operating
procedure. Notifications to Council were expected throughout the entire process. All resource consent
conditions were compliant at the time of inspection.
11 May 2021
A site inspection was carried out in overcast weather with light wind conditions. Heavy rain had been noted
in days prior to the visit, and this had resulted in some ponding within the bunded areas, however there
were no visible hydrocarbons present. All major works to re-line the bunds had been completed, with only
(Pohokura AEE Vol 3).
f. Cliff erosion
Sedimentary rocks in cliffs in the ‘papa’ areas of north and south Taranaki are relatively
young geologically speaking, so are soft, unconsolidated and easily eroded. Cliffs with
waves lapping at the base at high tide are vulnerable to episodic erosion events with the
steep faces falling away catastrophically. Compounding this process is groundwater seepage
through the cliffs which intensifies after heavy rain. When the top layers are saturated, they
outfall. Stormwater from the tankage area is pumped over into the process sewers which flow to the
storm pond. The stormwater falling on the non-process areas of the western half of the site (Figure 1) is
directed by “v” ditches running alongside the roads to a dam/pond and then out to the Tasman Sea via the
Manu Stream. Stormwater falling on the eastern side of the site is directed to unnamed tributaries of the
Waihi Stream via outfalls and a small sedimentation pond.
The sludge lagoons
K Raine
N W Walker
C S Williamson
Apologies Councillor M P Joyce
Notification of Late Items
Item Page Subject
Item 1 4 Confirmation of Minutes
Item 2 11 Consents and Regulatory Committee Minutes
Item 3 18 Policy and Planning Committee Minutes
Item 4 24 Executive, Audit and Risk Committee Minutes
Item 5 30 Consultation Document and Supporting Documentation for the
2018/2028 Long-Term Plan
Item 6 102 Policy and Planning Committee - vacancy Taranaki
PM2.5 concentration 17
Figure 13 Comparison of the diurnal variation in PM2.5 concentration during different seasons 17
page
iii
Figure 14 Pearson’s correlation matrix of PM2.5 with different meteorological variables 18
Figure 15 Pollution rose for entire monitoring period 20
Figure 16 A comparison of wind roses for days falling into different PM2.5 air quality categories 20
Figure 17 Daily time series of PM2.5 for the monitoring period. 21
Figure 18 …
is less than 1 % of the allocated take through resource
consents.
Rain water is also collected and stored for stock and domestic use.
There are 21 rural water supply schemes in the region that serve stock, domestic water
and in some cases industrial use and mean farmers do not have their own intake
systems. In this case the
take is concentrated at
one point rather than
being spread through a
catchment.
Figures 1 and 2 show
rural water supply
Pukeiti 2,814 (+207) 3,644
Hollard Gardens 2,161 (+125) 2,278
Towards Predator-Free Taranaki 1,601 (+16) 10,314
Yarrow Stadium 3,713 (0) 1,946
Enviroschools 482 (+25) 19
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1 Wowzers. It won't surprise anyone to see there was A LOT of
rain in February. Most of it fell over just a couple of
weekends, the 5th to 7th and the 11th to 13th. Our sites
recorded between 178% and 702% of normal rainfall, with an
average of 354%.
[Taranaki
on
the LU to minimise
stock induced soil
damage.
High risk of slips
during rain events
on the steeper
slopes contributing
sediment into
waterways.
Medium risk
grazing animals
creating sediment
loss through
pugging and run
off.
High risk Sediment
contains nutrients
and pathogens.
Water
bodies
Stock
exclusion
Riparian
management
Temporary fences are
installed to keep
stock out of
waterways when
intermittent streams
are flowing.
Medium
year-round monitoring and
compliance, even at times when it would
be foolhardy to swim because of weather
and/or dangerous currents and flows,
imposes significant costs but with little
purpose or community benefit.
� Proposed broad-brush national
requirements for excluding stock from
waterways fall short of what is actually
required to reduce faecal contamination,
and risk undermining successful and
proven local initiatives such as Taranaki’s
award-winning riparian
applied (mm) m3 of effluent
Total 105.1 - 24,083
2.3.2.3 Method of irrigation
The effluent from the piggery is pumped to storage pond prior to land application. The Company
communicated that three different delivery systems were used during the 2021-2022 monitoring year:
1. Dribble bar – main method of effluent application, depths applied (~3 mm)
2. ‘Weta’ travelling rain gun – used to apply effluent to the Sand Dune block at 8mm depths during 8
months of the year.
3. Slurry tank