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Topic: Teton Dam

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Idaho Falls, Idaho

	Bureau of Reclamation, Pacific Northwest Region, Idaho
		The goal of the Safety of Dams program is long-term stability of the dam to protect lives, property, and insure the physical integrity of the dam.
		To determine what impacts occurred in this upstream canyon reach (from the filling of Teton Reservoir and subsequent failure of Teton Dam), a geomorphology and river hydraulics study was completed by Reclamation during 1997-2000, more than 20 years after the dam failure.
		When Teton Dam failed, the reservoir was 270 feet deep (at the dam) and drained in less than six hours.
	www.usbr.gov /pn/about/Teton.html (190 words)

	Teton Dam - Wikipedia, the free encyclopedia
		The Teton Dam was a dam on the Teton River in southeastern Idaho in the United States that suffered a spectacular failure on June 5, 1976.
		The dam was located in the Teton Canyon approximately 44 miles (71 km) northeast of the city of Idaho Falls.
		A wide-ranging controversy erupted from the dam's collapse.
	en.wikipedia.org /wiki/Teton_Dam (542 words)

	TETON BASIN PROJ. DRAFT 2
		Teton Dam lay in Fremont County, and was intended to serve agricultural lands of the Fremont-Madison Irrigation District, in Fremont and Madison Counties.
		The dam sat on the Teton River, a tributary of the Henrys Fork of the Snake River.
		Also in pursuit of the cause of the Teton Dam failure, a subcommittee of the House of Representatives Committee on Government Operations held hearings on the failure in August 1976, chaired by Congressman Leo J. Ryan, who was later killed in Guyana in November 1978, by followers of Jim Jones.
	www.usbr.gov /dataweb/html/teton.html (8544 words)

	Reference.com/Encyclopedia/Dam
		Earth dams, also called earthen and earth-fill dams, are constructed as a simple homogeneous embankment of well-compacted earth, sometimes with a watertight concrete or clay core or upstream face, or sometimes with a hydraulic fill to produce a watertight core.
		Gravity dams can also be classified as "overflow" (spillway) and "non-overflow." Grand Coulee Dam is a solid gravity dam and Itaipu Dam is a hollow gravity dam.
		Parker Dam is an arch dam constructed of concrete.
	www.reference.com /browse/wiki/Dam (1795 words)

	Tuttle Creek Dam Safety Assurance Program
		R: The failure of Teton dam caused extremely rapidly rising flows that were clearly a threat to life.
		The lake depth and downstream valley configuration of Tuttle Creek Dam is much different than that of Teton Dam and a "wall of water" is not shown to be present in flow modeling performed to date.
		R: Modeling of a dam breach due to an earthquake with the lake at multipurpose pool is being used to evaluate potential economic impacts and evaluation of the population at risk since it is the most probable scenario.
	www.nwk.usace.army.mil /projects/tcdam/community-comments5-01/community-comments5-hydrologic.htm (996 words)

	Rexburg, Idaho Chamber of Commerce - Site to See, Teton Dam Site and Flood Museum
		The Teton Dam was in the final stages of completion when it collapsed in June 1976.
		The water behind the dam found its way into cracks in the canyon wall and got beyond the grout walls that had been placed in the dam to prevent water seepage.
		The Tabernacle was heavily damaged by the Teton Dam Flood and the LDS Church was considering tearing it down, instead it was sold to the City of Rexburg.
	www.rexcc.com /sitestosee/tetondam.html (393 words)

	[No title] (Site not responding. Last check: 2007-10-20)
		and the dam was breached at 11:57 a.m.
		The possibility of dam failure is predicted upon the assumption that construction personnel were not aware of the deep freezing and possible effects and did not excavate the soil deep enough and recompact it to specification limits.
		The Teton Dam was unacceptable compared with common general practice in the industry because it did not provide for the needed conservative rock surface crack sealing and filters.
	web.ics.purdue.edu /~lee73/data/TetonDam.doc (6726 words)

	Teton Lodge
		Teton is a city located in Fremont County, Idaho.
		Teton is located at 43°53'16" North, 111°40'9" West (43.887664, -111.669289).
		The most common explanation is that "Grand Teton" means "large teat" in French, being named by either French-Canadian or Iroquois members of an expedition led by Donald McKenzie of the Northwest Company.http://www.cr.nps.gov/history/online_books/grte1/chap5.htm However, other historians disagree, and claim that the mountain was named after the Teton Sioux tribe of Native Americans.
	www.artistbooking.com /trips/197/teton-lodge.html (766 words)

	Failure of Teton Dam (Site not responding. Last check: 2007-10-20)
		On a beautiful June morning in 1976, workers near the newly constructed Teton Dam in southern Idaho noticed a small leak in the 405-foot-high dam as the reservoir behind it was being filled.
		Pillai came up with possible vertical internal cracks in the upper portion of the dam, with deepest one, a 32-foot-deep crack, extending from the top of the dam in the right abutment, near where the breach was triggered.
		The hole in the dam face continues to enlarge upward near the crest of the dam, the rush of water increases markedly, and erosion cuts deep into bedrock of the abutment.
	www.ce.wsu.edu /Faculty_Staff/Muhunthan/TetonDam.htm (642 words)

	Teton Dam Failure Site (Site not responding. Last check: 2007-10-20)
		The Teton Dam, a brand new 305-foot high earthen dam, broke in 1976, flooding the downstram towns of Rexburg, Wilford, Sugar City, Salem and Hibbard.
		Seepage was reported and inspected the day before the failure, and work crews attempted to fill growing breaks in the dam minutes before it gave out, fleeing on foot as the widening gap swallowed their bulldozers.
		The town of Rexburg, 12 miles from the dam (population 10,000), was as much as 80% destroyed.
	ludb.clui.org /ex/i/ID3147 (246 words)

	[No title]
		This was a dam that was being built by a Federal agency and was being filled with water when it began to catastrophically collapse, killing a number of people who were in the river just downstream and flooding several towns in eastern Idaho.
		Dams can be built upstream of areas that have no recognition at all that they are in a flood hazard area.
		Every state has a dam safety office, and it is their function to inventory and designate each dam with a safety categorization.
	www.fema.gov /rams/transcripts/cook0605.doc (549 words)

	deseretnews.com \| 30 years after dam failure, Teton Basin still in limbo
		BOISE — When the leaking face of the brand-new Teton Dam gave way on June 5, 1976, and 80 billion gallons of water surged down a valley of eastern Idaho farming towns, it left behind the lakebed, empty except for mud and debris from landslides as banks caved in.
		Yet upstream from the earthen pyramid remnant of the dam, the drained bathtub of the Teton Basin remains unrestored, undeveloped and undiscovered.
		The remnants of Teton Dam are seen in 2002; the structure at left was the spillway.
	deseretnews.com /dn/view/0,1249,635212792,00.html (1035 words)

	MoDNR Background for Dam Safety Legislation in Missouri (Site not responding. Last check: 2007-10-20)
		Dam failures, however continue to occur with destructive and sometimes fatal results.
		The problem of unsafe dams in Missouri was underscored by dam failures at Lawrenceton in 1968, Washington County in 1975, Fredericktown in 1977, and a near failure in Franklin County in 1978.
		Technical assistance and the review of plans and specifications for new dams by the Department of Natural Resources is extremely valuable to the owners and those people living downstream of the dam that could be flooded in the event the dam should fail.
	www.dnr.mo.gov /env/wrc/damsft/bkgrd.htm (392 words)

	Teton Homes
		The Teton River, a tributary of the Missouri River in Montana in the United States
		The Teton River, a tributary of the Snake River in Wyoming and Idaho in the United States.
		The two principal summits are the Grand Teton at 13,772 ft (4198 m) and Mount Moran at 12,605 ft (3842 m); most of the range is within the Grand Teton National Park.
	www.artistbooking.com /trips/197/teton-homes.html (693 words)

	CLUI - Newsletter
		Hundreds of dams have failed in America (including one near the CLUI Los Angeles Office - the Baldwin Hills Dam, which broke in 1963, killing five people), but three incidents stand out for their magnitude and the severity of the disastrous effects of their failure.
		All earthen dams will collapse if water is allowed to spill over the top the dam, as the erosive force of the water quickly eats away at the loose material.
		In each case, remnants of the South Fork Dam, the Teton Dam, and the St. Francis Dam remain on site, at the foot of their respective empty reservoir basins, haunting physical evidence of the limitations of artificial terrestrial engineering.
	www.clui.org /clui_4_1/lotl/lotlw00/dam.html (1147 words)

	Zeb Palmer Writes… - » Teton Dam Disaster: June 5, 1976
		The Teton Dam was built on the Teton River upstream from Rexburg, Idaho.
		The American Falls Dam was in poor condition, and was in the process of being replaced.
		The old dam could hold only about 1.2 million acre-feet due to it’s deterioration as such the replacement dam was being constructed just downstream from the old one but wasn’t done yet.
	www.zebpalmer.com /2006/06/05/teton-dam-disaster-june-5-1976 (621 words)

	RRT: Pg73
		The Teton Dam, built on the Teton River 3 miles upstream from Newdale, was designed to provide irrigation water to farms in the Upper Valley of the Snake River, north and east of Rexburg.
		The possibilities of a dam on the Teton River were discussed as early at 1904.
		The Teton Dam was authorized in 1964, and the construction contract was awarded in December, 1971.
	imnh.isu.edu /digitalatlas/geog/rrt/part3/chp8/73.htm (303 words)

	[No title]
		Teton Dam toppled in 1976 during initial filling, due to a design and construction deficiency.
		Approximately 50 percent of Reclamation's dams were built between 1900 and 1950 and approximately 90 percent of the dams were built before current state-of-the-art design and construction practices.
		Considering the age of Reclamation dams, the ongoing monitoring, facility reviews, analysis, investigations, and emergency management are critical components of the dam safety program.
	www.doi.gov /ocl/2000/hr3595.htm (1229 words)

	age of dams (Site not responding. Last check: 2007-10-20)
		On May 31, 1888, a privately-owned dam erected on a fork of the Conemaugh River by the Pennsylvania Canal Company failed during a series of tremendous rainstorms, and the 50,000 acre-foot reservoir — perhaps the largest in the world at the time — wiped Johnstown, Pennsylvania and 2200 souls off the face of the earth.
		Teton Dam is an example of a dam that shouldn't have been built: a Congressional gift to a small (but politically powerful) collection of potato farmers who applied a hundred inches of water to their irrigated crop, but demanded more.
		Dams that, according to polls, the majority of people want to remove, aren't removed — because some people remain opposed, and many modern politicians are petrified of proceeding without consensus.
	www.earthinstitute.columbia.edu /library/earthmatters/spring2000/pages/page23.html (2186 words)

	Hendrik Schoeman
		The dam was constructed to provide flood control, power generation, recreation, and water to irrigate 111,000 acres of farm land in the upper Snake River Valley in Idaho.
		It was concluded that the seepage under the dam was the cause of failure since there was no flow around the edges of the Teton dam.
		The Teton dam’s failure was caused by piping within the dam wall and also moving water contacting the impermeable core due to cracks in the foundation.
	www.missouri.edu /~hasdnf/disasters.htm (2724 words)

	Friends of the Teton River - News - Detail
		Teton River - (06/11/2006) - The Teton River in eastern Idaho is a river sent from heaven.
		The stretch in the Teton Basin near Driggs and Victor is a mellow, meandering river that's known for its fly fishing and incredible views of the magnificent Teton Peaks.
		This is not the canyon section where the Teton Dam famously collapsed.
	www.tetonwater.org /news_detail.php?PrimaryKey=20 (617 words)

	tetondam.org
		The disaster brought attention to the unchecked practice of dam building by the Bureau of Reclamation.
		The Teton Dam Project is a non-profit project put together by Jonathan Long.
		For more information about the Teton Dam or this project in general, please use the contact information found on this webpage.
	www.tetondam.org (142 words)

	Brigham Young University - Idaho Scroll (Site not responding. Last check: 2007-10-20)
		June 5, 1977, brought a surprise to residents of Rexburg and surrounding towns when a leak in the barely completed Teton Dam caused a third of the dam to crumble, spilling 80 billion gallons of water onto the ground below.
		The Teton Dam was located in Fremont County, Idaho, in the Teton River Canyon above Wilford and was completed in 1976.
		When officials noticed a leak in the dam, bulldozers were sent in to repair the damage, but when efforts were unsuccessful the leak turned into a hole 25 feet in diameter.
	www.byui.edu /Scroll/092600/15.html (252 words)

	Research News & Features - Finally, the failure of the Teton Dam is explained
		On a beautiful June morning in 1976, workers near the newly constructed Teton Dam in southern Idaho noticed a small leak in the 405-foot-high dam as the reservoir behind it was being filled.
		Schofield himself had investigated the failure of Teton Dam and disagreed with the official conclusions of the investigative panels.
		Pillai came up with possible vertical internal cracks in the upper portion of the dam, with the deepest one, a 32-foot-deep crack, extending from the top of the dam in the right abutment, near where the breach was triggered.
	researchnews.wsu.edu /physical/41.html (1238 words)

	FEMA: National Dam Safety Awareness Day
		Closer to home in the Pacific Northwest, are the Willow Creek Dam failure which almost destroyed the town of Heppner, Oregon on June 14, 1903 and the June 5, 1976 Teton Dam failure in Idaho.
		The Teton Dam failure sent 20 billion gallons of water spilling down Teton Canyon towards Willford, Teton, Sugar City, Rexburg, Roberts and Idaho Falls, causing over $2 billion in damages and contributing to the deaths of eleven people.
		Of over 80,000 dams across the country, 9,000 have been designated by their state as "high hazard dams," but according to FEMA Regional Director John Pennington, a "high hazard" designation has less to do with the strength of the dam than with threats posed to downstream populations if a given dam does fail.
	www.fema.gov /news/newsrelease.fema?id=26384 (382 words)

	Watershed Council
		The Teton Dam, located in the Teton Canyon, was built by the U.S. Bureau of Reclamation beginning in 1972 until June 1976 for irrigation, flood control, and electricity production.
		The reservoir behind the dam was 17 miles long with a total capacity of 288,250 acre feet of water.
		The dam was completely breached at 11:57 AM when the crest of the dam embankment was engulfed by the ensuing water.
	www.henrysfork.com /watershedcouncil/council.htm (2917 words)

	12-335 Soil Mechanics (Site not responding. Last check: 2007-10-20)
		One of the most well known dam failures in the U.S. is the Teton Dam failure.
		Teton Dam was an earth dam, built on the Teton River in Idaho.
		Increases in the quantity of water seeping through the dam were observed in the morning of June 5, 1976.
	caae.phil.cmu.edu /edm/soil/page04_1.html (357 words)

	IdahoPTV - Outdoor Idaho "The Bureau That Changed the West"
		There are bound to be some distressing events, and my first was the 1976 Teton Dam collapse: What happened on that June morning took eleven lives and cost $2 billion.
		Teton Dam, a 305-foot-high Bureau of Reclamation project in eastern Idaho, was supposedly fail-safe.
		The dam's failure was due to a design flaw caused by BuRec engineers in the Denver office.
	www.idahoptv.org /outdoors/shows/bofr/teton/andrus.html (1285 words)

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