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Part 1: Regional Policy Statement
Chapter 1
Setting The Scene
Chapter 2
Te Ao Māori
Chapter 3
Infrastructure, Energy, Waste, Hazardous Substances and Contaminated Land
Chapter 4
Land
Chapter 5
Water
5.1 Scope and Background
5.1.2 Overview
5.1.3 Water Quantity
5.1.4 Water Quality
5.1.5 Beds of Rivers and Lakes
5.2 Significant Resource Management Issues
5.3 Objectives
5.4 Policies
5.4.2 Water Quality
5.4.2.2 Groundwater Quality
5.4.2.3 Discharges^ and Land^ use Activities Affecting Water^ Quality
5.4.3 Water Quantity and Allocation
5.4.3.2 Policies for Surface Water
5.4.3.3 Policies for Bores* and Groundwater
5.4.4 Beds of Rivers and Lakes
5.5 Methods
5.6 Anticipated Environmental Results
5.7 Explanations and Principal Reasons
Chapter 6
Indigenous Biological Diversity, Landscape and Historic Heritage
Chapter 7
Air
Chapter 8
Coast
Chapter 9
Natural Hazards
Chapter 10
Administration
Part 2: Regional Plan
Part 3: Annexes
Glossary
Chapter 5: Water
5.4.2.3 Discharges^ and Land^ use Activities Affecting Water^ Quality
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Policy 5-7
: Land^ use activities affecting groundwater and surface water^ quality
The management of land^ use activities affecting groundwater and surface
water^
must give effect to the strategy for surface
water^
quality set out in
Policies 5-2
,
5-3
,
5-4
and
5-5
, and the strategy for groundwater quality in Policy
5-6
, by managing diffuse discharges^ of contaminants in the following manner:
identifying in the regional plan targeted
Water Management Sub-zones*.
Targeted Water Management Sub-zones* are those subzones where, collectively,
land^
use activities are significant contributors to elevated contaminant levels in groundwater or surface water^
identifying in the regional plan intensive farming
land^
use activities. Intensive farming
land^
use activities are rural
land^
use activities that (either individually or collectively) make a significant contribution to elevated contaminant levels in the targeted
Water Management Sub-zones*
identified in (a) above
actively managing the intensive farming
land^
use activities identified in (b) including through regulation in the regional plan, in the manner specified in
Policy 5-8
the Regional Council must continue to monitor ground and surface
water^
quality in
Water Management Sub-zones*
not identified in (a) and rural
land^
uses not identified in (b). Where monitoring shows the thresholds in (a) and (b) are met then the regional plan must be amended so that those further
Water Management Sub-zones*
and rural
land^
uses are included in the management regime set out in (c).
Policy 5-8
: Regulation of intensive farming land^ use activities affecting groundwater and surface water^ quality
Nutrients
Nitrogen leaching maximums must be established in the regional plan which:
take into account all the non-point sources of nitrogen in the catchment
will achieve the strategies for surface
water^
quality set out in
Policies 5-2
,
5-3
,
5-4
and
5-5
, and the strategy for groundwater quality in
Policy 5-6
recognise the productive capability of
land^
in the Water Management Sub-zone*
are achievable on most farms using good management practices
provide for appropriate timeframes for achievement where large changes to management practices or high levels of investment are required to achieve the nitrogen leaching maximums.
Existing intensive farming
land^
use activities must be regulated in targeted Water Management Sub-zones* to achieve the nitrogen leaching maximums specified in (i).
New intensive farming
land^
use activities must be regulated throughout the Region to achieve the nitrogen leaching maximums specified in (i).
Faecal contamination
Those persons carrying out existing intensive farming
land^
use activities in the targeted
Water Management Sub-zones*
listed in
Table 14.1
or new conversions to intensive farming
land^
use activities anywhere in the Region must be required, amongst other things, to:
prevent cattle access to some surface
water bodies^
and their
beds^
mitigate faecal contamination of surface
water^
from other entry points (eg., race run-off)
establish programmes for implementing any required changes.
Sediment
In those
Water Management Sub-zones*
where agricultural
land^
use activities are the predominant cause of elevated sediment levels in surface
water^
, the Regional Council will promote the preparation of voluntary management plans under the Council’s Sustainable Land Use Initiative or Whanganui Catchment Strategy for the purpose of reducing the risk of
accelerated erosion*
, as described in
Chapter 4
.
Policy 5-9
: Point source discharges^ to water^
The management of point source
discharges^
into surface
water^
must have regard to the strategies for surface
water^
quality management set out in
Policies 5-3
,
5-4
and
5-5
, while having regard to:
the degree to which the activity will adversely affect the
Schedule B
Values for the relevant
Water Management Sub-zone*
whether the
discharge^
, in combination with other
discharges^
, including non-point source
discharges^
will cause the
Schedule E
water quality targets* to be breached
the extent to which the activity is consistent with
contaminant^
treatment and
discharge^
best management practices
the need to allow reasonable time to achieve any required improvements to the quality of the
discharge^
whether the
discharge^
is of a temporary nature or is associated with necessary maintenance^ or upgrade* work and the
discharge^
cannot practicably be avoided
whether adverse
effects^
resulting from the
discharge^
can be offset by way of a financial contribution set in accordance with
Chapter 19
whether it is appropriate to adopt the
best practicable option
Policy 5-10
: Point source discharges^ to land^
Discharges^
of
contaminants^
onto or into
land^
must be managed in a manner which:
does not result in pathogens or other toxic substances accumulating in soil or pasture to levels that would render the soil unsafe for agricultural, domestic or recreational use
has regard to the strategies for surface
water^
quality management set out in
Policies 5-3
,
5-4
and
5-5
, and the strategy for groundwater management set out in
Policy 5-6
maximises the reuse of nutrients and
water^
contained in the
discharge^
to the extent reasonably practicable
results in any
discharge^
of liquid to
land^
generally not exceeding the available
water^
storage capacity of the soil (deferred irrigation)
ensures that adverse
effects^
on rare
habitats*
,
threatened habitats
* and
at-risk habitats
* are avoided, remedied or mitigated.
Policy 5-11
: Human sewage discharges^
Notwithstanding other policies in this chapter:
before entering a surface
water body^
all new
discharges^
of treated human sewage must:
be applied onto or into
land^
, or
flow overland, or
pass through an alternative system that mitigates the adverse
effects^
on the
mauri
* of the receiving
water body^
, and
all existing direct
discharges^
of treated human sewage into a surface
water body^
must change to a treatment system described under (a) by the year 2020 or on renewal of an existing consent, whichever is the earlier date.
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