Riwaka at Hickmotts - River Flow

This page contains the following information:

Flow for last 7 days at Riwaka at Hickmotts

Back to Top


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

Flow for last 30 days at Riwaka at Hickmotts

View Archived Data

River Flow History

Catchment size: ~ 82 km2

Period of analysis: 26 January 1994 to 20 February 2018

Comment: The catchment area is topographical only due to karst formation of the area.

 Flood FlowsDrought Flow
Return Period (m3/s) 1 day average7 day average
 Annual 104.4 0.862 0.900
 5 Year 133.9 0.658 0.691
 10 Year 158.0 0.589 0.619
 20 Year 181.0 0.539 0.567
 50 Year      
 100 Year      
 Extreme Recorded







Back to Top

Map of Site Location

View Larger Map

Back to Top


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.