Catchment Areas

River Section Catchment Areas in square kms.

In general the higher the number the higher the expected flow but also the longer the reaction time to rainfall.

Waiwhakaiho (Peters Road) 18.58

Kai Ahuwai Stream(Top of Hill Road) 14.55

Kai Ahuwai Stream(Alfred Road) 35.83

Mid Waiwhakaiho (SH3) 63.42

Mangorei Stream (Morgan Rd) 8.32

Mangorei Stream (Burgess Park) 32.49

Lower Waiwhakaiho (Burgess Park) 113.79

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Kiri Stream (Carrington Rd) 6.21

Oakura (Carrington Rd) 4.50

Oakura (SH45) 42.47

Manganui (Bristol Road) 246.32

Manganui (Hole in Hedge) 293.23

Waitara (Manganui Confluence) 1,104.64

Stony (National Park Boundary) 38.90

Stony (Wiremu Road) 42.84