Shag River at The Grange

Alert Levels for this site

Alert Title Alert Details Alert Type Alert Threshold Level
Flood First flood warning High level 31.00

Last 7 days flow in cumecs

Last 180 days flow in cumecs


Site information 

Start of Record Wednesday, 11 October 1989
Catchment Area 319km2
3 Highest Recorded Flows (cumecs) 427.8 (1993), 278.8 (1994), 233.9 (1990)
3 Lowest Recorded Flows (cumecs) 0.02 (2004), 0.03 (1999), 0.05 (1998)
Mean Annual Low Flow 0.175 m3/s
Lowest 7 Day Low Flow 0.025 m3/s
End of Calculation Period Monday, 1 January 2007

Information displayed on this web site is provisional and has not been checked using the Council’s Quality Assurance procedures. The Otago Regional Council, Contact Energy, Trustpower, Environment Canterbury, Environment Southland and NIWA do not make any warranty, expressed or implied or assume legal liability or responsibility whatsoever for the accuracy or completeness of this information nor does it make any representation whatsoever that the information is fit for any particular purpose.

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