(1980 to
date) and average MCI values predicted from the MCI – site altitude regression equation
revealed areas on the ring plain where observed stream health is better, worse, or equal to that
which is predicted. This analysis suggested that approximately 65.3% of the area met or
exceeded the stream health predicted by the MCI – altitude relationship, with the remaining
34.7% falling just one quality class below that predicted.
Given the intensity of land-use on the
creation of stable interlocked layers of green waste ensures that it does not fall off, or get
blown off the cliffs and down onto the coastal marine area or into the sea.
From observations made during the inspection of the site no adverse environmental effects were found, or
were expected to have been occurring, as a result of the activity authorised by consent 7374-1.4.
3.3 Evaluation of performance
A tabular summary of the consent holder’s compliance record for the year under review is
unless the activity is
expressly allowed for by a resource consent or a rule in a regional plan, or it falls within some particular
categories set out in Section 14. Permits authorising the abstraction of water are issued by the Council under
Section 87(d) of the RMA.
Water discharge permits
Section 15(1)(a) of the RMA stipulates that no person may discharge any contaminant into water, unless the
activity is expressly allowed for by a resource consent or a rule in a regional plan, or by
Waitotara. The remainder or irrigators are
generally located inland, between Inglewood and Eltham.
1.1.7 Irrigation systems
In general there are two types of irrigation methods; surface and pressurised. The majority of irrigation
systems currently in operation in the province fall in to the pressurised category. Pressurised systems can be
further differentiated based on the method of operation and equipment used. A summary of the systems
encountered in the region is given below.
K-line and
irrigation methods; surface and pressurised. The majority of irrigation
systems currently in operation in the province fall in to the pressurised category. Pressurised systems can be
further differentiated based on the method of operation and equipment used. A summary of the systems
encountered in the region is given below.
K-line and long-lateral types – Impact sprinklers mounted on moveable laterals (Photo 1)
These are the most common systems found in the region, as they are a low cost
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potential to be contaminated, drains into the
stormwater pond under gravity and is then pumped to the effluent treatment plant and discharged via the
marine outfall. Stormwater from the tankage area is pumped over into the process sewers which flow to the
storm pond. The stormwater falling on the non-process areas of the western half of the site (Figure 1) is
directed by “v” ditches running alongside the roads to a dam/pond and then out to the Tasman Sea via the
Manu Stream. Stormwater falling on
2.4 Irrigation to Land of Leachate
Situated north of the compost and vermiculture operations is a series of leachate ponds that collects
run-off from these activities. In addition to the collection of leachate and stormwater that falls in the
composting area, wash down water from the truck wash is also collected in this pond; which further
dilutes the compost leachate.
Figure 2 highlights the area in purple, where water from these ponds are irrigated to land. Typically
irrigation
Regional Transport agenda September 2021
NPDC coastal structures consent monitoring report 2018-2019