A Baltimore County paramedic pleaded guilty Friday to three charges related to masturbating and urinating on food and personal items at county fire stations and causing his colleagues to ingest his bodily fluids.

Christopher M. Carroll, 36, agreed to a plea deal with prosecutors that could result in a maximum sentence of 10 years in prison, followed by five years’ probation.

Baltimore County Circuit Judge Dennis M. Robinson Jr. is scheduled to hear victim impact statements and decide Carroll’s sentence on Oct. 13.

Carroll, who previously lived in Harford County and most recently had an address in Pennsylvania, was arrested in February and charged with 20 bodily-fluid counts and three counts of property destruction stemming from alleged lewd acts at public safety headquarters in Towson and a fire station in Pikesville.

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Police alleged in charging documents that Carroll contaminated communal coffee creamer, a colleague’s keyboard and an ice machine that at least 16 employees said they used.

Carroll filmed himself performing the explicit acts and posted videos to subscribers-only pornography websites and his social media pages, according to court documents. Investigators tested items seen in the videos and found they contained Carroll’s bodily fluids and DNA, authorities said.

Carroll previously acknowledged that he made and posted sexually explicit videos but claimed he was being artistic and engaging in “role play.” He denied the items in the videos belonged to his colleagues, even though the captions suggested otherwise.

In court proceedings, prosecutors have described other videos allegedly showing Carroll ejaculating or urinating into soap dispensers, water fountains, an orange juice bottle and colleagues’ lip balm, among other items.

His estranged wife, who has filed for divorce, was awarded a protective order in December after alleging Carroll contaminated a toothbrush, a mouthwash bottle and a marinade at their Harford County home. Carroll claimed the marinade was never served to his family.

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Amid an investigation into Carroll, the fire department initiated a “hazmat cleaning” of all stations and offices; replaced ice machines; and offered counseling, crisis resources and health testing to employees. Some vehicles were also sanitized.

Carroll has been held without bond at the Baltimore County Detention Center since February.

Had the case gone to trial, he faced up to 10 years in prison and a fine of up to $2,500 for each bodily-fluid count. Penalties were less severe for the property-destruction charges.

Carroll worked on the fire department’s quick response team, assisting people in mental health crises and suffering from addiction. Spokesperson Travis Francis said in an email Thursday that Carroll remains employed by the department.

This article will be updated.