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.




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.




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.





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."



"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 Starr DiGiacomo on February 14, 2019 at 5:57am


Fears for up to 38 miners trapped in flooded Kadoma mine after dam bursts

22:47, 13 Feb 2019

An emergency was declared at 11PM on Tuesday when a dam burst, and water blanketed the area

KADOMA – Up to 38 artisanal miners are feared dead after water from a collapsed dam flooded their positions at two underground mines in Battlefields between Kadoma and Kwekwe.

Emergency services were activated on Wednesday to look for survivors and retrieve bodies after rains overnight Tuesday pounded the area leading to the collapse of a dam wall.

The water swamped the area, creating sinkholes and flooding the mine shafts used by the illegal miners.

Police said between 23 and 38 miners are believed to have gone underground at Silver Moon Mine and at Cricket Mine on Tuesday evening. Cricket Mine is owned by RioZim, while Silver Moon is owned by a Baxter.

An emergency was declared at 11PM when the dam burst, and water blanketed the area.

Mashonaland West police said water levels at the two underground mines were still rising, raising fears that the rescue mission has now turned into a recovery mission.

“We have the Civil Protection Unit on the ground leading the rescue and recovery effort, but before that can begin the water must be drained out first. This requires heavy duty pumps because we are still seeing the water levels rising,” said Inspector Clemence Mabweazara, the provincial police spokesman.

Cecilia Chitiyo, the Mashonaland West provincial administrator, said they had sent an SOS to nearby mines as well as major miners like Zimplats to send in their rescue teams.

By Wednesday evening, she said they had deployed a pump from RioZim but more were needed.

Wilson Gwatiringa, the RioZim spokesman, said the company would be issuing a statement on Thursday after assessing the situation.

Mine deaths involving illegal miners are commonplace in Zimbabwe, and many go unreported

Comment by Starr DiGiacomo on February 12, 2019 at 7:27am


Burst dam in Bandung kills three

Bandung   /   Sun, February 10, 2019   /   12:14 pm

Heavy rains in Bandung, West Java and its surrounding areas on Saturday night caused the dam holding the Cinambo River in Pasar Jati, Bandung regency to burst, resulting in flooding that claimed three lives.

The flooding hit residential areas in Cigending subdistrict, Ujungberung district and several houses in the Endah regency complex, where eight people were dragged away by the strong currents.

The Bandung search and rescue (SAR) office said three people, including a baby, had been declared dead, while five people had been rescued.

The victims were identified as Phida, 40, Hani, 25 and Raifan, 1.

“The joint SAR team has moved all residents affected by the flooding to a safer location,” Bandung SAR spokesperson Joshua Banjarnahor said on Sunday.

He added that the flooding had receded and that evacuations had been completed.

“Therefore we suggest that the SAR operations be closed,” he said.

Meanwhile in Bandung municipality, a flood carried away a resident and killed the man.

Joshua said the body was found in drainage about 3 kilometers from where he was carried away. The body has yet to be identified. (kmt)

Comment by Starr DiGiacomo on February 9, 2019 at 7:22pm


New Evacuations Ordered by Mining Companies Over Fears of More Dam Collapses In Brazil

Comment by Recall 15 on January 25, 2019 at 11:03pm

January 25, 2019 Brazil 17h10

Firefighters: Brumadinho dam breach leaves 200 missing
There is still no confirmation on the death toll
The Minas Gerais Fire Department said about 200 people were missing after the dam broke at Vale Mine's Beja Mine in Brumadinho early on Friday afternoon (25).

From Link:


Comment by Starr DiGiacomo on December 30, 2018 at 8:41pm


Roads closed due to partial collapse of dam wall at Benoni Lake

27 December 2018 - 12:54

The Ekurhuleni Metropolitan Police Department has closed Bunyan and Tom Jones roads in Benoni, as well as the nearby N12 on- and off-ramps, following the appearance of cracks in a dam wall.

Ekurhuleni Executive mayor Mzwandile Masina visited Lakeside on Thursday to inspect the work under way to repair the damage.

Water is currently being pumped from the Middle Lake, "to reduce the water levels to a satisfactory level where engineers can start assessing the severity of the damaged walls and the structural integrity of the entire wall," the city said in a statement on Thursday.

In an earlier statement on Wednesday, the city said that the roads were closed to allow for the pumping, so that personnel on site could "commence with the rehabilitation of the damaged concrete slabs, once the water level is reduced."

"This is to prevent the dam spillway from collapsing." 

The road closure follows an alert from residents on social media during Christmas.


Comment by Starr DiGiacomo on December 11, 2018 at 4:48am


3 Duhok dams ‘near collapse’ after heavy rainfall: officials

Aerial view of recent flooding in the Zarbatia district of Wasit governorate, Iraq, November 20, 2018. Photo: Iraqi Red Crescent Society
Aerial view of recent flooding in the Zarbatia district of Wasit governorate, Iraq, November 20, 2018. Photo: Iraqi Red Crescent Society

ERBIL, Kurdistan Region – Heavy rainfall has left three dams in Duhok province on the brink of collapse, according to local officials, who say the government is ignoring their pleas for help. Meanwhile, Darbandikhan’s hydroelectric dam near Halabja has vastly increased its power generating capacity.

Since last week, the Kurdistan Region has seen extremely heavy rain leading to flash flooding, particularly in the provinces of Duhok and Sulaimani. Roads and bridges crumbled as soil was rapidly eroded from under them.

“In all countries, there is a high committee for natural disasters, but there isn’t one in Kurdistan. We haven’t been able to sleep for four days due to being fearful of small dams collapsing,” Ziyad Abdullah, director of Duhok’s Department of Irrigation, told Rudaw.

Kurdistan Regional Government (KRG) officials have not answered their pleas for assistance, he said. 

Besides Duhok’s large dam, there are 55 smaller ones.

“We only needed 2 million IQD ($1,680) to mitigate the risks to these dams, but no one helped us,” added Abdullah.

Concerned by the rapid buildup of water, engineers were forced to partially open Shiekhan dam to release the pressure. 

Besides the Shiekhan dam, Mam Shivan and Gre Gawre dams also face danger. 

“If we don’t monitor them, they might crack,” said Abdullah.

It is not clear what damage would be caused to urban areas and farmland if any of these dams fail. 

International teams have been working to stabilize Mosul Dam, which remains in danger of collapse. If Mosul Dam fails, cites along the length of the Tigris to the Gulf could suffer inundation – including the capital Baghdad. 

Kurdistan’s Weather Forecast department has warned of further heavy rain from Wednesday.

According to a five year plan (2013-2018) drafted by the KRG, 500 reservoirs and dams were to be constructed in Duhok. The financial crisis, however, prevented that. Just 55 have been built to date.

Ramazan Hamzah, a geology expert from Duhok University, told Rudaw this year was very suitable for storing water – a resource desperately needed across central and southern Iraq.

“Unfortunately, no use was made of that large amount of rain in the past few days. Instead of storing water, now there is danger of floods,” added Hamzah.

The KRG has no strategy for underground and surface water, “at a time when big fights over water are underway,” he added. 

The Kurdistan Region does not suffer from serious water shortages. However, mismanagement and the lack of a culture of water conservation among the public leads to massive waste.

Iraq’s central and southern provinces have seen a dwindling supply of water caused by climate change, drought, and a number of dams built upstream by Turkey on the Tigris and Euphrates rivers. Baghdad has even banned the cultivation of water-intensive crops.

‘Most rain in 60 years’

One dam in Halabja province has actually benefitted from the deluge. The heavy rainfall has boosted power generating capacity at Darbandikhan hydroelectric plant, which has brought two more turbines online.

“Due to decreasing water levels, only one electricity turbine in the Darbandikhan dam was operational, but due to the increase in the dam’s water level, another turbine became operational, and on Monday, December 10, the third turbine will become operational,” Nasih Malla Hassan, mayor of Darbandikhan, told Rudaw.

A single turbine produces 83 megawatts of electricity. The output of three combined turbines is 249, according to the mayor. Produced electricity has increased from 83 megawatts to 249 megawatts.

In the past four days, there has been 180mm of rainfall in Dabandikhan, increasing the total this year to 390 mm. “Except for 2015, this is the highest amount of rain in the past 60 years in the district,” said Hassan.

However, the rain has also caused serious local flooding – destroying the Darbandikhan-Kalar road.

Darbandikhan’s dam is also not able to store the power created at this high capacity owing to earthquake damage.

The Kurdistan Region suffers from regular power outages. In both the cold season and hot season, demand exceeds supply, critically shortening the hours of electricity. 

Comment by Starr DiGiacomo on December 7, 2018 at 6:51am


Partial break drains Lakeview

  • Dec 4, 2018

The dam slowly eroded away Monday from a large influx of water over the weekend. Photo courtesy of Beyond Your Eyes Aerial Photography/Wendell Lee

Heavy rains that started over the weekend saturated the ground and contributed to a partial collapse of the dam on the southeastern end of the Lakeview Golf Club lake here. The problem reportedly began around mid-day Monday, according to nearby residents.

This was the second time the dam has collapsed at the local lake. The first occurred in 1979. There were no reports of injury or serious property damage at that time.

Comment by Starr DiGiacomo on October 23, 2018 at 6:41am


Flooding in Damascus as Dumayr Dam Collapses

Monday, 22 October, 2018 - 08:15

The Syrian capital’s Adra district was left devastated by flooding caused by the collapse of the al-Dumayr dam in the western Damascus countryside on Saturday.

An official told Asharq Al-Awsat: “A real catastrophe has taken place in the Adra suburb and in the industrial city.”

Adra is seen as a vital district in attempts to revitalize Syria’s economy that has been ravaged by years of war.

The official, who spoke on condition of anonymity, said that a technical malfunction caused the collapse.

The dam has a capacity of 2.150 million liters and lies some 14 kms away from the industrial city. Dam workers were swept away by the rushing waters and many remain missing.

The losses are estimated a millions of dollars, said the official.

Residents of the industrial city were left trapped by the floods for several hours before rescue teams could reach them.

The SANA state news agency reported that two children and a youth in the towns of Deir Muqrin and Kafir Zeit in Wadi Barada were killed. Dozens of houses were also damaged.

Damascus and its suburbs witnessed similar devastating floods last year.

This year’s flooding was compounded by the blockage of drainage pipes.

The Damascus chamber of industry blamed the flooding on poor planning in the city and the rescue teams’ lack of preparedness.

It demanded that authorities take the necessary measures to avert such disasters in the future and to compensate those affected by the flooding.

Comment by Starr DiGiacomo on September 22, 2018 at 5:43am


Duke Energy: Dam breached at North Carolina plant and coal ash may be flowing into Cape Fear River

Published Fri, Sep 21 2018 • 11:43 AM EDT
  • A Duke Energy dam containing a 1,100-acre reservoir in North Carolina is breached, and may be causing coal ash to flow into the nearby Cape Fear River.
  • Hurricane Florence brought rain measured in feet to North Carolina, followed by rising rivers and standing water in fields.
  • The president of Duke Energy’s North Carolina operations, David Fountain, told CNBC earlier this week that the impact from Hurricane Florence has been the most severe he’s ever experienced.

Floodwaters on Friday breached a dam that contains a man-made lake connected to a Duke Energy power plant in North Carolina, possibly causing coal ash to flow into the nearby Cape Fear River, the company said.

The floodwaters flowed from Cape Fear River into the northern side of Sutton Lake, an 1,100-acre reservoir built in 1972 to cool the L.V. Sutton Power Station. That water caused breaches in the dam on the south end of the lake, which was flowing back into the river, Duke Energy said in a press release.

The 200-mile Cape Fear River flows into the Atlantic at Wilmington, North Carolina.

The Sutton site in Wilmington was home to a coal-fired power plant until 2013, when Duke replaced it with a natural gas power station. Duke dismantled the coal-fired plant by 2017, but the grounds contained about 7 million tons of coal ash in waste pits at the time of its closure. There are still two coal ash basins on site.

The flooding forced Duke to shut down the 625-megawatt natural gas plant, and the company is monitoring the coal ash pits.

Coal ash is a byproduct produced primarily at coal-fired power plants. It contains contaminants harmful to human health including mercury, cadmium and arsenic.

Heavy rain from Florence caused one of the coal ash landfills to partially collapse, Duke reported on Saturday. The incident likely caused coal ash to run off into Sutton Lake, a Duke spokesperson told the AP.

On Friday, Duke said it believes coal ash contained in one of the basins remains in place behind a steel wall that separates Sutton Lake from a site where the waste is still being excavated. That steel wall was under water, the company said, but an earthen part of the dam setting off the basin remained 2 feet above the surface.

Another type of coal combustion byproduct, cenospheres composed mostly of alumni and silica, has flowed from that basin into Sutton Lake and Cape Fear River, Duke said.

The second basin, which contains most of the sites ash, is about 10 feet from the floodwater and has not been affected, Duke said.

Shares of Duke Energy, which were higher before the news hit, rolled over and were down less than 1 percent Friday afternoon.

Hurricane Florence packed high wind and rain measured in feet to the Carolinas, followed by rising rivers and standing water in fields.

Florence made landfall on Sept. 13 as a Category 1 hurricane in a resort town just east of Wilmington, North Carolina’s eighth-largest city. The city of more than 117,000 people has been cut off by floodwaters. At least 42 storm-related deaths have been reported in the region, according to AP.

David Fountain, president of Duke Energy’s North Carolina operations, told CNBC on Monday that the impact from Florence has been the most severe he’s ever experienced.

“I’ve lived in North Carolina my entire life, and I’ve seen a lot of bad storms, a lot of bad hurricanes. But this is absolutely the worst, ” Fountain said.

Property damage and disruption from Florence is expected to total at least $17 billion to $22 billion, but that estimate could end up being on the conservative end, according to Moody’s Analytics.

The company estimates 49,000 homes and businesses were still without power late this week.

Comment by Starr DiGiacomo on September 20, 2018 at 5:28am


Sanford Dam breaches in Boiling Spring Lakes, water draining at fast rate

Sunday, September 16, 2018 09:09AM
Water is draining at a fast rate after the Sanford dam breached around 7:10 p.m. Saturday due to rains from Florence.

The city, located in Brunswick County, took to Facebook and said the failure of the dam was due to the water volume over the last several days.
The Big Lake began draining at a fast rate along with Pine and North Lakes.
The Emergency Action plan was enacted and the city said no member of the public was at risk.
Several roads are closed for the immediate future, including Alton Lennon, E. Boiling Spring Road and Hwy 87
City of Boiling Spring Lakes, NC
on Saturday

At 7:10 pm this evening Sanford Dam failed due the water volume received over the last several days. The Big Lake will begin draining at a fast rate along with Pine and North Lakes. The City enacted it’s Emergency Action Plan and no member of the public was at risk. Alton Lennon, E. Boiling Spring Road and Hwy 87 are closed for the immediate future.

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