Site name Hauraki Awahou
Grid Reference 38°00’21”S 38°01’43”S
176°11’03”E 176°07’54”E
Year DB constructed October 2011 June 2012
Topography of catchment Flat, rolling and hill Mainly rolling
Size of DB catchment (ha) 55.0 19.7
Area of DB catchment downstream of inflow monitoring (ha) 8.3 1.8
Height of bund at spillway (m) 1.56 1.80
Height of upstand riser (m) 1.36 1.60
DB pond volume at spillway 7,110 m3 2,244 m3
Ratio of pond volume to catchment area (m3:ha) 129:1 114:1
Pond area when pond filled to spillway 12,221 m2 2,940 m2
Measured infiltration rates inside and outside ponding areaa (mm/h)
Inside: 19 Outside: 36 Inside: 12 Outside: 37
Soil classifications
New Zealand: Buried-allophanic Orthic Pumice USA: Vitric Hapludand New Zealand: Typic Orthic Podzols USA: Andic Haplohumod