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TRC Technical Memorandum Sediment rivers 25 July 2023

The NPS-FM includes attribute band tables for both suspended fine sediment and deposited fine sediment attributes as set out in Table 1 and Table 2. The sediment class of a given river segment dictates the attribute value ranges defining the band grade. Sediment classes are determined by the climate, topography, and geology classification (as defined in the River Environment Classification; REC1) of upstream segments predominately contributing flow to a given segment. To determine

TRC Technical Memorandum Nutrients rivers 11 August 2023

environment monitoring sites. Sampling is carried out monthly, regardless of weather and flow conditions, and has been undertaken at most sites since around 2004/2005. Additionally, NIWA undertakes monthly monitoring of ammonia, nitrate-nitrite nitrogen (NNN), and DRP concentrations at one additional site under the National River Water Quality Network (NRWQN). This site has a long-term record extending back to 1989. This brings the total number of long-term monitoring sites to 25

Boost to Waiwhakaiho flood scheme

Businesses and homes in The Valley in New Plymouth will get improved protection from flooding with an upgrade to the lower Waiwhakaiho River Flood Control Scheme. The upgrades by Taranaki Regional Council will raise two sections of the existing defences including along the stopbank and a flood wall which protect shops and houses near Constance Street and Rifle Range Road. Council Rivers Manager Chris Vicars says revised flood modelling after a large flood event in 2017 identified two sections

December 2023 rainfall

16.6°C, which is 0.4°C warmer than long-term December averages. Mean river flows for December were 30.3% lower than typical values while mean river (non-mountain) water temperatures were 17.2°C, an average of 0.4°C warmer than a typical December. Average wind speeds were 15.8km/hr, with average gust strength of 42.9km/hr. The maximum wind gust recorded in December was 85.3km/hr at Waiwhakaiho at Hillsborough. December 2023 Environmental Data Report December 2023 rainfall maps What you should know: The

November 2023 rainfall

0.6°C cooler than long-term November averages. Mean river flows for November were 26.6% lower than typical values while mean river (non-mountain) water temperatures were 14.7°C, an average of 0.2°C cooler than a typical November. Average wind speeds were 17.7km/hr, with average gust strength of 47.4km/hr. The maximum wind gust recorded in November was 93.2km/hr at Waitotara at Ngutuwera - the windiest spot in the region for the third month in a row. November 2023 Environmental Data Report November

'Perfect timing' as Waitara River gets thorough check-up

The Waitara River is set to gain extra benefits from a national pilot study focused on the best ways to assess any microbiological health risks to freshwater swimmers. The ESR-led study will include detailed analyses of up to 80 samples from the river at Bertrand Rd, one of only 16 sites to be sampled nationally over the coming few months. The river’s inclusion is hailed as great news for its mana whenua and the Taranaki Regional Council, who have begun working together to make the best use of

River Control & Flood Protection Bylaw

page River control and flood protection Bylaw for Taranaki Regional Council Taranaki 2020 page River Control and Flood Protection Bylaw for Taranaki Publication date: 23 November 2020 Document: #2634881 page page i This note does not form part of the Bylaw. Explanatory Note The Taranaki Regional Council Flood Protection Bylaw 2020 has been

Locals urged to avoid swimming after rain

People heading out to swimming spots across Taranaki this summer are being encouraged to wait a few days after heavy rain before diving in. Taranaki Regional Council’s summer “Can I Swim Here?" monitoring programme starts this week, running through until the end of March 2024. Every Tuesday staff will take water samples at 41 popular swimming spots at lakes, rivers and beaches across the region. Results take two days to come back from the lab, and are posted on the Land, Air, Water Aotearoa

June 2023 rainfall

June bucked the trend for more than average monthly rainfall since the start of 2023 with an average of 74.9mm, or just 58% of the typical amount for the month. This ranged from 80% less rainfall at Waitotara at Ngutuwera, and 37% less rainfall at Brooklands Zoo at New Plymouth than a typical June. Year to date rainfall ranges from 5% less rainfall at Uruti at Kaka Rd, and 45% more rainfall at Whanganui at Mataimona Trig, with an average of 16% more than normal. Mean river flows for June were

October 2023 rainfall

October was a relatively dry month for most of Taranaki with 115mm of rainfall – 30% less than usual. There was 48% less rain than normal at Brooklands Zoo in New Plymouth and the site also had the highest air temperature for the month at 25.6°C. Year to date rainfall ranges from 13% less rainfall at Uruti at Kaka Rd, and 10% more rainfall at Omaru at Charlies, with an average of 3% less than normal. Mean river flows for October were 28.3% lower than typical values while mean river