Federal water managers have more room to breathe this spring as two Southwestern rivers that provide New Mexico and Texas with drinking water and irrigation supplies are seeing the benefits of record snowpack and spring runoff.
Forecasters with the National Weather Service delivered the good news Tuesday for water managers, cities and farmers as federal officials rolled out operating plans for the Rio Grande and the Pecos River.
The mountain ranges in southern Colorado and northern New Mexico that serve as headwaters for the two rivers last winter saw nearly double the snowpack of historic averages, resulting in runoff that will provide a major boost to reservoirs.
And even more of that snowmelt will reach streams and rivers since soil moisture levels were able to recover last summer during what was one of the strongest monsoons the region had seen in 130 years.
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“This is really good news for us because one of the big things that’s been killing water supply for the last 10, 15 years is really dry soils soaking up a lot of that runoff before we could ever get any of it. That is not going to be the case nearly as much this year,” said Andrew Mangham, a senior hydrologist with the National Weather Service. “We’re going to have a much more efficient runoff coming out of this.”
The same story is playing out around the West. In California, most of that state’s major reservoirs were filled above their historical averages at the start of spring thanks to one of the massive snowpack in the Sierra Nevada. In neighboring Nevada, the snowfall was so overwhelming that the final day of the high school ski championships had to be cancelled.
Many of the officials gathered for Tuesday’s river briefing were combing their collective memories, trying to recall when they last saw hydrology graphs this favorable.
“We’re in better shape than we’ve been for a real long time,” Mangham said.
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