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Topic: Lake Maraetai

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	MIGHTY RIVER POWER : LAKES & POWER STATIONS (Site not responding. Last check: 2007-11-04)
		Lake Taupo is one of New Zealand's premier tourist attractions and a world-renowned trout fishing lake.
		THE LAKE CATCHMENT of 3300sq km covers many streams and rivers with the largest inflows coming from the Tongariro River and from the Tongariro Power Development, both of which drain the peaks in the Kaimanawa Ranges and Tongariro National Park.
		Mighty River Power operates the lake within a narrow 1.4 metre range, using the gates to ensure that the water is used efficiently and managed in response to inflows to Lake Taupo and energy demand patterns.
	www.mightyriverpower.co.nz /lakes_power_stations/lakes/taupo (1000 words)

	Encyclopedia: Waikato River (Site not responding. Last check: 2007-11-04)
		Large artificial lakes connected with hydroelecticity generation are found on the river at Maraetai, Arapuni, and Karapiro.
		Lake Arapuni is one of several artificial lakes formed as part of a hydroelectricity scheme on the Waikato River in the North Island of New Zealand.
		Lake Karapiro is one of several artificial lakes formed as part of a hydroelectricity scheme on the Waikato River in the North Island of New Zealand.
	www.nationmaster.com /encyclopedia/Waikato-River (961 words)

	MIGHTY RIVER POWER : OUR BUSINESS (Site not responding. Last check: 2007-11-04)
		LAKE TAUPO is the main reservoir and 'fuel source' for the hydro system on the Waikato River.
		The lake's level is primarily influenced by the hydrological conditions in the catchment, but is also affected by the regulatory requirement on Mighty River Power, to maintain flows down the Waikato River.
		The generating units in Maraetai II have sophisticated frequency control and time-error correction equipment, allowing the powerhouse to respond to changes on the national grid in order to maintain the necessary balance between supply and demand.
	www.mightyriverpower.com /our_business/power_generation/hydro (1214 words)

	GNS:Volcanoes
		At the beginning of the eruption, the vent was clear of the lake as there is minimal evidence for water involvement with the erupting magma.
		However the lake eventually breached the vent and several stages of the eruption were dominated by mixing of the magma and lake water, with fine ash being formed.
		On the lake shore, a rise or fall of the land will be more obvious, as the shoreline will move out or in locally, without an overall rise or fall of the lake level.
	www.gns.cri.nz /what/earthact/volcanoes/nzvolcanoes/taupoprint.htm (3885 words)

	New Zealand Lake Levels - Mighty River Power (Site not responding. Last check: 2007-11-04)
		The lake is operated within a range of 1.4m, (equivalent to just one percent of the total volume of the lake), to closely mimic natural fluctuations in the lake level.
		The level of the lake is also affected by the regulatory requirement to maintain set flow volumes down the Waikato River, irrespective of rainfall in Lake Taupo's catchment.
		Daily fluctuations in the hydro lake levels are usually the result of changes in demand for electricity, which is generally greatest in the morning and evening when household electricity consumption is high.
	www.mightyriverpower.com /new_zealand_lake_levels.htm (342 words)

	Mangakino Lakeside Village
		Mangakino Lakeside Village is nestled on the shores of Lake Maraetai in the heart of the North Island.
		It is surrounded by lakes, forests, farmland and wilderness areas, making it the perfect place to enjoy a quiet lifestyle, easy access to a variety of outdoor pursuits, in an unspoiled natural environment.
		Maraetai I: built during the late 1940s and commissioned in 1952.
	www.taupodc.govt.nz /AboutTaupoDistrict/Overview/MangakinoLakesideVillage.htm (411 words)

	Reservoirs and dams in New Zealand (Site not responding. Last check: 2007-11-04)
		In the upper Waitaki, water is passed from storage lakes through canals to each power station.
		Lake Waikarimoana Scheme - 3 Dams: Kaitawa (36 MW), Tuai (60 MW), and Piripaua (42 MW).
		Lake Coleridge (45 MW) (205 to 300 GWh) - Canterbury - Diverted rivers and natural lake.
	www.serebella.com /encyclopedia/article-Reservoirs_and_dams_in_New_Zealand.html (980 words)

	Right Pane (Site not responding. Last check: 2007-11-04)
		It was found in Lake Ohakuri, one of eight hydrolakes lying between Lake Taupo and the sea.
		By 1966 it was established in the three hydroelectric lakes immediately downstream of Ohakuri (Atiamuri, Whakamaru and Maraetai), and 5 years later it had reached the remaining downstream hydroelectric impoundments and, downstream of these, was found in the main river channel to the river’s mouth.
		It is likely that the weed entered the lake through someone’s carelessness, not cleaning their boat or fishing nets of weed before using the lake.
	www.chisholm.co.nz /hornwort_invasion.html (769 words)

	MIGHTY RIVER POWER : LAKES & POWER STATIONS (Site not responding. Last check: 2007-11-04)
		Generating units in Maraetai II have sophisticated frequency control and time-error correction equipment, allowing the powerhouse to respond to changes on the national grid in order to maintain supply consistency.
		A long canal directs water from the lake to Maraetai II powerhouse, located 500 metres downstream of the first powerhouse on the left river bank.
		The generating units in the Maraetai II have sophisticated frequency control and time - error corrections equipment allowing this powerhouse to be used for frequency keeping - they respond to the ebb and flow of power on the national grid in order to maintain a constant current and voltage.
	www.mightyriver.co.nz /lakes_power_stations/lakes/maraetai (864 words)

	wiki/Taupo Definition / wiki/Taupo Research (Site not responding. Last check: 2007-11-04)
		of lake area, both in Lake Taupo, the country's largest lake, and also in the smaller Lake Rotoaira Lake Rotoaira (sometimes written Lake Roto-aira) is a small lake to the south of Lake Taupo on the North Island Volcanic Plateau in New Zealand.
		The lake is located to the north of the broad volcanic dome of Mount Tongariro and is drained by the Pouto Stream into the Tongariro River....
		Rotorua Rotorua is a city located on the southern shore of Lake Rotorua in the Bay of Plenty region of the North Island of New Zealand.
	www.elresearch.com /wiki/Taupo (2580 words)

	Waikato River - Wikipedia, the free encyclopedia
		Located in the northwestern North Island, it runs for 425 kilometres from the eastern slopes of Mount Ruapehu, joining the Tongariro River system and emptying into Lake Taupo, New Zealand's largest lake.
		It drains Taupo at the lake's northeastern edge, creates the Huka Falls, then flows northwest, forming the Waikato Plains.
		The power scheme begins at Lake Taupo which has control gates to regulate the flow of water into the river.
	en.wikipedia.org /wiki/Waikato_River (411 words)

	MIGHTY RIVER POWER : ABOUT US (Site not responding. Last check: 2007-11-04)
		With completion of an upgraded spillway in 1989, MCLs for lakes Ohakuri, Atiamuri, Whakamaru and Arapuni were again raised, although the MCL for Karapiro was lowered.
		The agreement also required that the diverting of 'introduced water' from the TPD should cease when the level of Lake Taupo had reached, or was clearly likely to reach, the MCL.
		This enabled closer control of the level of the hydro lakes to enable the hydro stations to operate as peak demand generators.
	www.mightyriver.co.nz /lakes_power_stations/lake_levels/more_on_lake_levels.asp (478 words)

	Waikato IDG: Assessment of Environmental Effects: Part A: Principal Findings and Conclusions - 4. Description of ...
		This is 14 times the combined storage available in the downstream Waikato lakes due to their small surface areas and operational ranges of less than two metres.
		In Lake Aratiatia virtually the full 1.4 m range is used, whereas in Lake Karapiro water levels are mainly kept within the top 35% of the 1.9 m range.
		Potential conflicts with other lake users resulting from possible difficulties with access and lake weed would need to be identified and suitable mitigation measures put in place should this occur.
	www.med.govt.nz /ers/electric/ertu/waik_idg_aee/parta/waik_idg_aee_parta-03.html (775 words)

	wiki/Lake Arapuni Definition / wiki/Lake Arapuni Research (Site not responding. Last check: 2007-11-04)
		Lake Arapuni is one of several artificial lakes formed as part of a hydroelectricity Hydroelectricity, or hydroelectric power, is a form of hydropower, (i.e.,the use of energy released by water falling, flowing downhill, moving tidally, or moving in some other way) to produce electricity.
		It is located 65 kilometres southeast of Hamilton, to the north of Mangakino Mangakino is a small town on the banks of the Waikato River in the North Island of New Zealand.
		The dam, at the small settlement of Arapuni at the lake's northern end, was the first constructed on the Waikato, and was completed in 1929.
	www.elresearch.com /wiki/Lake_Arapuni (308 words)

	MIGHTY RIVER POWER : LAKES & POWER STATIONS (Site not responding. Last check: 2007-11-04)
		If you intend to use the hydro lakes for any recreational or other purpose, please ensure that your activity can be safely carried out if the actual water levels change.
		Water available for hydro generation from Lake Taupo is only about 1% of the total volume of the lake.
		Lake Taupo has 93% of total storage, while the lake with the smallest storage Aratiatia has just 0.1% of total storage).
	www.mightyriverpower.co.nz /lakes_power_stations/lake_levels (395 words)

	The Pouakani Report 1993
		Maraetai II: commenced in 1959 and completed, after a break in construction, in 1970.
		One of the obvious visual impacts of the power schemes is the flooding of land by hydro lakes.
		The corporation does not own any beds of lakes or rivers which are expressly excluded from transfer in the asset sale and purchase agreement.
	www.knowledge-basket.co.nz /oldwaitangi/text/wai033/doc072.html (1567 words)

	Fish and Game New Zealand
		Lake Waikaremoana has exceptional summer fisheries for brown trout along the lake shores and rainbow trout for boat anglers.
		Lake Rotorua has one of the highest catch rates of fish in New Zealand, with excellent boat and winter stream fishing for rainbows, while some monster browns can entice those looking for larger fish.
		Lakes Rotomahana and Tikitapu also have their own special charm and local devotees, while Lake Rerewhakaaitu attracts shorebased anglers with good numbers of quality fish.
	www.fishandgame.org.nz /SITE_Default/SITE_your_region/SITE_Eastern/Fishing/Eastern_Access_Overview.asp (543 words)

	hydroelectricity in TutorGig Encyclopedia (Site not responding. Last check: 2007-11-04)
		Lake Mahinerangi is a small hydroelectricity hydroelectric lake located on the Waipori River 35 kilometres to the west of Dunedin in New Zealand s South Island.
		Lake Waitaki is the smallest lake, and last lake downstream, of the Waitaki River Waitaki hydroelectricity hydroelectric project in New Zealand s South Island.
		Lake Aviemore is part of the Waitaki River Waitaki hydroelectricity hydroelectric project in New Zealand s South Island.
	www.tutorgig.com /es/hydroelectricity (709 words)

	NZ WATER NEWS (Site not responding. Last check: 2007-11-04)
		Many of the nation's lakes will remain off limits for summers to come with scientists predicting the level of algal blooms in New Zealand's waterways is going to get worse.
		Lake Rotorua, long a symbol of North Island tourism, might today be in a state of toxicity triggered by recent climate and wind patterns and the long-term effects of nitrate run-off from farms, but it can be salvaged and restored if we act now.
		Water in Lake Maraetai is back to normal after a spill of treated sludge from the Kinleith paper mill earlier this month.
	www.waternz.co.nz /archives/2004_01_01_nzwaternews_archive.html (5644 words)

	[No title]
		Good numbers of waterfowl are found at the Whakamaru Christian camp end of the lake, although we suggest that a fit dog is needed in some areas where the current is strong.
		Lake Maraetai, on the side opposite Mangakino village, is also recommended.
		Forests on the western side of Lake Taupo, or on the shores of some of the Waikato hydro-electricity lakes, are another option.
	www.fishnhunt.co.nz /howto/hunting/eastern.htm (1835 words)

	Manukau City Council Stormwater Catchments
		In 1994 the Otara Lake Accord was signed between the former ECNZ, Manukau City Council, Auckland Regional Council and members of the the community.
		It is clear from extensive community consultation process that an additional goal is sought by the community, that is, for Otara Lake to becomea focus for multi-cultural activities.
		Key to achieving improved use of the lake and its surrounds is water quality.
	www.manukau.govt.nz /tec/catchment/otara_pages/otara_improvement_worley.htm (188 words)

	[No title]
		Lake Maraetai is the last of the hydro lakes on the Waikato River that is in the Eastern Fish and Game region.
		Lake Maraetai is extremely popular with local anglers in the Mangakino district and, as all fishermen know, the locals know where the best fishing spots are.
		While rainbow trout may be taken from Lake Maraetai, there is a very large population of browns and they make up most of the anglers catch.
	www.fishnhunt.co.nz /howto/fishing/waikato.htm (1095 words)

	Lake Maraetai -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-04)
		Lake Maraetai -- Facts, Info, and Encyclopedia article
		It is located 85 kilometres southeast of (A port city in southeastern Ontario at the western end of Lake Ontario) Hamilton, close to the town of (Click link for more info and facts about Mangakino) Mangakino.
		It is a relatively small lake, covering only 4.4 km
	www.absoluteastronomy.com /encyclopedia/L/La/Lake_Maraetai.htm (76 words)

	Hornwort invasion (Site not responding. Last check: 2007-11-04)
		It was found in Lake Ohakuri, one of eight hydro lakes lying between Lake Taupo and the sea.
		In February 1999 hornwort was found in the weed mass removed from the Tokaanu hydroelectric station's intake screen at the northern end of Lake Rotoaira.
		Thus, assuming it takes a year or two from introduction to becoming a noticeable component of the lake's flora, it took over 20 years for hornwort to travel the approximately nine kilometres from the southern end of Lake Taupo to Lake Rotoaira.
	www.bulzeye.co.nz /hornwort.htm (815 words)

	Taupo-Rotorua holiday homes, accommodation and bach rental in NZ (Site not responding. Last check: 2007-11-04)
		The cottage is situated on the shores of Lake Taupo.
		This house is a new modern home situated five minutes walk from the Lake and boat ramp in a quiet cul-de-sac.
		The house is 2 minutes walk from the Lake with views of Mount Ruapehu and glimpses of the Lake.
	www.bookabach.co.nz /__Taupo-Rotorua.cfm (1021 words)

	List of New Zealand lakes - Wikipedia, the free encyclopedia
		This list is incomplete ; you can help by expanding it.
		This a partial list of New Zealand lakes, reservoirs, and lagoons.
		Crater Lake (Mount Ruapehu) - see Mount Ruapehu
	en.wikipedia.org /wiki/List_of_New_Zealand_lakes (66 words)

	[No title] (Site not responding. Last check: 2007-11-04)
		Maraetai Beach, east of Auckland will stage round two of the Spa and Pool Factory National Offshore Powerboat Championship this Saturday, and is ready for possibly the most explosive race to be seen in years.
		Maraetai’s 2004 winner, Wellington’s Grant Smith and his new American designed Douglas Skater, Sytec Racing is another to watch.
		Obviously keen to consolidate his spot at the top of the class 3 points ladder, Smith is equally determine to regain the national title, a crown he last wore in 2002.
	www.nzoffshore.co.nz /gallery/media2005/press_maraetai_6feb05.htm (854 words)

	Reservoirs and dams in New Zealand (Site not responding. Last check: 2007-11-04)
		The hydro stations, starting from Lake Taupo, are (capacity in MW andnominal annual energy output in GWh):
		In the upper Waitaki, water is passed from storage lakes through canals to each powerstation.
		The Manapouri Control Structure (Mararoa dam) downstream from the original outlet of Lake Manapouri controls thelake level, and feeds water from the Mararoa river back up the river into the Lake.
	www.therfcc.org /reservoirs-and-dams-in-new-zealand-109602.html (459 words)

	Definition of Reservoirs and dams in New Zealand
		Project Aqua was a proposed scheme of 6 dams on a man made canal running from the Waitaki Dam to the sea.
		Lake Waikaremoana Scheme - 3 Dams: Kaitawa (36 MW), Tuai (60 MW), and Piripaua (42 MW).
		Lakes Manuwai and Waingaro at Kerikeri, purpose-built irrigation dams containing 12,800,000 m3 of water
	www.wordiq.com /definition/Reservoirs_and_dams_in_New_Zealand (648 words)

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