Cyclone Gita - Updates from our Recovery Manager and NZTA

Read the latest from the Recovery Manager, plus details of increasing access to SH60 over Takaka Hill.

Riwaka Sth at Moss Bush - River Flow

This page contains the following information:

Flow for last 7 days at Riwaka Sth at Moss Bush

Back to Top


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

Flow for last 30 days at Riwaka Sth at Moss Bush

View Archived Data

River Flow History

Catchment size: ~46 km2

Period of analysis: 01 January 1962 to 01 April 2016

Comment: Drought flows are influenced by several smaller springs. The catchment is estimated due to the karst formation of the area.

  Flood FlowsDrought Flow
Return Period (m3/s) 1 day average7 day average
 Annual   52.0 0.541 0.568
 5 Year   67.3 0.410 0.425
 10 Year   79.8 0.366 0.377
 20 Year   91.7 0.333 0.341
 50 Year 107.2 0.300 0.309
 100 Year 118.7 0.280 0.283
 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.