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NPDC New Plymouth WWTP Annual Report 2020 2021

coastal bathing water quality (Figure 6). Monitoring was discontinued at the fourth coastal site (West Outfall), following a review of the monitoring programme in 2017. A site on the Waiwhakaiho River was also monitored in order to determine any influence of the river on the coastal waters. Thirteen samples were collected at each site during dry weather conditions and analysed for enterococci or E. coli, and conductivity. Figure 6 Water quality sampling sites, in relation to the New

Freshwater recreational bathing summer 2019-2020

Henui and Waimoku Streams and lower Waiwhakaiho River) have shown a statistically significant increasing trend. No other sites have shown statistically significant trends (positive or negative) in seasonal median E. coli numbers. Additional sampling (in accordance with the MfE, 2003 guidelines for datasets for grading purposes) at four principal usage sites (Lake Rotomanu and Waiwhakaiho, Kaupokonui and Waingongoro Rivers) occurred largely in dry weather and resulted in little change in the

Coastal Plan Schedule 6B Ngati Mutanga

importance of the coast to Ngāti Mutunga. Food can be gathered all along the shoreline from the coastal Whakarewa Pā by the Papatiki Stream in the north, to the Waiau Stream in the south, depending on the tides, weather and season. The coastline provided Ngāti Mutunga tūpuna with most of the resources they needed to survive. Reefs and sandy shallows off the coast provided kōura, pāua, kina, kūtae/kuku, tipa, pūpū, pāpaka, tuatua, oti, and many other species of kaimoana. Hāpuku

Annual report 2015-2016

period under review higher than expected biochemical oxygen demand (BOD) concentrations were found in two of the wet weather runs, however the final survey of the period found that BOD levels had returned to values similar to the historic medians. Also noted were increases in BOD inputs from the upper non industrial reaches of the catchment which are currently being investigated. In the period under review the instream dissolved zinc and copper concentrations met the appropriate USEPA acute

Annual report 2016-2017

During the period under review higher than expected biochemical oxygen demand (BOD) concentrations were found in two of the wet weather runs, however the final survey of the period found that BOD levels had returned to values similar to the historic medians. Also noted were increases in BOD inputs from the upper non industrial reaches of the catchment which are currently being investigated. In the period under review the instream dissolved zinc and copper concentrations met the appropriate

Oil Spill Plan annex 5: Oil movement & behaviour

prediction of the coastal marine areas potentially at risk. Predictions of the movement of oil should be made at the following intervals after location of the spill has been determined: 1 hour, 3 hours, 6 hours, 12 hours, 24 hours and 48 hours. These predictions must be updated following each new weather forecast. The spill will need to be constantly monitored and any changes in the spill’s appearance noted. This will enable the accuracy of the movement and weathering predictions to be assessed