County progressing with desalinization

By Jimmy Currier
Observer staff writer
Published on Saturday, November 7, 2009 8:49 PM MST

Sandoval County is making progress with plans to convert brackish water from the Rio Puerco basin to potable water.

The county’s development director, Michael Springfield, is excited about the project that could possibly provide water service to new industries in the western part of the county.

“The goal is to create 30,000 industrial jobs,” he said. “We’ll have jobs and industry on the West Side for West Side people so they don’t have to cross the river. Jobs, jobs, jobs.”

(Use arrows above to view more photos)

The desalinization plant, 12 miles west of Rio Rancho, is an integral part of the county’s master plan for Rio Rancho Estates. Other planned components include the Northwest Loop, which will connect US 550 with I-40, residential development, a golf course, hotel, airport and commercial businesses.

Last Thursday, county officials and engineers gave a tour of the desalinization plant.

Universal Asset Manage-ment, who was awarded a $600,000 contract by the county in April, is conducting a pilot test to determine the feasibility of turning the raw water into drinkable water. The firm will have a report to the county commissioners next month.

In October of 2008, county officials claimed initial test results of a deepwater aquifer in the Rio Puerco basin showed enough brackish water to meet the region’s water needs for at least 100 years.

The results showed that, when purified at a desalination plant, the aquifer could produce 43,200 acre feet of potable water a year, for the next century.

Gary Lee, president of Universal Asset Management, said the goal is to convert every 5.3 to 5.6 million gallons of raw water into 5 million gallons of potable water.

He explained that 5 million gallons a day is the sweet spot to start and it could potentially expand to 30 million gallons a day.

The desalinization process takes out the chemicals and minerals from the water. Some of the byproducts that could be marketed, Lee explained, include table salt and agricultural lime. He estimated that 40 to 100 tons of salt and 30 tons of lime could be produced in a day.

But, don’t think the county will get rich off that perceived large amount. Lee said in the salt and lime industry, that’s a relatively small amount.

Paul Gorder, senior vice president of engineering firm Camp Dresser & McKee Inc., said the overall project will cost $47 million and Springfield said it would take at least three years to be completed.

He said the county is pursuing federal and state funds, as well as revenue bonds and charging user fees.

Springfield said the cost of that water would be $6 per 1,000 gallons at the rate of five million gallons a day. Springfield explained that as the plant increases its production to 25 million gallons a day, the cost of the water will decrease. He said the goal is to reduce it to $3 per 1,000 gallons.

Converting dirty water into potable water is a multi-step and complex process.

First, is the stripping process, where the iron, carbon dioxide and hydrogen sulfide must be stripped from the water. Next, is the clarification process, where the arsenic, silica and radionuclides are removed. Then, comes the softening process to remove calcium and magnesium. Fourth, is the media filtrate process, where the solid removals are suspended. Then, the ion exchange process removes more calcium and magnesium. Next, comes the reverse osmosis filtration where salts are removed and finally, the water is disinfected.

Water from the aquifer will be produced from three joint water claims that Sandoval County has on land in the Rio Puerco Valley that is owned by the King Ranch, the state Land Office and Aperion, a Scottsdale, Ariz.-based developer.

Those claims are for 80,000 acre feet a year in an area extending northward for about 15 miles from Sandoval County’s southern boundary with Bernalillo County.

Comments

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Reader Comments

The following are comments from the readers. In no way do they represent the view of the Rio Rancho Observer.

Chuck Wilkins wrote on Nov 8, 2009 6:07 PM:

" Does the $6@1000 gallons include all cost- getting rid of the waste, energy, piping to users, and everything?

Then we forget the most important point, it isn"t a renewable source. What happens to the businesses and homes that are built using this water source as a basis after it is gone?

It was said that the aquaifer would cover a 100yrs of development and in 20 years it is being pumped at a deficit.

When Rio Rancho is developed to the current city limits, it alone would require more than 43,200 ac/ft, so how would this meet the regions needs for a 100 yrs?

Lets give all the facts not just the positive ones. "

Paul wrote on Nov 11, 2009 9:47 AM:

" As an owner of several acres in Rio Rancho Estates, I am vehemently opposed to any further development west of the current Rio Rancho city limits. Why do so many public officials, city and county, want to "develop" all the beautiful open land west of the the city? And the Rio Puerco valley is so beautiful as well. Officials in Sandoval County and Rio Rancho need to focus on the poorly planned city with overly inflated future growth population figures - not plan for future sprawl on beautiful land that destructive and permanent. No one is going to "master plan" anything on my acreage except me. "

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