diverted to the Waiaua River leaving the flow from 72 hectares of the Hihiwera
Stream catchment to pass on downstream through the Opunake urban area.
The 1% AEP flood flow in the existing Hihiwera catchment has been determined to be 12.3
cumecs. The diversion to the Otahi will be 4 cumecs and the diversion to the Waiaua will be
4.7 cumecs leaving 3.6 cumecs in the channel at Whitcombe Road to pass on downstream
through the Opunake urban area.
The smaller channel, known as the
3.2.9 Waitara River 72
Mamaku Road site (WTR000850) 72 3.2.9.1
Community composition 73 3.2.9.2
Temporal trends in 1995 to 2011 data 74 3.2.9.3
Discussion 75 3.2.9.4
3.2.10 Mangati Stream 76
Site downstream of railbrige (MGT000488) 76 3.2.10.1
Te Rima Place, Bell Block (MGT000520) 78 3.2.10.2
Discussion 81 3.2.10.3
3.2.11 Waimoku Stream 82
Lucy’s Gully (WMK000100) 82 3.2.11.1
Oakura Beach (WMK000298) 85 3.2.11.2
Discussion 87 3.2.11.3
3.2.12 Waiau Stream 89
Inland
2 0.07 - - 3 0.04
Inanga
( ) - - - - 1 0.01
Common smelt
( )
- - - - - -
Brown trout
( )
- - 1 0.02 - -
Shrimp
(P )
- - - - Present
Seine
netting
Inanga
( )
- - - - 1 0.01
Common smelt
( ) 39 0.20 - - 72 0.8
Total number of species 4 - 3 - 6 -
Total number of fish 52 0.23 28 0.47 154 0.91
page
page
Summary and conclusions
page
o
o
o
References
acroform
Total
weight
50 kg
Equivalent pigs
Sows 180 162 29,160 583
Gilts 24 150 3,600 72
Boars 18 160 2,880 58
Weaners ( 8 – 10 weeks) 150 18 2,700 54
Total 372 38,340 767
The Company specialised in growing eight to ten weeks old weaners for the market and do not produce
fattening pigs at the piggery. Significantly less effluent is produced by not growing fattening pigs.
Piggery wastewater was collected from various collection sumps situated around the piggery. Raw
Civil Quarries Ltd Everett Road Quarry
Small reference site box,
outlined in red, is enlarged to show the Waikekeho Stream and Uruti River 69
Figure 8 Locations of groundwater monitoring wells RNZ Uruti 72
Figure 9 Irrigation areas and stream culverts RNZ Uruti 73
Figure 10 Total ionic sodium concentrations in groundwater 2018-2023 90
Figure 11 Total ammoniacal nitrogen concentrations in groundwater 2011–2023 91
Figure 12 Total nitrate-nitrite concentrations in groundwater 2011–2023 92
Figure 13 Total
network &
Operation Nest Egg. Established 2003
9,000 ha protected, 72 kiwi released
2. Community traplines - Mangorei & Maude
tracks. Supported and maintained by
enthusiastic volunteers
page
ENP project
page
CKP projects require
• Long-term commitment of landowners /
communities
• Tremendous input of volunteer time
page
Both CKP & ENP projects provide
protected sites for future release of
kiwi from our