environmental data - General terms and conditions
The enclosed information is the highest quality data the Taranaki Regional Council (the Council) is currently able to provide. Some or all
of the data being provided may not yet have been audited however, and is therefore subject to change.
As we endeavour to continuously improve our products, we also reserve the right to further amend data where necessary and without
notice at any time. As a result, the information supplied to you now may not be
for the previous 12 months.
In addition to the Register, elected members may make a declaration of any interest or conflicts during a
meeting according to the requirements of the Local Authorities (Members’ Interest) Act 1968. These are
recorded in the minutes of the meeting, which are available on the agenda and minutes section of our
website.
How the Register works
Elected members are provided with a declaration form to complete annually, once returned, a summary of
the environment resulting from the exercise of the air discharge consents.
Ambient air quality monitoring at the Kapuni Production Station showed that levels of carbon monoxide,
particulate matter and nitrogen oxides were below levels of concern at the time of sampling. No offensive or
objectionable odours were detected beyond the boundary during inspections and there were no complaints
in relation to air emissions from the site.
For reference, in the 2023/24 year, consent holders were
monitoring year.
A glossary of common abbreviations and scientific terms, and a bibliography, are presented at the end of
the report.
1.1.3 The Resource Management Act 1991 and monitoring
The RMA primarily addresses environmental ‘effects’ which are defined as positive or adverse, temporary or
permanent, past, present or future, or cumulative. Effects may arise in relation to:
a. the neighbourhood or the wider community around an activity, and may include cultural and social-
economic
noted on the environment resulting from the exercise of the air discharge
consent. The ambient air quality monitoring at the Maui Production Station showed that levels of carbon
monoxide, combustible gases, PM10 particulates, and nitrogen oxides were below levels of concern at the
time of sampling. No offensive or objectionable odours were detected beyond the boundaries during
inspections.
For reference, in the 2023/24 year, consent holders were found to achieve a high level of
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not likely to be from abrasive
blasting or asphalt manufacturing processes. Deposited dust levels likely represent normal levels for an
industrial area.
The consents also require that the companies complete various administrative actions including maintaining
and updating air quality management plans, and in the case of Downer EDI Ltd conduct testing of emissions
from the asphalt plant.
During the year, Downer EDI Works Ltd demonstrated a high level of environmental and administrative
1.1 Background
Trustpower has commenced a reconsenting process for the Mangorei Hydro-Electric Power Scheme
(the scheme or HEPS) in Taranaki. Currently, information is being gathered to assess potential effects
of the scheme on (among other things) aquatic ecology and water quality. Part of this process includes
an assessment of the scheme on fish entrainment and fish screening, which is the focus of this report.
This report does not address whether it is practicable to retrofit the HEPS with
information is the highest quality data the Taranaki Regional Council (the Council) is currently able to provide. Some or all
of the data being provided may not yet have been audited however and is therefore subject to change.
As we endeavor to continuously improve our products, we also reserve the right to further amend data where necessary and without
notice at any time. As a result, the information supplied to you now may not be the same as that subsequently produced for you or any
other
concentrations in shallow
groundwater. This is in part a result of heavy applications of nitrogen (effluent) early in the life of the plant.
Current effluent application is considerably lower than historic application rates. However, nitrate
concentration in the soil profile underneath the irrigation areas and in the tributaries flowing through or
adjacent to the site remain elevated.
A narrow but concentrated plume of ammonia is present in the groundwater resulting from previous leaks