A Pennsylvania woman who didn’t pay her water bill has been charged with felonies including the use of weapons of mass destruction after she burned three municipal workers with acidic drain cleaner as they tried to restore her service, authorities said.

Deborah Samulski, 61, is also charged in Westmoreland County with risking a catastrophe and criminal mischief, and with misdemeanor counts of reckless endangerment. A preliminary hearing is set for this month, the Tribune-Review reported Tuesday.

Court documents don’t list an attorney representing Samulski, and a working phone number for her couldn’t be found Wednesday.

Read more: AP