Glasgow Daily Times, Glasgow, KY

Local News

October 24, 2012

Waste water limits adjusted

GLASGOW — A re-evaluation of Glasgow’s waste water and waste water treatment facility has led to reduced local limits that might affect some local industries.

Molybdenum, a metal found in minerals, has been removed from Glasgow Water Company’s list of effluent limitations in local waste water.

Effluent discharge encompasses things such as arsenic, lead, mercury, oil and grease that are strictly limited in the amount that can be found in waste water. While homeowners don’t have to worry about monitoring effluent discharges down their shower drains, local industries have to monitor and treat their waste water in order to reduce effluent discharge before turning the water over to Glasgow Water Company, according to GWC Manager Scott Young.

“The local limits are established to protect the environment,” Young said.

Until a recent evaluation, molybdenum was limited to 0.173 milligrams per liter, so local industries under certain permits had to monitor their waste for molybdenum.

All water treatment companies are required by the Kentucky Division of Water to re-evaluate local effluent limits every five years, Young said. GWC was evaluated in November 2008, but in December 2011 GWC completed more than $1.1 million in capital improvements to its waste water treatment plant on Glen Garry Road. The company requested that the Division of Water re-evaluate local limits, hoping the improvements would help reduce some local limits.

When GWC completed its renovations, which was Phase I of some long-term improvement goals, Young said the company changed the way it handles sludge. Sludge is the waste debris strained from the water at the waste water treatment plant. Previously, the sludge was treated to a certain point of environmental safety and then it was used as fertilizer on some hay fields. When GWC renovated its facility, it installed a sludge press that is able to press the water out of the sludge and bring it to a state that is useable as cover for the city landfill. The processed sludge is a spongy, loose material that looks like dirt.

For the full story, see the print or e-edition of the Glasgow Daily Times.

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