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Annual report 2014-2015
consent requirement. The reduction of stormwater infiltration entering the reticulation, remains an issue to be minimised, with some overflow issues occurring during the monitoring period, due mainly to excessive inflows at the inlet of the plant following a very intensive rainfall event in mid-June 2015. Remedial work undertaken to improve the hydraulic capacity of the new outlet and outfall design together with additional sealing of the second pond’s cells’ walls has been successful in
Summer 2016-2017
sites (Waingongoro River at Ohawe, Kaupokonui River at the mouth, and Waiwhakaiho River at the last riffle and at Merrilands Domain) on a total of 17 individual site surveys, and detaching or detached mats accumulating on the river’s edge triggered the ‘Alert’ level at the same four sites on a total of 15 surveys. Levels of cyanobacteria were lower than in the previous four seasons; the improvement was probably caused by above-average rainfall causing a large number of freshes that scoured
Policy & Planning agenda November 2018
landowners while the Government sorts out the wide ranging and many detailed technical and operational problems with the NZ ETS and consulting directly with industry and forestry interests. The Climate Change Projections for New Zealand report analyses expected changes in New Zealand’s climate such as temperature, rainfall and other climate variables, out to 2120, and draws heavily on climate model simulations from the Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment report. For
Summer 2011-2012
in rainfall patterns have caused difficulties at various sites in the past as localised rainfall may impact on bacteriological quality on isolated occasions]. Where necessary, a 2 metre sampling pole was used for bacteriological sample collection immediately beneath the water surface and at a minimum of calf depth at the sites. Thirteen samples were collected from each site during the season. Samples were analysed for enterococci, E. coli and faecal coliform bacteria, turbidity and
Annual report 2016-2017
of DO concentration (g/m3) with consent conditions in the primary and secondary oxidation ponds in 2016-2017, between the hours of 11:00 and 14:00. Data was collected from the pond outlet 11 Figure 3 Faecal coliform counts in the final effluent from the maturation cells (1992-2017) 14 Figure 4 Daily discharge volumes (m3/day) from the HWWTP and daily rainfall data (mm) from a Council rainfall station located approximately 5 km east of the site (2016-2017) 16 Figure 5 Map of
Taranaki flood schemes summary leaflet
The Waitara scheme is now very resilient. But there remains a small risk that damage could occur during a very large flood, which might compromise the level of protection afforded to the township. We keep a careful eye on the scheme’s performance during very heavy rainfall and occupants can expect a timely warning if we do see greater risks emerging. However, the risk factor today is extremely low compared with other risks to property, such as damage from high winds. Lower
Recount 98 - September 2015
grass sowing,” says the Council’s Director-Operations, Stephen Hall. “The storm’s impact on the ring plain was Continued Page 2 Mapping a very wet winter NZ ShakeOut | national earthquake drill | 9.15am, 15 October | www.shakeout.govt.nz Rainfall over the winter months of June, July and August was well above the season’s normal at sites monitored by the Taranaki Regional Council, as illustrated by this map showing totals at some of our measuring stations.
Operations and Regulatory Committee Agenda June 2025
Operations and Regulatory Committee Agenda June 2025
Groundwater quality report 2016-2017
hydrogeologic conditions (Taylor and Evans, 1999). These result in a complex system of unconfined, perched and semi confined aquifers within the volcanic deposits. The water table in the ring plain area is typically encountered between 1 to 10 m below ground level. Seasonal variations in water table depth of up to 5 m are common. Groundwater flow generally reflects surface topography and flows radially from Mount Taranaki. Recharge to the Taranaki volcanic aquifers is mainly by rainfall