Want to crack open a cold one at an NYC park or beach? Be ready to pay a $25 ticket.

But Jill Snider, a former NYPD officer and current adjunct lecturer at John Jay College of Criminal Justice, said public drinking can lead to more serious crimes.

“If you let people drink in the streets all day, you’re coming back later at night to fights and gunfire,” Snider said.

“When people get drunk and agitated and it’s summertime, most often it doesn’t end well,” she said. And she added that enforcing public drinking laws helps keep swimmers safe from drowning.