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Annual report 2014-2015

of buffer distances and location of the stockpiling facilities. The predominant soil type has been identified as gravelly sand and the vegetation cover is pasture, recently converted from native bush. Average annual rainfall for the site is 1,942 mm (taken from the nearby ‘Stratford’ monitoring station). No consents were initially held to discharge stormwater from this stockpiling site, as it was expected to comply with the permitted activity criteria in Rule 23 of the Regional

Annual report 2014-2015

NPDC Colson Rd landfill consent monitoring report - Taranaki Regional Council.

Annual report 2012-2013

Fonterra Kapuni consent monitoring report - Taranaki Regional Council.

Maui PS consent monitoring 2020-2021

due to low inflow volumes and evaporation. A recirculation system was installed during the 2018-2019 year to further limit discharges, while 5,000 L tanks were utilised during 2019-2020 to store excess volumes when rainfall exceeded capacity of the ponds and the recirculation system. During the 2019-2020 year, there was a reduction in the use of the Fire Training Centre and the recirculation system. Additional tanks contained all wastewater so that there were no further discharges from

Boyd consent monitoring report 2018-2019

was spread across the site area and landfarmed. The unnamed tributary of the Mangamawhete Stream flows adjacent to the Derby Road North stockpiling facility. The proximity of the site to this surface water body had been taken into account in the setting of buffer distances and location of the stockpiling facilities. The predominant soil type has been identified as gravelly sand and the vegetation cover is pasture, recently converted from native bush. Average annual rainfall for the

Pohokura PS consent monitoring 2018-2019

Results of consent holder monitoring 2.1.3.1 Stormwater monitoring by OMV OMV monitors the combined stormwater discharge from the site, with sampling triggered by rainfall events. Table 4 shows the results obtained during the 2018-2019 monitoring year. In all samples pH, hydrocarbons and chloride levels were all within/below the limits set by consents 5997-1 and 6269-1, and were indicative of a consistently clean discharge. The level of suspended solids was slightly above the allowable limit