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‘Thousands of ditches nothing less than beloved’

Dave Marston

Annette Choszczyk lives in rural western Colorado these days, but when she was a kid, the Highline Canal in Denver was her summer paradise.

“To us, it was river and a playground, complete with rope swings, swimming holes, crawdads and a trail alongside it that adults and kids could walk on to the foothills or far out into the prairie,” says Choszczyk. They called it a ditch, this 71-mile-long canal that carried water all over Denver.

Throughout the West, thousands of ditches that snake for miles through semi-arid country are nothing less than beloved. They add living green corridors to walk or bike along, impromptu wetlands frequented by birds, and always, a respite from summer heat.

But a warming climate delivers less melted snow to rivers that supply these diversion ditches with water. Federal legislation also mandates piping many earthen ditches to cut salinity in the Colorado River water that’s sent to Mexico.

The result: Dry trails, disappearing wetlands, and the end of a rural and urban amenity.

Many people mourn the loss. “With less water, we have to figure out how to try to retain the best of what we value the most,” says John Fleck, a water researcher at the University of New Mexico’s Utton Center. He says the Griego Lateral in Albuquerque that he regularly bikes along was built in 1708. During the COVID-19 lockdown, the ditch bank was mobbed with bikers and walkers. “There is incredible value in these ditches.”

But Fleck points out that we’re confronted by difficult choices: “How much water do we keep in rivers and which ditches do we save?” Fleck says. “I love living near a ditch.”

You could say Cary Denison, former project coordinator for Trout Unlimited and an irrigator, was born in irrigation boots. “In western Colorado, my dad was the superintendent of the Fire Mountain Canal,” he says, “and my first job was irrigating.” These days, though, Denison thinks rivers get shortchanged because too much water gets diverted into ditches.

“Then a river suffers,” he says. “We need to maintain enough water in the river for fish and plant life.”

Dennison recalls a startling moment as he irrigated family property outside of Hotchkiss. The gated 12-inch pipe was clogged, so he and his brother began cleaning it out, expecting a mass of leaves and twigs. But the clog turned out to be the biggest brown trout – “and I fished almost daily,” he says – that he’d ever seen. That fish had come a long way. Their property was nine miles from where the river was sweeping almost entirely into the ditch.

These days Dennison is an irrigator himself and lives in Ridgway. But he recalls that giant brown trout as “a day where irrigators should have taken less.”

Fleck and other students of the Colorado River see a time coming soon when many water diversions will cease because of their lower priority dates.

Over centuries, says Fleck, “one of the things that we’ve done in all these Western landscapes is to narrow the river itself with levees and dams and control it in a narrow channel. And we’ve distributed water across the floodplain through ditches. It’s this huge rich, complex social and cultural ecosystem that we’ve all lived in for hundreds of years.”

But increasing aridity is already changing that pattern.

“Generations of children will have poorer childhoods because they will never have a ‘wild’ place along a ditch to explore,” Choszczyk says.

Dave Marston is publisher of Writers on the Range, writersontherange.org, an independent nonprofit dedicated to lively discussion about the West.