Oil has been found in the waste water treatment system in Yankton, and that has city officials concerned.
Dave Mingo, Community Development Director, says the oil was detected earlier this week……
Mingo says dumping oil in the sanitary sewer is illegal, and causes a number of issues…..
Mingo says it appears to be a substantial amount…..
He says they oil can slow down the digestion process in the wastewater system.
Mingo says there was a similar situation about a year ago.
