A Lawrence man has pleaded guilty to violating the Clean Water Act.
57-year-old Raymond Sawyer and his company, Mangna-Gro International, which formulates chemical fertilizers, pleaded guilty to unlawfully discharging waste from its fertilizer manufacturing operation into the City of Lawrence's sewer system.
Investigators determined that, over a 10 year period, they were discharging the waste into the sewer system via a hose inserted into a toilet stool.
Sawyer and his company are charged with criminal violations of the Clean Water Act.
Sentencing is set for June 1st.