Mexico, Texas evacuate homes as Rio Grande floods
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Last Updated: Thursday, July 08, 2010, 09:57
  
Nuevo Laredo: Reservoirs along the US-Mexico border rose to their highest levels in decades after days of drenching rain, forcing officials to close two border bridges on Wednesday, dump water into flooded rivers and evacuate tens of thousands from homes, with yet another storm on the way.

The dramatic rise of the Rio Grande caused by Hurricane Alex and continuing rains forced the closure of one major border crossing between downtown Laredo, Texas, and Nuevo Laredo, Mexico, and another crossing known as the Colombia Bridge, about 20 miles upriver.

Officials evacuated the flood-threatened Vega Verde subdivision in Del Rio, Texas, some 110 miles (180 kilometres) upstream from Laredo, while high waters in the northern Mexican state of Coahuila have already damaged some 10,000 homes — many swamped in waist-deep water.

"That means there are 40,000 people who don't have any place to sleep," Governor Humberto Moreira told the Televisa network on Wednesday.

To the southeast, Mexican officials evacuated nearly 18,000 people from houses in Ciudad Anahuac for fear that water would overflow the Venustiano Carranza dam and threaten lives. Mexico's National Water Commission said the dam currently had the largest emergency water release in the country.

Ciudad Anahuac Mayor Santos Garza Garcia said at least 1,500 homes had been flooded in the town of Rodriguez, across the Salado River from his city.

An airplane on an inspection tour of the flood zone crashed on Wednesday, killing the mayor of the border town of Piedras Negras, the state public works director, a municipal civil defence official, a government photographer and the pilot and co-pilot. The plane was flying over a rain-swollen reservoir about 25 miles (40 kilometres) east of Eagle Pass, Texas, when it went down, said Ricardo Castillo, a spokesman for the border state of Coahuila.

Hurricane Alex dumped heavy rains on the region last week, causing flooding that killed at least 12 people in the Mexican state of Nuevo Leon, where Ciudad Anahuac is located, and leaving some 130,000 without water service.

The US National Weather Service said a new storm was likely to make its way across the Gulf of Mexico and hit the region within a day or two.

Water behind the binational Amistad Dam on the Rio Grande already is at its highest level since 1974, according to the International Boundary and Water Commission, forcing officials to release water from it at the fastest rate in a quarter century.

The commission said the downstream Falcon dam would probably reach capacity within the next few days, suggesting future releases there will raise water levels along the river's lower reaches.

Much of that downstream area is protected against flooding by levees, but Mexico's National Water Commission said it was worried about low-lying settlements, most built by poor people without official permission.

"One of country's most serious problems are irregular settlements on federal land and in flood-prone areas," it said.

Authorities walked a painful, delicate line — forced to release reservoir waters they know will add to flooding in hopes of avoiding worse disasters.

It was an unusual state of affairs in a semiarid region where Mexican and US officials often squabble over rights to scarce water.

Garza Garcia, the Ciudad Anahuac mayor, said 20 floodgates had been opened by late Tuesday at the Venustiano Carranza Dam, which was releasing 600 cubic meters (21,190 cubic feet) per second into the Salado River, a tributary of the Rio Grande.

Bureau Report


First Published: Thursday, July 08, 2010, 09:57


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