flow is the flow entering the head of the lake (at Mangamingi) and equates
to flows from the Patea River and Mangaehu River catchments above Mangamingi.
page
9
Figure 2 Synthesized hourly mean inflow at Lake Rotorangi for the period 1 July 2011 to 30 June 2012
Jul-2011 Sep-2011 Nov-2011 Jan-2012 Mar-2012 May-2012
6
20
40
60
80
100
120
140
160
180
200
220
240
260
S
y
n
th
e
ti
c
I
n
fl
o
w
(
m
3
/s
e
no abstractions from the Waiongana Stream in relation to the Waitara industrial supply during
the 2016-2017 monitoring period (contingency only).
2.3.2 Stream flow data
Consent 0026-3, to take water from the Mangatete Stream in the Kaihihi catchment for public water supply
purposes, includes the following two conditions:
Condition 6
When the flow in the Mangatete Stream, measured beneath the Saunders Road bridge, is less than 180
L/sec for a period of seven or more consecutive
are presented in Appendix V. The location of the sampling sites in relation to the
lagoon are shown in Figure 6.
0
20
40
60
80
100
120
140
160
180
0
1
2
3
Jul/2014 Oct/2014 Jan/2015 Apr/2015
FC
(n
o.
/1
00
m
l)
TA
C
(g
/m
3 )
DateFaecal coliform bacteria Total available chlorine
TAC concentration limit
page
17
Figure 6 Sludge lagoon showing location of NPDC’s groundwater bore and drain sampling
graphically in Figure 7. The
data indicates that wellhead pressures generally fluctuate between 23 and 27 bar and that injection
increased substantially in the latter part of the year. Maximum pressures and volumes follow a similar
0
10
20
30
40
50
60
70
80
90
100
110
120
0
20
40
60
80
100
120
140
160
180
200
220
240
ba
r
m
3
Daily volume (m³) Pressure limit (115 bar) Maximum wellhead injection pressure (bar) …
purposes, includes the
following two conditions:
Condition 10
When the mean daily flow in the Mangatete Stream at the Saunders Road bridge is less than 180 L/sec for a
period of seven or more consecutive days, the consent holder shall enforce ‘level 1’ water restrictions. These
restrictions may only be lifted when the mean daily flow is greater than 180 L/sec for a period of seven or
more consecutive days. ‘Level 1’ restrictions include:
a. a total ban on using sprinklers, irrigation …
STDC Eltham Central Landfill baseline monitoring report 2017-2018
STDC Water Supplies Annual Report 2022-2023
TAG Oil (NZ) Ltd groundwater monitoring report 2013 - Taranaki Regional Council.
Greymouth Petroleum Turangi-C hydraulic fracturing monitoring report 2016-2017
Greymouth Petroleum deep-well injection consent monitoring report 2016-2017