lead to more severe and more
intense extreme rainfall events in
the region with annual rainfall in
the north increasing by 5–10% this
century. Certain areas of the region
are more prone to flooding from
heavy rainfall than others, including
the Waitara Township and the
Waiwhakaiho and Waitōtara valleys.
The Regional Council owns and operates, or provides maintenance on, flood control schemes for the Lower
Waitara and Waiwhakaiho rivers, the Waitōtara River, and the
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Executive summary
OMV NZ Production Ltd (OMV), previously Shell Exploration NZ Ltd, operates a hydrocarbon production
station and associated wellsites, located on Lower Otaraoa Road at Motunui in the Waipapa and Manu
catchments. This report for the period July 2021 to June 2022 describes the monitoring programme
implemented by the Taranaki Regional Council (the Council) to assess OMV’s environmental and consent
compliance performance during the
Taranaki Biodiversity Forum Accord 2012 - Taranaki Regional Council
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Remediation NZ Ltd Uruti
Waitara and Pennington Road
Monitoring Programme
Annual Report
2017-2018
Technical Report 2018-79
Taranaki Regional Council
ISSN: 1178-1467 (Online) Private Bag 713
Document: 2137784 (Word) STRATFORD
Document: 2151902 (Pdf) March 2019
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Executive summary
Remediation NZ Ltd (the
Receiving water inspections and sampling showed that the discharges
were not causing any adverse effects on the Waitara River or Mangahewa Stream at the time
of monitoring.
Biomonitoring in the Mangahewa Stream found that the community health at the upstream
site ranged from above average health in summer to average health in autumn. The
downstream site community health was of average health with lower indicator values than the
previous year. Hydrocarbons from historical contamination were not
visual clarity improved at
seven of the 13 sites monitored (54%), with only three sites
degrading (23%). Improvement occurred at all lower and
most mid ring plain sites, and the Mangaehu hill country
site. Degradation occurred in the Stony-Hangatāhua River
(due to headwater erosion within Te Papakura o Taranaki),
an upper ring plain site (Manganui) and a combined hill
country and ring plain site (lower Waitara River). Further
analysis is necessary to determine the
tributary 8 September 2020 36
Table 16 Western tributary 26 January 2021 37
Table 17 Spot sample lower site INH000440 western tributary 2020-2021 monitoring period 38
Table 18 2019-2021 comparison loading rates of wastewater and fertiliser 40
Table 19 Irrigation area groundwater monitoring well information 41
Table 20 GND1054 2020-2021 monitoring period 42
Table 21 GND1056 2020-2021 monitoring period 43
Table 22 GND1057 2020-2021 monitoring period 44
Table 23 GND1058
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Executive summary
Greymouth Petroleum Ltd (GPL) operates the Kaimiro Production Station located at Inglewood, in the
Waiongana catchment, and the associated Ngatoro-A satellite wellsite also located at Inglewood, in the
Waitara catchment. Radnor Production Station is also operated by GPL and this is located at Midhirst in the
Patea catchment.
This report for the period July 2021 to June 2022 describes the monitoring programme implemented by the
Taranaki Regional
CDEM Joint Committee March 2024
Officers’ comments
Priority 1 = SH3/3A NP-Hāwera safety
Priority 2 = SH3 Bell Block-Waitara safety
Priority 3 = Coastal Path to Waitara
Priority 4 = Coronation - Cumberland lights NP
Priority 5 = Brecon Rd extension Stratford
Priority 6 = Underpass (SH45) & lights (SH45, SH3)
Preferred priority ranking noted. Refer to Table 1 where
submitters’ individual project priorities have been collated,
to provide a summary of views provided during the
consultation process.
1.3 Your comments