Oliver Quayle, aged 17, of Victoria Road, Castletown, will face a trial in summary court on September 4.
He has previously pleaded not guilty to driving under the influence of cannabis.
He also denies possessing 2.2 grams of the class B drug, valued by police at £44.
The offences are alleged to have been committed on November 26 at Clypse Reservoir.
.jpeg?width=209&height=140&crop=209:145,smart&quality=75)
He was represented in court by advocate Jim Travers.
Bail continues in the sum of £500.