Dams at Risk: 65-Foot Crack in Washington State Dam

A large crack has been found in the Wanapum Dam on the Columbia River which supports the utility power supply to a major cluster of data centers in central Washington state.

 

65-Foot Crack Found in Washington State Dam (Feb 25)

The 2-inch-wide crack was found Thursday after divers were sent into the Columbia River because engineers detected a misalignment in a spillway on Wanapum Dam near the central Washington town of Vantage, said Tom Stredwick, a spokesman for the Grant County Public Utility District.

The Wanapum Dam generates more than 1,000 megawatts of electricity for the Grant County PUD, the utility that provides electricity to major data centers operated by Microsoft, Yahoo, Dell, Sabey Data Centers and Vantage Data Centers.

On February 25, dam officials noticed an irregular bowing of the dam near a section of a spillgate pier along the mile-long structure. Divers examined the area Thursday and discovered a two-inch wide crack running horizontally, located about 75 feet below the water’s surface. It runs the entire width of the 65-foot-wide pier.

The risk of a failure of the dam is high enough that the county has initiated an emergency plan. To relieve pressure on the dam, the water level is being lowered by 20 feet.

Source

 

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Owen Falls Dam in Uganda Falling Apart (Feb 28)
The Owen Falls dam in Jinja could cave in, if the cracks and damage to the dam are not repaired, an official of Eskom, the hydro power generation company, has said.

Huge cracks continue to develop in the walls and supporting pillars of the dam. Water continuously sips through the gaping holes, expanding the cracks and making the dam weaker by the day.

Source

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Lake Manatee Dam at Risk of Collapse (Feb 14)

The Lake Manatee Dam in Bradeton, Florida is in a "severely distressed state" because of erosion, engineering consultants have found, forcing county officials to take corrective actions.

Heavy rains over four or five days could compromise the Lake Manatee Dam, Manatee County government warned in a news release February 14.

As a precaution, workers have begun to lower the water level of the lake.

Engineers and officials are concerned that the dam's clay core may have been compromised.

Source

 

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Water Gushes over Crumbling Dam in Zimbabwe (Feb 9)

A dam on the Tokwe river in the Masvingo area of Zimbabwe is close to bursting as water from heavy rains finding its way through gaps in the uncompleted dam wall.

Construction of the Tokwe Mukorsi dam began in 1998 but stalled in 2008. The dam was due to be completed at the end of last year but the deadline has passed with construction still not finished. Pictures from the area show water gushing through breaks in the wall and a huge build up of water in the reservoir behind it. Villagers have been evacuated as quickly as possible, with around 4,000 people believed to be at risk should the dam burst.

According to the Daily News, the Zimbabwe Air Force is helping people evacuate. The Minister for Masvingo province is quoted as saying that the government is on high alert and "A helicopter from the AFZ has been airlifting some families who were marooned by the floods but we are not yet sure how many people are still marooned."

Source

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"All dams will break either during the pole shift or in the months leading up to the hour of the shift. Look at the structure of the dam! It assumes that rock holding both sides of the dam will remain in place and not move. Of course these sides will move. This is a subduction zone! There is mountain building and even where the mountains are not being pushed upward, they are moving from side to side. Some parts are more fluid than others, which are more resistant during any earthquake thrust, so there IS inevitably movement to the side. They will pull apart, slide forward or backwards, but in any case the water will find its way around the dam." 

ZetaTalk Chat Q&A: July 18, 2009

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Comment by Howard on January 26, 2016 at 3:45am

Kenya Dam Reservoir Drains Overnight (Dec 24, 2015)

A 45,000 cubic meter dam reservoir, full to capacity, mysteriously disappeared overnight, leaving bewildered residents in a state of shock.

Residents of Ruiru village in Subukia Constituency said the ground developed a hole in the middle, swallowing all the water.

David Kimani, a farmer, said the dam was full to capacity on Monday, January 4, but by Tuesday morning, it was totally drained.

“The dam was first built in 1971 and has been supplying water to the villagers, especially for irrigation. Farmers have been left without option and may end up losing crop and livestock,” said Kimani.

Subukia sub county water officer and site engineer John Njogu, termed the incident as normal and said it was as a result of fault lines underground.

Subukia sits on the floor of the Rift Valley. Scientists say rifting still occurs along the 6,000-mile fissure that stretches from Lebanon to Mozambique, and slices Kenya into two segments. Evidence of volcanic activity along the rift is provided by the presence of numerous boiling hot springs in Kenya.

Sources

http://www.the-star.co.ke/news/2016/01/08/experts-explain-the-myste...

http://www.hivisasa.com/nakuru/news/104192

Comment by Starr DiGiacomo on December 31, 2015 at 9:37am

http://www.fox5atlanta.com/news/65836848-story

Dam Threatens to Fail, May Cut off Some Oconee County Residents

Posted:Dec 29 2015 05:39PM EST

Updated:Dec 30 2015 01:33AM EST

- The rains over the past week are causing major concerns for some residents in Oconee County. The dam above the Briar Lakes subdivision is in danger of collapsing.

Emil Beshara, Oconee County Director of the Public Works Division, said a tree fell on a corrugated pipe which is the dams spill way. That has resulted in the continual erosion of the private earthen dam.

Comment by Starr DiGiacomo on November 6, 2015 at 11:14pm

http://ecowatch.com/2015/11/06/dam-collapse-brazil/

Two Dams Collapse at Brazilian Mine, Village Engulfed in ‘Thick, Red Toxic Mud’

Two dams collapsed at the Germano iron ore mine in Brazil’s state of Minas Gerais yesterday, unleashing “a deluge of thick, red toxic mud that engulfed a village,” according to RTE News. Dozens are missing, but the exact number of injured and dead are unknown.

Reuters currently reports 30 injured and two dead, while RTE News reports 50 injured and 17 dead. The death toll is expected to rise as recovery efforts have been hampered by the mudslides, which knocked out roads and cell towers.

“In reality there are a lot more [dead], but we can’t confirm any more than that. We don’t even know that we’ll find everybody,” said firefighter Adão Severino Junior.

“The organization is mobilizing every effort to prioritize care for people and the mitigation of environmental damage,” Samarco, the company that runs the mine, told GloboNews.

An employee for Samarco told GloboNews that there were reports of seismic activity in the area leading up to the incident, however the company’s press representatives said, “We can not at this time confirm the causes and extent of the incident.”

“The collapse paralyzed operations at the mine, a joint venture between Vale and BHP Billiton, the world’s top iron ore miners and raised fears of an expensive cleanup,” said Reuters.

RTE reports:

Television footage showed a torrent of muck several hundred meters long that had swamped houses and ripped off their roofs.

The mud reached the intact roofs of some houses, atop of which stranded people waited to be rescued. Some homes appeared to have been swept hundreds of meters by the rushing wall of mud.

The village of Bento Rodrigues near the dam is practically buried, the fire chief said.

Dams are becoming increasingly dangerous as extreme weather events are on the rise. “Hundreds of thousands of dams across the planet pose risks in a climate changed world,” said Gary Wockner, an international river advocate based in Colorado, in an email to EcoWatch. “Whether it’s drought or flooding, most dams were engineered and built pre-climate change and may not be able to handle the extreme weather events that are likely to occur in the near future.”

Comment by jorge namour on November 6, 2015 at 12:21am

Mining dam breaks down and destroys Mining District - Minas Gerais -
BRASIL

05/11/2015

http://www.noticiasaominuto.com.br/brasil/154504/barragem-de-minera...

https://translate.google.com.ar/translate?sl=pt&tl=en&js=y&...

According to Mariana Prefecture, teams from the Fire Department, agents of the Municipal Guard and Municipal Civil Defense went to the site

A dam belonging to Samarco mining company broke this afternoon (5) in Bento Rodrigues district, rural area within 23 kilometers of Mariana, Minas Gerais, and flooded the region with mud, solid waste and water used in the mining process .

According to Mariana Prefecture, teams from the Fire Department, agents of the Municipal Guard and Municipal Civil Defense went to the spot

As the Municipal Guard, the entire district was flooded. There is no contact with the rescue teams, so it is not possible to determine the number of injured and missing. According to the Municipal Guara, health facilities in Mariana should receive the wounded.

Samarco asked that the residents of Bento Rodrigues evacuate the site and follow immediately to the Camargos district, which is taller and insurance.

According to the mayor, the situation there is very serious and there is a risk of landslides. Several houses were flooded.

In a statement, Samarco said there had been a breach of its tailings dam, called Fundão. "You can not at this time confirm the causes and extent of the incident, as well as the existence of victims," ​​the statement said.

Dams like we broke in Minas are made to retain the solid waste and water from mining processes. The waste is material that must be stored for environmental protection. With information from the Agency Brazil.

https://www.facebook.com/OficialSismologiaMundial/posts/92762689730...

World Seismology added 4 new photos.
31 mins ·


[ALERT]

# Now a brokenDAM Report toxic waste in Brazil. 11/05/2015.

The rupture of a tailings dam caused a flurry torrent of mud that flooded several houses in the district of Bento Rodrigues de Mariana, in the central region of Minas Gerais. According to the Fire Department There are 16 Dead and 45 Missing.

MAP: https://pt.wikipedia.org/wiki/Mariana


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Comment by Starr DiGiacomo on October 4, 2015 at 7:55pm

http://www.wltx.com/story/news/local/2015/10/04/small-dam-breaks-ne...

Small Dams Breaking, Roads Collapsing



1:04 p.m. EDT October 4, 2015

Lexington, SC (WLTX) - Several small dams have collapsed across the Midlands, sending extra water into roadways.

One of the first we got was at Old Mill Pond at East Main Street in Lexington. Roads in the area are , and drivers are asked to the area.

Arcadia Lakes Mayor tells News 19, the dam on Arcadia Lakes Drive East is completely gone, and as a , the roadway is gone. Arcadia Lakes Drive East is Closed.

The other dam in Arcadia Lakes Drive has eroded and is threatening collapse.

We also got a report that the Forest Lake Dam has collapsed.

There has also been a bridge collapse at Quail Creek Subdivision.

People should assume that small dams near them may collapse. If you live in a flood-prone area, you may want to evacuate, if it is safe to do so.

Comment by Starr DiGiacomo on September 9, 2015 at 3:37am

http://www.thedailystar.net/country/dyke-collapse-inundates-30-gaib...

12:00 AM, September 09, 2015 / LAST MODIFIED: 12:00 AM, September 09, 2015

Dyke collapse inundates 30 Gaibandha villages

Five kids drown in floodwater in Jamalpur, Bogra situation static
Star Country Desk

At least 32 villages in Sadar and Fulchhari upazilas of Gaibandha district were flooded following breach of Gaibandha town protection embankment (Sonail dyke) at Goderhat point yesterday.

Meanwhile, five children drowned in the floodwater in Jamalpur the same day.

The flood situation in other parts of Gaibandha remained static as Brahmaputra and Ghagot rivers were flowing 46 and 34 centimetres above the danger mark in the last 24 hours, said local Water Development Board (WDB) sources.

At least hundred metres of the dyke was washed away by the surging water, inundating a vast tract of croplands and a number of homesteads at the villages in Kholahati, Boali, Badiskhali and Ramchardapur unions of Sadar upazila; and Udakahali, Kanchipara, Gajaria and Uriya unions in Fulchhari upazila, reports our correspondent.

The flood victims, who took shelter on the dyke, are now staying under the open sky, said locals.

Fish fry of 200 ponds were washed away by onrush of water through the breach.

In Sadullapur upazila, one and a half kilometre area at Kazolghop on Sadullapur-Gaibandha road went under floodwater, disrupting communications.

“We earlier informed the authorities concerned about the vulnerable point of Sonail flood control dyke along the River Ghagot, but they did not take any initiative in this regard,” said Ibrahim Khalil Ulfat, chairman of Kholahati Union Parishad.

Seepage of floodwater continued through the dyke, but it was too late for taking precautionary measure to renovate the vulnerable point of dyke, said Gaibandha WDB Executive Engineer Abdul Awal.

In Bogra, water levels of Jamuna and Bangalee rivers were increasing, inundating around 150 villages in five upazilas of the district in the last seven days, reports our correspondent.

According to WDB, the Jamuna and the Bangalee were flowing 66 and 48 cm above the dangers marks, leaving over 1.50 lakh people marooned in the upazilas.

The affected upazilas are Sariakandi, Sonatola, Dhunat, Adamdighi and Shibganj.

The flood-hit people are facing acute crisis of food, medicine, drinking water and shelter.

The district administration has distributed 150 tonnes of rice, and Tk 9.15 lakh among the marooned people.

According to our Jamalpur correspondent, the situation in the district was improving as floodwater in many areas started receding.

However, the Jamuna was flowing 52 cm above the danger mark at Bahadurabad ghat point yesterday, said local WDB sources.

At least five kids drowned in the floodwater in the last 24 hours, said the sources.

At least 2.50 lakh people in seven upazilas of the district have been marooned.

Comment by Starr DiGiacomo on September 8, 2015 at 9:18am

http://newshence.com/dam-collapses-hundreds-of-houses-submerged-in-...

Dam collapses, hundreds of houses submerged in water

Posted On: September 06, 2015 8:46 PM

Thiruvananthapuram, Sep 6: Hundreds of houses in Maruthamkuzhy of capital city were submerged in water following the collapse of a bund here today.
Reacting to the mishap, Corporation Mayor K Chandrika alleged that the incident was due to the negligence of the water authority officials.Water from the Karamana river poured into the residential area following the damage of the bund. The damages caused to the properties are yet to be ascertained.

Comment by M. Difato on August 25, 2015 at 8:34pm

Kiama, Australia 

“The dam failure warning system for Jerrara Dam has issued a Red Alert for areas downstream of the dam stating the failure is imminent,” 

Dam overflows, waters rise

The SES has issued an urgent evacuation notice to residents living downstream from Jerrara Dam, west of Kiama, as severe weather hits the NSW south coast.

The dam’s wall has shown signs of failing due to heavy rainfall in the area, the SES said today.

“The dam failure warning system for Jerrara Dam has issued a Red Alert for areas downstream of the dam stating the failure is imminent,” the SES said.

A school nearby has been closed. 

School shut as dam threatens

A NSW south coast public school has been closed as a nearby dam wall threatens to break, in the midst of severe weather pummelling the region.

The SES issued an urgent evacuation notice to residents living downstream from Jerrara Dam, west of Kiama, just before 10am on Tuesday.

The dam wall has shown signs of crumbling as heavy rain continues to fall in the area.

The nearby village of Minnamurra would bear the brunt of it if the dam wall collapses, with the SES advising parents with children at Minnamurra Public School to collect them.

A spokeswoman at Minnamurra Public School, which has 430 students, said it’s a precautionary measure.

If the dam busts, it will cause extremely dangerous flooding to areas including Mt Brandon Road, Jerrara Road and Jamberoo Road, an SES spokesman said.

“We do not know what is going to happen,” he said.

“The dam is currently being decommissioned and we are noticing the water is spilling over the top and is too risky, we are asking residents to evacuate immediately.” Lisa, who works at Jamberoo Bowling Club, said if the dam wall goes there is a concern that water will flood the Minnamurra River which will flood low-lying parts of Kiama Downs.

She said parents have been told “Please don’t panic, but please pick up children from school”.

“The biggest issue we have is for parents that work out of town and left this morning and can’t get back in ... like what happened a couple of years ago,” she told AAP.

SES Deputy Commissioner Greg Newton said all properties that could be affected by flooding from Jerrara Dam have been evacuated. “Controls have been placed in that area to make sure people don’t back into that area or travel on any of the roads that might be at risk should we get significant flooding if the dam wall fails completely,” he told ABC radio.

Source: http://www.theaustralian.com.au/news/nation/tornado-rain-hail-storm...

Comment by Starr DiGiacomo on August 1, 2015 at 12:38am

http://www.punemirror.in/pune/civic/Temghar-trickles-away/articlesh...

Temghar trickles away

After Assembly debate, govt to form committee of experts to plug growing leakages that threaten to collapse new dam

Temghar dam has been leaking ever since it was first built. But, the leaks have become so pronounced now that the dam — which has been supplying water to the city for quite some time — is on the brink of collapse. After a debate in the legislative Assembly's monsoon session on Tuesday, the state government has decided to form a committee of experts to look into the problem. 

Surprisingly, Temghar is one of the newest dams and was fully completed only by 2010. "Khadakwasla is the oldest dam, but there is absolutely no leakage in it. My right to information (RTI) petition back in 2013 had revealed that Warasgaon dam, which was built before Temghar, has 3 per cent leakage, whereas Temghar has 10 per cent, which is the maximum. Over the years, leakage is only growing. The newer dams were built with better technology. But they are no match to the Khadakswasla dam, which is more than 100 years old," said Vivek Velankar, president of Sajag Nagrik Manch.

The more the water in the dam, the more the leakage. Hence, it is more prominently seen during the rainy season. The irrigation department also states that the leakage is more than acceptable levels. "Last year, the rate of leakage was 410 litres per second (lps). The leakage depends on the water level. The maximum leakage was in 2011, with 602 lps. However, subsequently, we had done some repairs on 260 sq metres of the dam, which had the maximum leakage. We need a permanent solution, which is why the committee has been formed," said A P Kulkarni, assistant engineer of the Temghar Project Sub Division.

However, the irrigation department insists that despite the leakage, there is no wastage of water. "The dam is upstream of Khadakwasla. Therefore, whatever water leaks out goes in the water system to go to Khadakwasla. We ensure that water from Temghar is released first every year," said S S Atre, sectional engineer in charge of Temghar dam.

Temghar trickles away
The Temghar dam has 10 per cent leakage while Khadakwasla dam, more than a 100 years old, has no cracks to show. PIC: MANOJ BIDKAR



Construction work for the dam began in 1997. Till 2001, it was in full swing. However, later when some forest land was in the danger of being submerged by the project, work stopped. It again began in 2009 and the dam was finally completed in 2010. By 2006 itself, leaks had surfaced, but the full extent of the problem was realised only in 2010, when the dam filled up with water. Owing to this leakage, the irrigation department is yet to give a completion certificate to the contractor. While the irrigation department waited for the contractor to repair the leaks, nothing has been done.

"Even though the work will be taken up by us, it will be done at the contractor's cost. There is a problem on the upstream face of the dam," said Ishwar Choudhari, sectional engineer at the Pune Irrigation Project Circle and a member of the committee formed for Temghar dam's repair.

Comment by Starr DiGiacomo on July 12, 2015 at 12:51am

http://www.aptoday.com/india/heavy-rains-lash-uttarakhand-haridwar-...

Heavy Rains lash Uttarakhand - Haridwar Water Dam Collapses

 

https://www.youtube.com/watch?v=_5N_kVUFt4Q

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