Councilmember Chris Walsh said the ordinance would help reverse the attitude that underage drinking is a "rite of passage" in the community and not a health and crime issue.
The Supreme Court said a municipal court cannot place a defendant only on probation for an offense that has not been made punishable by a jail or prison sentence.
During the 2016 St. Patrick's Day holiday, 60 vehicle fatalities were the results of drunk driving, according to the National Highway Traffic Safety Administration.
Grand Teton National Park rangers launched an air, water and ground search Saturday evening after a call came in about the man tumbling into Snake River.