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Taranaki Regional Council Monthly Rainfall and Environmental
Data Report for November 2024
Note: The data presented here are provisional data only and may change as a result of quality control at a later date.
1. Rainfall
Map 1: November total rainfall (mm) and percentage of long-term mean (colour key).
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Map 1a. Total rainfall 1 January to end November (mm) and percentage of long-term mean (colour key).
Table 1: Rainfall November and
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Taranaki Regional Council Monthly Rainfall and Environmental
Data Report for December 2022
Note: Provisional Data Only.
1. Rain gauge values at 28 sites in Taranaki
Taranaki Regional Council co-owns rain-gauges with Horizons, so we can assess rainfalls
right over the Eastern Hill Country (these are included in our reporting since August 2022).
Map 1. Month total rain (mm) and percentage of long-term mean.
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There are climate change impacts to consider in relation to this item. Technical advice from the Science
team indicates there is likely to be a decrease in the mean annual low flow of most rivers and streams
in the region by 2050, with large decreases likely by 2100. Total yearly rainfall is expected to remain
roughly the same, but the region is expected to get longer dry periods and heavier, more intense
rainfall events.
36. If it becomes more difficult to access water from
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Map1. Month total rain (mm) and percentage of long-term mean
Taranaki Regional Council Monthly Rainfall and Environmental
Data Report for November 2022
Note: Provisional Data Only.
1. Rain gauge values at 28 sites in Taranaki
Taranaki Regional Council co-owns rain-gauges with Horizons, so we can assess rainfalls
right over the Eastern Hill Country (these are included in our reporting since August 2022).
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Policy and Planning Committee Agenda 4 February 2025
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Map1. Month total rain (mm) and percentage of long-term mean
Taranaki Regional Council Monthly Environmental Data
Report for October 2022
Note: Provisional Data Only.
1. Rain gauge values at 28 sites in Taranaki
Taranaki Regional Council co-owns rain-gauges with Horizons, so we can assess rainfalls
right over the Eastern Hill Country (these are included in our reporting since August 2022).
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Map1a. YTD total
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Map1. Month total rain (mm) and percentage of long-term mean.
Taranaki Regional Council Monthly Rainfall and Environmental
Data Report for September 2022
Note: Provisional Data Only.
1. Rain gauge values at 28 sites in Taranaki
Taranaki Region co-owns rain-gauges with Horizons, so we can assess rainfalls right over
the Eastern Hill Country (these are included in our reporting since August 2022).
page
Map1a. YTD total rain (mm) and percentage
into the WWTP.
No odour was detected beyond the boundary during any of the four routine inspections.
Results of effluent monitoring
With the diversion of wastes to the Hawera WWTP in the 2010/11 period, discharges from the Eltham
WWTP now occur only as a result of high rainfall events that exceed the storage capacity of the primary and
holding ponds, and the pumping capacity of the reticulated system to Hawera.
Analysis of the primary pond effluent was not required during the
Consent 5079-2 18
Table 9 Summary of performance for Consent 7520-1 19
Table 10 Summary of performance for Consent 10810-1 19
Table 11 Evaluation of environmental performance over time 20
List of figures
Figure 1 Configuration of the HWWTP (adapted from NIWA, 2012) 3
Figure 2 Daily hours where DO is greater than 0g/m3 in Pond 1 and 2 8
Figure 3 Daily discharge volumes (m3/day) from the HWWTP and daily rainfall data (mm) from a
Council rainfall station located approximately 5km east of
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Taranaki Regional Council Monthly Climate Report:
October 2024
Note: The data presented here are provisional data only and may change as a result of quality control at a later date.
1. Rainfall
Map 1: October total rainfall (mm) and percentage of long-term mean (colour key).
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Map 1a. Total rainfall 1 January to end October (mm) and percentage of long-term mean (colour key).
Table 1: Rainfall October and year-to-date totals for