SALT LAKE CITY– A battle over where wastewater goes is pitting the needs of cities against the shrinking Great Salt Lake.

Currently, cities in the Great Salt Lake basin use water treatment facilities to scrub wastewater of algae and pollutants before sending it down toward the lake. But 45 cities and public utility companies have applied to recycle that wastewater to irrigate fields and even flow from the tap, according to the Salt Lake Tribune.

They’re not alone: cities across the American West from California to Colorado have turned to wastewater recycling as a viable hydration option in the face of worsening drought.

How could this affect the Great Salt Lake?

State Rep. Casey Snider told KSL NewsRadio he’s “disappointed” over these applications.

“The evidence that I have seen,” said Snider, “is that if we took all of the water that is going into the lake through wastewater discharge and eliminated it or reapplied it to other uses, the lake would drop by an additional 10 -12 feet.”

That’s significant for a lake with a maximum depth of 35 feet.

The new wastewater law

To get ahead of this, Snider pushed a bill through the Legislature earlier this year that would put firmer requirements on the reuse of wastewater.

“For every drop I’ve decided, as a city, that it’s financially viable for me to reuse,” said Snider, “I have to make sure an equal drop is flowing down the same canal, or the same river, that I have taken this water from to reuse it.”

The 45 applicant cities are hoping to get more wastewater than allowed under the law. From their perspective, explosive development is sucking aquifers dry and pushing them to look elsewhere for their growing needs, according to the Salt Lake Tribune. Drought conditions are also lowering the amount of water cities have to play with.

Snider adds that the municipalities trying to get around this rule are not doing it for “nefarious” reasons, but because it costs a lot to clean wastewater and not put it toward residents.

For now, these applications await a decision from the state engineer at the Utah Division of Water Rights.

KSL NewsRadio Reporter

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