Tuesday, March 17, 2015

Trouble below

How the Twin Cities are battling an old sewer villain

Next City

Next City

In the Twin Cities the local wastewater utility is spending $100 million a year — and plans to do so for at least a decade — to replace aging sewer pipes. The cause? In part, water conservation. Sewage feeds bacteria which leads to the production of corrosive acids. When communities conserve water it changes the ratio of sewage to water with unexpected consequences on infrastructure.

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Minnesota farm groups rebuff buffer proposal

Pioneer Press

Minnesota Gov. Mark Dayton's big buffer plan was buffeted by opposition from two major farm groups last week at a hearing at the state Capitol. Dayton's ambitious proposal would require 50-foot buffer zones along every river, stream and ditch in Minnesota to protect against farm runoff, pollution and erosion.

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Polluted Great Lakes sites decades from recovery

Toledo Blade

Despite huge progress made in reducing chemical discharges since the 1960s, many birds nesting across the Great Lakes region still struggle to reproduce or they give birth to chicks with twisted beaks or other deformities — signs that a full recovery is still likely decades away for some of the region’s most historically polluted areas.

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  • Field Notes