CHADRON, Neb. (AP) — A man accused of flooding a western Nebraska jail and causing more than $10,000 in water damage to county offices has pleaded guilty to a felony criminal mischief charge.

Local media reports that Dale Yellow Horse of Pine Ridge, S.D., will be sentenced later this month in Dawes County District Court.

Authorities say the 25-year-old plugged toilets, sinks and a shower while incarcerated on check-forging charges in October. Water overflowed into county offices below the jail.

Authorities say Yellow Horse was upset because he was placed in a different cell while officers handled a fight involving two other inmates. He allegedly accused jailers of violating his rights, and plugged the drains because he felt they weren’t responding to his complaints quickly enough.