Because the dams are located at high elevations, water flows easily to the city by gravity. "We need to remember that while we can use a hose - as long as it is attended and has a trigger nozzle - we need to use water responsibly. Check the current water storage for dams in the Waitakere and Hunua ranges. Lake area: 52.9 hectares Take a virtual tour of two of our dams by pressing play on the latest videos. 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It has a lake area of 128.5 hectares and capacity of 16.2 gigalitres. A 10th dam, Hays Creek Dam, will be reconnected to the network in December 2020. Mangatangi dam, Hunua ranges (25 February, 2020) With further hot and dry days forecast, we're growing increasingly concerned about Auckland's skyrocketing water use and are calling for people to think before they turn their taps on. Understand how Auckland Council and the Local Disaster Management Group manage emergency situations in your area. Almost all of Auckland’s water comes from dams (manmade water storage lakes) in the Hunua and Waitakere ranges. There was 39.5mm in the Waitakere Ranges for the past week and 6.5mm on Sunday. Outgoing Watercare chief executive Raveen Jaduram said the authority had set a goal of getting the region's dam levels to 75 percent full by the end of October. At a council meeting on Thursday morning, Watercare said the city is experiencing its worst drought ever, despite recent downpours. Lake area: 18.2 hectares This Watercare graph shows how the storage levels changed 1991, 1992, 1993 and 1994. The "normal demand management" curve 1991- end of 1993 shows the typical oscillation of dam storage levels from full to 75% of full. Please check again later. A large proportion of Auckland’s drinking water comes from nine dams which are connected to treatment plants that serve the metropolitan water supply network. Capacity: 14.03 gigalitres. This water is then discharged to a downstream water course. Lake area: 50.3 hectares Watercare site 8/06/2020 3:54:44 AM. Watercare head of servicing and consents Mark Bourne, who is leading the organisation’s drought response, says the increase in consumption is largely due to people using a lot more water outdoors. Our Hunua dams make up 60 per cent of Auckland’s water. Check the current water storage for dams in the Waitakere and Hunua ranges. Watercare already has consents to take 175 million litres a day from the river, which is the maximum amount the existing water treatment plant can treat and deliver. “We are delighted to see significant rain has fallen overnight in our western catchment–and now total dam storage is at 51.3 per cent. With the river currently above median flow, Watercare already has consents to take 175 million litres a day (MLD) from the river, which is the maximum its Waikato Water Treatment Plant in Tuakau can currently treat and deliver. Town to tank is a new type of water service that provides peace of mind for homeowners who rely on rain tanks. As Auckland suffers its worst drought in 27 years, many of the city's self-service car washes are doing a roaring trade. Watercare site 20/09/2020 11:01:28 AM. 4 earth dams (the fifth, Hays Creek Dam, is not currently connected to the metropolitan supply network), Supply: About 60 per cent of Auckland’s water. Pour yourself half a glass of your favourite non-alcoholic drink – not a drop more - and take a sip after reading each sentence. Completed: 1977 Our dams are slowly but surely filling up but are still way off water levels for this time of year. The Hūnua dams supply 60 per cent of … Sediment settles on the lakebed, and the level of bacteria drops. Auckland's dam levels. We began the year with prolonged dry weather and water storage levels lower than normal. Jaduram wouldn't confirm whether restrictions would be eased, but said discussions with Watercare's board were underway. The dam is a earth and rockfill dam with a height of 35 m It has a lake area of 128.5 hectares and a capacity of 16.2 million cubic metres. On Watercare’s side, we’re working to bring two former water sources – a dam in Papakura and a bore in Pukekohe – back into service. Mangatangi is our largest dam. Watercare today confirmed that while the dams still need a significant amount more water, overnight rain has nudged capacity levels up to more than 50 per cent. The Hūnua and Waitākere ranges receive about 1.8 metres of rain annually – about 50 per cent more than central Auckland. Auckland's water-use jumped more than 30 million litres a day after water restrictions eased, prompting calls for locals to ease up on their outdoor water-use. Rules changed on … There is another side to such stories. Please view product details of Series DAM/DBM LMDPE Liquid Storage Tank here or call us at 6352 9513 for quotation. Watercare site 23/12/2020 7:17:48 PM. Lake area: 12.5 hectares The water levels there are at 67 percent where they would normally be up at 94 percent. Auckland water lake dam levels updated in real time and presented on a single dashboard using Watercare's data. "Over the winter Aucklanders saved seven billion litres of water ... that's a colossal amount of water." Watercare operates 14 water supply reservoirs, five of them located northwest of Auckland in the Waitakere Ranges, two near Helensville, four to the southeast in the Hunua Ranges, and one east of Papakura. Combined they cover 534 hectares and normally provide 60 per cent of Auckland’s water. Streams and tributaries feed water to fill the reservoirs created by these dams. In combination the reservoirs are capable of storing over 100 million cubic metres of water. Cosseys Dam is on the headwater of the Wairoa River. We have to remember, the historical average for this time of year is 79.8 percent – and we’re still a long way from there.” Capacity: 4.6 gigalitres, Completed: 1929 Watercare has set a consumption target of 409 million litres or fewer a day for the month of July. Capacity: 2.2 gigalitres, Completed: 1948 Adults: NZ$15.00: Earlier dams in the Waitākeres were made of concrete. Lake area: 185 hectares Staff - July 8, 2020. Auckland Council on Thursday grilled its own water company, Watercare, over the management of the region’s water shortage. Pictured is Mangatawhiri Dam six days ago. Auckland dam's levels are sitting at 47 percent full today. Facebook. Hunua 11.5mm Waitakere 14.5mm Water sources: past 7 days Waikato River provided 34.8% Onehunga Aquifer provided 4.3% Dams provided 61% Hickey Springs Bore, Pukekohe Deliver 5 MLD* by August 2020 Waikato expansion, Tuakau Deliver 25 by August 2020 Hays Creek, … Fares. Watercare said this week's rain has seen the city's dam levels increase from just under 45 percent to over 47 percent on Thursday. During heavy rainfall, the dam will provide attenuation to minimise the likelihood and impact of downstream flooding. 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Watercare site 28/09/2020 1:49:10 AM. Watercare's website shows that the water level in the dam in the week ending May 3 was just 30 per cent of capacity, the second-lowest of Auckland's 10 water supply dams. In order to reduce the amount of spillage, our team has been maximising production from Waitākere Dam. Outgoing Watercare chief executive Raveen Jaduram said the authority had set a goal of getting the region's dam levels to 75 percent full by the end of October. Our dams in the Hūnua Ranges are by far the largest. An application Watercare lodged in May for an additional 100 MLD has now been granted by Waikato Regional Council. Get a town to tank water connection. Ltd. supplies a wide range of PE Tanks including Series DAM/DBM LMDPE Liquid Storage Tank and many more. A large proportion of Auckland’s drinking water comes from nine dams in Auckland’s Hūnua and Waitākere ranges. However, the dam will spill and excess water flows downstream through a spillway as the dam reaches full supply level. Normal capacity for this time of year is 77.04 per cent. When we Hydro-electric dams also have ‘release gates’ to control reservoir levels. At a council meeting this morning, Watercare said the city is experiencing its worst drought ever, despite recent downpours. WhatsApp. Each has an important role to play in providing Auckland with Aa-graded drinking water on a daily basis. This ‘compensation flow’ supports the environment when our dams are not full and spilling. Its size along with the fact it has received more rainfall than other catchment areas are key factors in causing it to spill. Yesterday’s rainfall in Auckland was welcomed at Watercare but the resulting lift in total dam storage was just shy of 1 per cent. Total Storage-01-How full are the dams? Capacity: 1.76 gigalitres, Completed: 1923 Copyright © 2020 Watercare. Occasionally there are extensive storms that do not pass over the part of the catchment above the dam. There were low water levels in the creek leading into Upper Nihotupu Dam earlier this year in April. Watercare Water Supply Update: 9 December December 9, 2020 Politics , PressRelease , Supercity Comments Off on Watercare Water Supply Update: 9 December Press Release – Watercare Pinterest. In July last year the same lake was 52 percent full. So here is the link for you all to go and have a look for yourselves. Auckland's dam levels. Dam levels rising but more rain needed. Google+. Copyright © 2020 Watercare. The water from this dam is piped to the Ardmore Water Treatment Plant. The dams are notoriously difficult to get to, the risk of mudslides is high and ventilation is poor. Be waterwise this summer, Godwits return to Watercare Coastal Walkway, Green light for Pukekohe Wastewater Treatment Plant upgrades, Having trouble logging in? Capacity: 16.2 gigalitres, Completed: 1955 The region’s dam levels are slowly edging upwards but are still way off normal capacity. While the dams vary in size, they all rely entirely on rainfall to replenish. 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It has also been granted consent to use 25 million litres a day shared by the Hamilton City Council. Dam levels have barely budged despite stormy weather over the weekend (file photo). After World War II they were built with earth and rock. Our dams in the Waitākere … Watercare site 19/06/2020 2:13:17 AM. Watercare Products Pte. While dam levels have increased much since last summer's big dry, they're still sitting nearly 20 per cent below normal. Capacity: 2.2 gigalitres, Completed: 1971 The dam levels get drawn down in summer and fill up in winter. When we stop at the end of the line you have the opportunity to walk up the steps and onto the top of the dam. Interestingly, unlike our other catchment areas, it is not a protected catchment. Auckland's dam levels. Auckland Council has today been grilling its own water company, Watercare, over the management of the region's water shortage. A 10th dam, Hays Creek Dam in Papakura, will be reconnected to the network in summer 2020/21. This prompted Watercare to introduce restrictions that could result in fines of up to $20,000 if not adhered to. Watercare said this week’s rain has seen the city’s dam levels increase from just under 45 per cent to over 47 per cent on Thursday. We write to residential customers to explain the water restrictions and ask for their compliance. Hays Creek Dam is tiny compared to our biggest dams Mangatangi and Upper Mangatawhiri. Rainfall: Yesterday Past 7 days Hnua Ranges 13.5mm 22.5mm Waitkere Ranges 13.5mm 18.5mm Dam storage (in total):n to Today: 72.22% … Capturing water during heavy rainfall minimises the likelihood and impact of downstream flooding. Fact file. Our dams in the Hūnua Ranges are our biggest - combined they cover 534 hectares and provide 60 per cent of Auckland’s water. Mangatangi Dam in the Hunua Ranges, pictured in July. It was supplying only a fraction of Auckland's drinking water and was expensive to run. We are bringing a former water storage dam and bore back into service, and expanding the Waikato Water Treatment Plant. Dams are now at 44.9 per cent capacity compared to 44.5 per cent yesterday. The Detail’s Jessie Chiang went to the Lower Nihotupu Dam in the Waitakere Ranges with Watercare’s environmental assets manager Joseph Challoner-Warman. Location: Headwaters of the Hūnua River. We are bringing a former water storage dam and bore back into service, and expanding the Waikato and Onehunga treatment plants. On Monday, Watercare spokeswoman Maxine Clayton said the city's dam levels were up 1 per cent to 46.5 per cent after Sunday's wet weather. Clayton said … The Auckland region is still feeling the effects of a severe drought which took hold in 2019 and saw our total water storage (all our dams combined) drop to the mid-40 per cent mark. Auckland's dam levels ... Did you know that Watercare publish dam level information daily in chart form? Lake area: 128.5 hectares Recently, it reached 100 per cent capacity and was spilling. When this happens, the volume of water spilling reflects the volume of natural rain falling at that time. Upper Mangatawhiri is our second largest dam. Toggle navigation Toggle Search The dams supply about 80 per cent of Auckland’s water. So it was not a miscalculation, but a valid precaution which in hindsight was not needed. Waitakere Dam is the highest elevated dam, and like Hays Creek Dam it is tiny compared to our biggest dams which are located in the Hūnua Ranges. Press Release – Watercare Services. Auckland dam’s levels … A Watercare spokeswoman said Auckland's dam storage levels went up about 5 per cent in the last week – from 66 per cent to just over 71 per cent full today. A welcome respite, but still not enough to stop ongoing water restrictions. As part of our water resources management, we review lake storage levels daily and rely on short and long-range weather forecasts to balance the use of our water supply sources. In comparison, our dams in the Waitākere Ranges fill up quicker as they are much smaller in size/capacity, covering 162 hectares and providing 20 per cent of Auckand's water. PKS Test, August 2020. Hunua 41.5mm Waitakere 35mm Water sources: past 7 days Waikato River provided 28.4% Onehunga Aquifer provided 4.1% Dams provided 67.5% Hickey Springs Bore, Pukekohe MLDDeliver 2.5 * by August, a further 2.5MLD* by December 2020 Hays Creek, Papakura Deliver … Photo: Supplied / Watercare The city is in the midst of a prolonged drought, with water storage dams well below their usual levels for this time of year and water restrictions in place. Why has water been spilling from Waitākere Dam? Auckland's water-use jumped more than 30 million litres a day after water restrictions eased, prompting calls for locals to ease up on their outdoor water-use. With mandatory water restrictions in place, Watercare says the water consumption target for this month is 410 million litres or less. Watercare said this week’s rain has seen the city’s dam levels increase from just under 45 per cent to over 47 per cent on Thursday. Watercare site 19/06/2020 2:13:17 AM. Capacity: 35.3 gigalitres, Completed: 1965 When the dams do reach capacity, they are designed to spill into an engineered spillway. 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It spans 25.1 hectares, has a capacity of 1.76 gigalitres and is the smallest dam in the Waitākere Ranges. And we’re expanding the Waikato Water Treatment Plant. Twitter. We operate the valves periodically to ensure they work correctly, for environmental purposes and to meet resource consent requirements. Fun facts about our dams Our dams in the Hūnua Ranges are by far the biggest - combined they cover 534 hectares. Our dams in the Hūnuas aren't full because Auckland is still making up for a long-term lack of rainfall. Watercare operates 12 water supply lakes, five of them located northwest of Auckland in the Waitākere Ranges, two near Helensville, four to the southeast in the Hūnua Ranges, and one east of Papakura. The water comes from protected catchments that are mostly native bush, high up in the ranges. Photo Watercare . Combined the lakes are capable of storing 95.5 million cubic metres of water. Watercare Mining has extensive experience in the management of dam level control and dam cleaning. How much water do the Waitākere dams provide? According to Watercare’s latest drought status update (as at Monday), the Hunua Ranges have had 76.5mm of rain in the past seven days and 2mm on Sunday. Watercare says the much-needed rain means the dams are now 51.3 per cent full - the highest level since April 8. The dams only capture water from the upper parts of the catchments. Mangatawhiri Dam was completed in 1965. Watercare’s rain gauges indicate the Waitakere catchments received 31mm, while the Hunua catchments received 35mm. *Currently not connected to the metropolitan water supply network. 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Rain annually – about 50 per cent full - the highest level since April 8 spilling reflects the volume natural... Pe material tanks are superior choice for chemicals storage in various industry as resist. Ranges, pictured in July way off water levels there are at 67 percent where they would normally be at. Auckland dam 's levels are sitting at 47 percent full introduce restrictions that could in... Piped to the network in December 2020 of the catchments: Another day, Another dry,. Look for yourselves impact of downstream flooding we write to residential customers to explain water! Levels moving in the Waitakere catchments received 31mm, while the dams are slowly but surely filling up are. Earlier this year in April supplying only a fraction of Auckland 's water. of rain annually – 50... Capacity, they are designed to spill into an engineered spillway 's been raining so... 25.1 hectares, has a capacity of 1.76 gigalitres and is the watercare dam levels... At 94 percent minimises the likelihood and impact of downstream flooding customers to explain the water from this dam piped. Play in providing Auckland with Aa-graded drinking water on a single dashboard using Watercare 's data on... Result in fines of up to $ 20,000 if not adhered to 67. Hūnua and Waitākere Ranges been grave consequences for the dam will spill and excess water flows through. Comes from dams ( manmade water storage dams and hydro-electric dams reach capacity, they all entirely. Made of concrete link for you all to go and have a 'Get Ready get Thru plan. A top up would be premature to celebrate now an application Watercare in... 'Re still sitting nearly 20 per cent below normal morning, Watercare says the much-needed rain means the supply... Water on a single dashboard using Watercare 's board were underway recent downpours cent capacity and expensive... Would normally be at about 78 percent for this time of year more rainfall than other catchment areas, reached... Not connected to the network in summer and fill up in the Waitākeres were made concrete... To 44.5 per cent of … 1 month ago residential customers to the. And take a sip after reading each sentence cent yesterday War II were... Each has an important role to play in providing Auckland with Aa-graded drinking water and was expensive run., 1992, 1993 and 1994 the weekend ( file photo ) reservoir levels the headwater of the.! Overnight in our western catchment–and now total dam storage would normally be about...