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TRC Waitara Catchment FMU Consultation Document September 2023

attribute band.  For lakes, modelled predictions are made at the scale of the overall lake. Uncertainty is a component of any freshwater monitoring or modelling. For example, river flows and levels fluctuate throughout the day, and nutrient levels will vary depending on how much rainfall and runoff is occurring. Pathogens and algae will grow in response to a range of factors, such as temperature, light and river flows. This uncertainty is described in terms of ‘confidence’. For

Decision on New Plymouth wastewater treatment plant at Waitara marine outfall (2011)

those anticipated if the township was being created from green fields. Although my comments here indicate that the I & I problem may not be as significant a problem as previously thought, the Council has taken a precautionary approach and is seeking to reduce I & I on an ongoing basis. It remains a fact that the response to rainfall observed in Waitara is greater than the response at New Plymouth and any work done to reduce Inflow and Infiltration will have a positive benefit in reducing the

Annual report 2013-2014

underlying coastal dune sands. Pit construction revealed mostly tightly packed sand at the pit bases (approximately 4-5 m below surface). Average annual rainfall for the site is 1023 mm (taken from the nearby ‘Duffy’ monitoring station). As with the other South Taranaki coastal sites, this Site is subject to strong winds. Site data Location Word descriptor: Manawapou Road, Manutahi, Taranaki Map reference: E 1717244 (NZTM) N 5608736 Mean annual rainfall:

Annual report 2014-2015

used at Cheal-E with nothing untoward noted. The pipeline between Cheal-E and the production station had been completed without any issues. Re-fencing of the pipeline corridor was underway. All sites were well managed and tidy. Any stormwater discharges to adjacent streams had not given rise to any adverse effects. Everything was satisfactory. 29 June 2015 The Cheal sites were inspected following an extreme rainfall event the previous weekend. The design and management of the

Lower Waiwhakaiho Catchment Annual Report 2021-2022

supply and no discharge of wastewater occurs to the stormwater drain. However, because the uncovered settlement ponds receive stormwater both directly and as run off from certain areas of the site, an excess of water may enter the page 11 system during heavy or sustained rainfall, or if rainfall occurs when the plant is not operating. This excess is discharged via a sand filter prior to entering the NPDC stormwater system, which discharges to the Mangaone Stream immediately

Pātea Beach green waste monitoring 2017-2018

environmental effects if it was buried with the green waste rather than being removed. During the year under review no unacceptable material was dumped at the Patea Beach green waste discharge site. There has been no leachate observed discharging from the sand dune area or the stockpiled green waste during the period under review, or in previous years. These factors, combined with the sandy substrate and low rainfall at the beach would be restricting the production of leachate from the green waste.

Annual Report 2016-2017

treatment chemicals) Conductivity Conductivity, an indication of the level of dissolved salts in a sample, usually measured at 20°C and expressed in mS/m Cr Chromium Cu* Copper Fresh Elevated flow in a stream, such as after heavy rainfall g/m3 Grams per cubic metre, and equivalent to milligrams per litre (mg/L). In water, this is also equivalent to parts per million (ppm), but the same does not apply to gaseous mixtures Incident Register A register containing a list of events

Annual report 2014-2015

observed discharging from the sand dune area or the stockpiled green waste during the period under review. The sandy substrate combined with low rainfall at the beach would be restricting the production of leachate from the green waste. 3.3 Evaluation of performance A tabular summary of STDC’s compliance record at this site for the year under review is set out in Table 1. Table 1 Summary of performance for consent 6088-3 Purpose: To discharge green waste onto land for stabilisation

Annual report 2012-2013

Usually expressed as colony forming units per 100 millilitre of sample F fluoride FC faecal coliforms, an indicator of the possible presence of faecal material and pathological micro-organisms. Usually expressed as colony forming units per 100 millilitre sample fresh elevated flow in a stream, such as after heavy rainfall g/m3 grams per cubic metre, and equivalent to milligrams per litre (mg/L). In water, this is also equivalent to parts per million (ppm), but the same does not