under consent conditions and this showed that daily
volume limits and instantaneous abstraction rates were complied with for the majority of the monitoring
period. Self-monitoring of the Inglewood discharge showed that the discharge generally complied with
consent conditions.
During the year, NPDC demonstrated a high level of environmental and administrative performance with the
resource consents.
For reference, in the 2020-2021 year, consent holders were found to achieve a high level
discharge:
These details are provided in sections 3 and 5 of the attached
Assessment of Environmental Effects.
page
Liquids discharged to water
What is the proposed maximum rate of discharge?
Rate 55000.0
Unit Litres per second
How frequent is the discharge? Not constant
Hours per day 0.00
Days per week 0.00
Other
Give full details of the method of discharge: The discharge of water to the Mako Stream will occur at times
when the
any
treatment it will receive prior to discharge:
These details are provided in sections 3 and 5 of the attached
Assessment of Environmental Effects.
Liquids discharged to water
What is the proposed maximum rate of discharge?
Rate 2000.0
Unit Litres per second
How frequent is the discharge? Not constant
Hours per day 0.00
Days per week 0.00
Other Will occur during maintenance periods only.
page
Give full details of the method of
Lake Mangamahoe 23
5.1 Historic aerial imagery analysis 23
5.2 Observed morphology and processes 25
5.3 Bathymetric surveys 26
5.4 Annual sediment infill rate 29
6 Summary 32
7 Applicability 35
8 References 36
Appendix A : Catchment scale sediment sources
Appendix B : Downstream geomorphic assessment
page
Tonkin & Taylor Ltd
Mangorei HEPS Consent Renewal - Lake Mangamahoe Sediment Assessment
Trustpower Ltd
November 2020
Job
document containing your answers, please refer to the document name and the relevant
page number in the text box.
Give full details of the source of the discharge and any
treatment it will receive prior to discharge:
These details are provided in sections 3 and 5 of the attached
Assessment of Environmental Effects.
Liquids discharged to water
What is the proposed maximum rate of discharge?
Rate 150000
Unit Litres per second
How frequent is the discharge? Not
provision of funding from both district councils and the regional council can be
seen as a form of “double-dipping” of rates funding from the same ratepayers.
With funding comes involvement in governance and service delivery and the
addition of regional council involvement can make these roles more complex than
they already are.
The regional council can be seen as a substitute funder for some parties that are not
prepared to be contributing their “fair share”.
17. It is clear that
and dust and loss of amenity value of air
d) Imposition of limits on or relating to discharge or ambient
concentrations of contaminants, or on or relating to mass discharge
rates
e) Best practicable option to prevent or minimise any adverse effects on
the environment
f) Any matter contained in Appendix V
g) Review of the conditions of consent and the timing and purpose of
the review
2.2 Appendix V of the RAQP is titled “Good management practices for
Landscape Guidance Note2
and its signposts to examples of best practice.
1.2.2 Effects Ratings and Definitions
An outline of the effects ratings and definitions used in this assessment is provided in the Boffa
Miskell: Natural Character, Landscape and Visual Effects Assessment Methodology (11
February 2019) attached as Appendix 1. In summary, the significance of effects identified within
this assessment are based upon a seven-point scale which includes very low; low; moderate-
low;
enables the Council to continually re-evaluate its approach
and that of consent holders to resource management and, ultimately, through the refinement of methods
and considered responsible resource utilisation, to move closer to achieving sustainable development of the
region’s resources.
1.1.4 Evaluation of environmental performance
Besides discussing the various details of the performance and extent of compliance by the consent holders,
this report also assigns a rating as to each Company’s
contaminants to air and maintaining the high overall standard of air quality
• Managing the allocation of the region’s water resources.
page
22
Financial Trends
Actual
2020/21
Budget
2020/21
Actual
2019/20
Actual
2018/19
Actual
2017/18
Actual
2016/17
Actual
2015/16
Actual
2014/15
Actual
2013/14
Actual
2012/13
Actual
2011/12
General rates $7.95m $7.95m $7.95m $7.95m $7.61m $7.54m $7.46m $7.40m $7.29m $7.18m $7.18m
Percent change 0% 0%