terms of E.
coli by 2030.
97% of lakes with a perimeter of 1.5 km or more to be in the blue, green or yellow category in terms
of E. coli by 2030.
Monitoring data and available information has improved since the initial targets were identified, and as such
these regional targets will be able to be revised as Council sets target attribute states in relation to human
contact attributes. Spatial water quality models have been utilized to assess current baseline state in
these categories are in the default
class.
Further, as the maximum amount of periphyton biomass is affected by the amount of nutrients in the water
column, the NPS-FM also requires councils to set appropriate in-stream concentrations and exceedance
criteria for dissolved inorganic nitrogen (DIN) and dissolved reactive phosphorus (DRP) to regulate
periphyton biomass growth (Ministry for the Environment, 2020).
Periphyton monitoring in the Taranaki region
In 2018, Taranaki Regional
page
Lake Rotorangi
State of the Environment Monitoring
Annual Report
2020-2021
Technical Report 2021-63
page
Taranaki Regional Council
Private Bag 713
Stratford
ISSN: 1178-1467 (Online)
Document: 2866790 (Word)
Document: 2886677 (Pdf)
November 2021
page
Lake Rotorangi
State of the Environment Monitoring
Annual Report
2020-2021
Technical Report 2021-63
Regulatory Committee
meeting of the Taranaki Regional Council held in the Taranaki Regional Council
chambers, 47 Cloten Road, Stratford on 6 June 2023 at 9.00am
b) notes the recommendations therein were adopted by the Taranaki Regional Council on
Tuesday 27 June 2023.
Matters arising
Appendices/Attachments
Document: 3177981 Minutes Operations and Regulatory Committee 6 June 2023.
Operations and Regulatory Committee - Confirmation of Minutes Operations and Regulatory
Clayton J, and
Edwards T. 2006. LakeSPI: A method for monitoring ecological condition in New Zealand lakes. User Manual Version 2.
National Institute of Water & Atmospheric Research: Hamilton, New Zealand. (see clause 1.8)
page
Lake SPI surveying in the Taranaki Region
In 2021, Taranaki Regional Council (TRC) engaged NIWA to survey three lakes (Lakes Kaikura, Mangawhio,
and Rotokare;) using LakeSPI (Table 3, Figure 1). These lakes were the first in the region to
points along the reach (four locations across five
transects if possible).
Baseline states for sediment
The NPS-FM requires all regional councils to identify baseline states for all attributes described in Appendix
2A and 2B of the NPS-FM within each Freshwater Management Unit (FMU). When compared against
national bottom lines and the relevant objectives for an FMU, baselines provide the reference point from
which councils must either maintain or improve an attribute, which
in the Taranaki region
Prior to 2022, lake monitoring undertaken by the Taranaki Regional Council largely focused on a single lake,
Lake Rotorangi. Lake Rotorangi is an artificial lake used for hydroelectric generation and monitoring has
been undertaken primarily for the purpose of compliance with resource consents associated with the
hydroscheme. Monitoring began in 1988 and included both water quality and biological monitoring.
Presently, water quality surveys are conducted
donna.cram@trc.govt.nz - Neil Walker (Deputy Chair): neil.walker@trc.govt.nz
Taranaki M ori Constituencyā Bonita Bigham: bonita.bigham@trc.govt.nz
info@trc.govt.nz
www.trc.govt.nz
TaranakiRegionalCouncil
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TalkingTaranakiRegional Council
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The 2023/24 Annual Plan builds on our work caring for
the region’s environment, controlling pest animals and
plants, managing three regional gardens,
in
Clapcott et al., 2017.
Quantitative Macroinvertebrate Community Index (QMCI/SQMCI)
The QMCI is the quantitative variant of the MCI, so also accounts for the relative abundance of taxa present
at a site. Note that while the NPS-FM requires QMCI as a numeric attribute state for macroinvertebrates,
Taranaki Regional Council (TRC) uses the semi-quantitative MCI value (SQMCI), which provides a similar
output and will be considered surrogate to QMCI in relation to the NPS-FM.
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