page
Doc. No: 2906170
TARANAKI REGIONAL COUNCIL MONTHLY RAINFALL AND RIVER REPORT FOR October 2021
Provisional Data Only
Note: some sites record a number of parameters
Table 1: Rainfall at 27 sites throughout the region
Station Sub-region
Monthly Year to Date
Records
Began Number of rain
days (>0.5mm)
Total Monthly
Rainfall (mm)
% of Monthly
Normal (%)
Total to date
(mm)
% of Normal for
year to date
% of average full
calendar year
Nth
required basis.
The second larger pond is unlined.
The size of the pond provides storage for a 10% annual exceedance rainfall event (AEP) event. The
maximum discharge rate from the pond during large rainfall events is 1,060L/s as this is dictated by the size
of the outfall pipe (750mm). However, there is also provision for the pond to overflow via a spillway
structure to a discharge swale (i.e. bypassing the 750mm discharge pipe).
At the time of the application it was indicated that, as a
performance for consent 10247-1.1 17
Table 10 Evaluation of environmental performance over time 18
List of figures
Figure 1 Sampling site locations, Everett Road Quarry 10
Figure 2 Discharge rates from Civil Quarries stormwater system, plotted against rainfall in 10 minute
interval totals. The red line is the consented discharge rate limit 12
Figure 3 Abstraction rates from Civil Quarries Emergency pump. The red line is the consented
abstraction rate limit 13
List of
page
Monthly Year to Date
Hydro_Sites
# days >
0.5 mm
Total Rainfall
(mm)
% of typical
month
Total to date
(mm)
% of typical
year to date
% of typical
full year
Records
Began
North Egmont at
Visitors Centre
14 342.5 70.0 1544.0 94.2 23.0 1991
Dawson Falls 14 379.5 105.9 1641.5 147.5 *36.5 1933
Kahui Hut 17 280.5 72.2 1101.5 92.3 22.8 2006
Mangorei Upper 10 112.0 41.9 1061.5 128.7 29.7 2017
Hillsborough 5
page
Doc. No: 2882775
TARANAKI REGIONAL COUNCIL MONTHLY RAINFALL AND RIVER REPORT FOR October 2021
Provisional Data Only
Note: some sites record a number of parameters
Table 1: Rainfall at 27 sites throughout the region
Station Sub-region
Monthly Year to Date
Records Began Number of rain
days (>0.5mm)
Total Monthly
Rainfall (mm)
% of Monthly
Normal (%)
Total to date
(mm)
% of Normal for
year to date
% of average full
calendar year
Nth
forming a tributary of the much larger Mimitangiatua awa
catchment. It runs from south-east to north-west. Almost the entire valley formed by the Stream is owned
by the Company, and consists of steep eroded hillsides, multiple side gullies, and small river flats distributed
along its length. The area receives more rainfall than the northern Taranaki coastline to the south-west. Soils
are generally poor and highly erodible. Patches of bush and planted trees cover most of the hillsides, with
the
page
Doc. No: 2978685
TARANAKI REGIONAL COUNCIL MONTHLY RAINFALL AND RIVER REPORT FOR January 2022
Provisional Data Only
Note: some sites record a number of parameters
Table 1: Rainfall at 27 sites throughout the region
Station Sub-region
Monthly Year to Date
Records Began Number of rain
days (>0.5mm)
Total Monthly
Rainfall (mm)
% of Monthly
Normal (%)
% of Normal for
year to date
Nth Egmont Ntnl Park (North) 6 68.0 17 1 Nov 1990
Dawson Falls
page
Doc. No: 2935274
TARANAKI REGIONAL COUNCIL MONTHLY RAINFALL AND RIVER REPORT FOR November 2021
Provisional Data Only
Note: some sites record a number of parameters
Table 1: Rainfall at 27 sites throughout the region
Station Sub-region
Monthly Year to Date
Records Began Number of rain
days (>0.5mm)
Total Monthly
Rainfall (mm)
% of Monthly
Normal (%)
Total to date
(mm)
% of Normal for
year to date
% of average full
calendar year
Nth
Manawa Energy Patea HEP Annual Report 2022-2023
page
Doc. No: 2859146
TARANAKI REGIONAL COUNCIL MONTHLY RAINFALL AND RIVER REPORT FOR August 2021
Provisional Data Only
Note: some sites record a number of parameters
Table 1: Rainfall at 27 sites throughout the region
Station Sub-region
Monthly Year to Date
Records Began Number of rain
days (>0.5mm)
Total Monthly
Rainfall (mm)
% of Monthly
Normal (%)
Total to date
(mm)
% of Normal for
year to date
% of average full
calendar year
Nth