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Drainage Authority approves sediment-storage basin on County Ditch 56 to reduce sediment and peak flows
Summary
Blue Earth County Drainage Authority granted a petition to impound and reroute parts of County Ditch 56, authorizing a 5.5-acre basin to capture sediment, reduce peak flows and lower maintenance needs, with state grant funding covering most costs.
The Blue Earth County Drainage Authority on June 10 approved a petition to impound, reroute and divert portions of County Ditch 56, authorizing construction of a storage and wetland basin intended to capture sediment and reduce peak flow rates into Lake Crystal.
ISG engineer Chuck Bridal presented the engineering review and recommended approval after a landowner meeting and hydraulic modeling. "In conclusion, the project is feasible, and I feel it is a benefit to the system. It will reduce flooding, capture sediment," Bridal said…
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