For the greater part of the last week, Bluestem Prairie has been trying to track down information about an incident involving the sewage treatment ponds for the City of Vernon Center.
It's a small town of 332 people in Blue Earth County, more or less south of Mankato, on the banks of the Blue Earth River.
Several local sources tell Bluestem that the vehicles were fertilizer trucks from the Crystal Valley Coop and the substance that killed the "bugs" in the treatment plant that cause sewage to breakdown is a nitrogen extender or additive that killed microbes in the ponds. With that, the Vernon Center ponds "died" and thus the city is spreading wastewater on area fields until the ponds can regrow waste-munching microbes.
We'll have more on this as soon as the MPCA gets back to us.
Photos: A drone's view of wastewater spread in a field near the Blue Earth River (top); the public notice (middle); a truck spraying wastewater in a field (bottom).
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