicator (SFI) development uncertainty uncertainty frequency under without under baseline frequency frequency frequency development 3.2 years 7.5 years 25,000 ML inflow volume 0.7 years between 1 year between 1.3 years 1.3 years between over 60 days an event (average) an event between an an event (average) (average) event (average) 50,000 ML inflow volume 0.9 years between 1.3 years 2.6 years 1.9 years between 3.3 years 7.9 years over 90 days an event (average) between an between an an event (average) event (average) event (average) 154,000 ML inflow volume 2 events in 79% of Twice in 8 years Twice in 10 2 events in 20% of N/A N/A over the first 90 days of the all 8 year periods; years all 8 year periods; event 2 events in 90% of 2 events in 27% of all 10 year periods all 10 year periods 250,000 ML inflow volume 6.5 years between 10 years 12 years 16 years between 30 years 55 years over 180 days an event (average) between an between an an event (average) event (average) event (average) Page 108
'Near to final' draft for independent review - 9 May 2016 The site-specific flow indicators for the Narran Lakes UEA are in the table below. For each indicator, the flow indicator gauge is at Wilby Wilby on the Narran River. Site-specific flow indicator (SFI) Without development frequency SFI low uncertainty frequency SFI high uncertainty frequency Baseline frequency Maximum spell under without development Maximum spell under baseline 25,000 ML inflow volume over 60 days 0.7 years between an event (average) 1 year between an event (average) 1.3 years between an event (average) 1.3 years between an event (average) 3.2 years 7.5 years 50,000 ML inflow volume over 90 days 0.9 years between an event (average) 1.3 years between an event (average) 2.6 years between an event (average) 1.9 years between an event (average) 3.3 years 7.9 years 154,000 ML inflow volume over the first 90 days of the event 2 events in 79% of all 8 year periods; 2 events in 90% of all 10 year periods Twice in 8 years Twice in 10 years 2 events in 20% of all 8 year periods; 2 events in 27% of all 10 year periods N/A N/A 250,000 ML inflow volume over 180 days 6.5 years between an event (average) 10 years between an event (average) 12 years between an event (average) 16 years between an event (average) 30 years 55 years Page 108
EWR-Condamine-Balonne-draft.docx