Water level downstream of the intake weir, compared with indicative
water level required to ensure residual flow compliance. 14
Figure 4 Lake Mangamahoe water level as recorded by Trustpower (2015-2016) 15
Figure 5 Exceedance time (%) for generation at the Mangorei Power house, 1 July
2015 – 1 July 2016, 9am to 5pm only. 15
Figure 6 Flow variation in the Waiwhakaiho River at Rimu Street as a result of
generation at the Mangorei Power Station. 16
Figure 7 Water temperature monitoring
by
Ruth Goldsmith, PhD.
Reviewed by
Greg Ryder, PhD.
Ryder Environmental Limited
195 Rattray Street
PO Box 1023
DUNEDIN, 9054
New Zealand
Phone: 03 477 2119
Document version: 15 November 2020
Cover page: Lake Mangamahoe, November 2018 (photo: G. Ryder).
© All rights reserved. This publication may not be reproduced or copied in any form without the
permission of the copyright owner(s). Such permission is only to be given in accordance with the
terms of the
the South Taranaki District Council for their receipt and
information.
Cloke/Jamieson
Confirmation of Minutes State Highway 3 Working Group – 3 October 2023
Resolved
That the Taranaki Regional Transport Committee:
a. received the unconfirmed minutes of the State Highway 3 Working Group meeting held at the St
Johns Rooms, 41 North Street (SH3) Mōkau, on 3 October 2023 at 10.30am.
Duynhoven/Nixon
RTC 2024 Meetings Planner
Ms L Hawkins, Policy Manager to
switchboard (incl Tūpare, Pukeiti & Hollard Gardens): 0800 736 222 or 06 765 7127 Environmental hotline (to report pollution): 0800 736 222 Taranaki Civil Defence: 0800 900 049 Taranaki Total Mobility: 0800 868 662 Street address Taranaki Regional Council, 47 Cloten Road, Stratford. Postal address Taranaki Regional Council, Private Bag 713, Stratford 4352, New Zealand. Bus services New Plymouth Citylink bus information: 0800 87 22 87 Hawera-New Plymouth Connector bus information: 0800 22 11 20 For the
Interviews and community engagement 25
10 Summary of reviewed information 28
10.1 TCP Plant, Phenoxy Plants 30
10.2 Former pond (‘lagoon’) 34
10.3 Grassed area between carpark and stormwater pond (SV9000) 37
10.4 Dangerous Goods Compound 38
10.5 Liquids and solids incinerators 41
10.6 Other areas (all portions) 43
11 Site walkover 46
12 Potential for contamination 47
12.1 Potential for contamination 47
12.2 Conceptual site model 53
13 Data gaps 57
14 Regulatory framework and
Lab number Hill 1952930 1966863 1975423 1988609 2011708 2002229
pH pH 7.1 6 6.5 7.2 6.9 6.8
Total alkalinity g/m3 CaCO3 690 43 600 1,980 780 1,250
Bicarbonate g/m3 HCO3 481 23 540 1,812 719 1,016
Total hardness g/m3 CaCO3 156 79 640 200 146 147
Electrical conductivity mS/m 969 96 2,510 1,908 1,135 1,406
Total dissolved solids g/m3 7,300 3,100 16,500 12,200 9,400 10,400
Dissolved barium mg/kg 17 0.37 110 29 20 23
Dissolved bromine g/m3 24 <0.5 16.7 14.4 7 11.6
Dissolved calcium g/m3 53 24
Go Bling Your Bike station, the More FM Santa Sprint, three-on-three basketball, e-bike and e-scooter demos, street picnics and markets, and more. Santa’s cavalcade will take a circuit route again this year, starting at the Clock Tower and moving east along Devon Street, turning left down Liardet Street and heading back down Gill Street/Ariki Street back to the start. Free buses will be running all day. So plan your trip, and don’t miss out on a super event in our car free central city.
survey dates 48
2.5.2 Periphyton cover 48
2.5.3 Periphyton Index Score 50
2.5.4 Periphyton biomass 51
2.5.5 Summary of 2002-2014 (12 year data set) 51
2.5.6 Long term trend analysis 53
page
2.6 Waingongoro River 55
2.6.1 Flow data and survey dates 56
2.6.2 Periphyton cover 56
2.6.3 Periphyton Index Score 58
2.6.4 Periphyton biomass 58
2.6.5 Summary of 2002-2014 (12 year data set) 59
2.6.6 Long term trend analysis 60
2.7 Punehu Stream 63
2.7.1 Flow data and survey
Resource consent 37
5.3 Council compliance soil analysis 38
5.4 Soil results 39
page
ii
5.5 Investigations, interventions, and incidents 41
6. Discussion 42
6.1 Discussion of site performance 42
6.2 Environmental effects of exercise of consents 43
6.3 Evaluation of performance 43
6.4 Recommendations from the 2014-2015 Annual Report 51
7. Recommendations 52
7.1 Alterations to monitoring programmes for 2016-2017 52
8. Recommendations 53
Glossary of common
11:40 13:20
TEMP °C 16.3 16.2 15.3 15.9
Electrical Conductivity (EC) mS/m 109.3 67.7 94.9 94.7
pH pH Units 7.0 7.1 7.2 7.0
Chloride g/m3 230 113 185 187
Total Sodium g/m3 52 31 53 64
Acid Soluble Barium g/m3 <0.11 <0.11 <0.11 <0.11
Dissolved Barium g/m3 0.105 0.070 0.086 0.104
Total Dissolved Solids (TDS) g/m3 670 410 660 630
All analytes remained relatively stable throughout the monitoring period for bore GND2293. Slight
reductions in TDS, chloride and EC were