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We knew we’d buy our home on the Le Sueur River near Mankato the first time we saw it. The area was so natural and peaceful. There was lots of wildlife and birds, which we love.
Twenty years later, we still love it, but our property has also become an incessant source of stress and worry.
That’s because erosion is pushing the riverbank closer and closer to our back door. We live in fear it will claim our house. When we read the recent Star Tribune article about the unintended impacts of agricultural drainage, we saw the story of our own property reflected in it (”Minnesota’s fertile farm fields have a cost, as this summer’s floods showed,” Nov. 23).
When our house was built in 1974, it sat 100 feet from the river, which was the setback requirement at the time. Today it’s just 24 feet from the banks. We’ve lost nearly 50 feet since we moved here twenty years ago, in 2004. There have been four major floods since then. We’ll never forget the one in 2010. We took shifts trying to sleep in the living room as we listened to the river roaring. We could hear the dirt falling into the river in clumps: kerploosh after kerploosh. It was terrifying.
But it’s not just floods that have transformed our property — the river has changed. Over the past 60 years, its volume has more than doubled. Increased precipitation has played a part, but we’ve come to learn that another significant driver is the widespread changes in agriculture.
Small grain farming has shifted to row crops while more and more farmers began installing drainage systems to protect their crops from flooding. The practice is now the norm. Today we’re told there are hundreds of miles of underground drain tiles and ditches crisscrossing our watershed.