Monocacy National Battlefield has law enforcement personnel on patrol to protect you while you are in the park. These park rangers have full police authority and may issue citations and arrest violators.

Should you need law enforcement assistance while you are at Monocacy National Battlefield, you may contact them using these numbers:

In an emergency dial 9-1-1

For non-emergency situations, dial 301-662-3515 or contact NPS dispatch at 1-866-677-6677.