Managing our Environment

We are switching to a new environmental data portal. This portal will give you access to even more data for this site with easy-to-use interactive maps.

Start using it now to see the latest data for Clutha River at Balclutha.

Clutha River at Balclutha - Flow

Alert Levels for this site

Alert Title Alert Details Alert Type Alert Threshold Level
Flood First flood warning High level 1140
Flood Second flood warning High level 1680
Flood Third flood warning High level 1850
Flood General flood emergency High level 2310
Flood Potential spill into Barnego High level 3090
Flood Potential spill into Balclutha High level 5710

Last 7 days flow in cumecs

Last 180 days flow in cumecs

Last 180 days water temperature shown in degrees celsius

Our new Environmental Data Portal offers you a much better experience while viewing the most up-to-date environmental data, including flood warnings, low flows and water quality data. This data is a live copy of the data held in the Council’s environmental monitoring database.

The portal will allow you to view all historic data available for a site, plus you can download quality assured data. The maps also provide better context and are easier to navigate. 

Visit our Environmental Data Portal.


Site information 

Start of Record Wednesday, 7 July 1954
Catchment Area 20582km2
3 Highest Recorded Flows (cumecs) 4581 (1978), 4167 (1999), 3420 (1995)
3 Lowest Recorded Flows (cumecs) 37.05 (1956), 94.66 (1960), 102.7 (1978)
Mean Annual Low Flow 272 m3/s
Lowest 7 Day Low Flow 180 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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