Maitai South at above old intake

Flow for last 7 days at Maitai South at Old Intake

Flow for last 7 days at Maitai South at Old Intake
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Note

All times are in NZ Standard Time, during Daylight Saving add one hour.

Flow for last 30 days at Maitai South at Old Intake

Flow for last 30 days at Maitai South at Old Intake

River flow history

Catchment size: 17.8 km2

Period of analysis: 20 February 1981 to 31 July 2019

Comment: This is a Nelson City Council site. It is located on the South Branch of the Maitai River above the water supply scheme and as such measures the natural flow. Drought flow analysis begins with current site that has operated since 1995. Flood analysis combines information from a proceeding site the operated from 1981 to 1995.

  Flood flows Drought flow
Return Period  (m3/s)  1 day average 7 day average
 Annual 43.1 0.154 0.168
 5 Year 55.2 0.123 0.129
 10 Year 65.0 0.113 0.116
 20 Year 74.4 0.105 0.106
 50 Year 86.6 0.098 0.096
 100 Year      
 Extreme Recorded

91.5

23/02/1995

0.085

01/05/2001 

0.086

28/04/2001

 

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Disclaimer

Tasman District Council has exercised all reasonable skill and care in collecting and displaying this information. However, the data is provisional, and may be incorrect until checked by staff. Data should be used with caution where there are safety, monetary, or operational consequences if the data is incorrect. Note also, the data may be changed at a later time.