According to Sgt. Sean Thompson, public information officer with the Mountain View Police Department, at least 90 people were arrested at the festival. Other Bay Area news outlets have reported that more than 100 were arrested.
Thompson also said the MVPD received more than 100 noise complaints from residents saying the festival was too loud. In comments left on the Voice website, many readers reported that the noise from the concert continued late into the night and singled out the bass frequencies emanating from Shoreline Amphitheatre as being particularly bothersome.
Residents made 105 complaints about noise from the event on Saturday night even though the sound levels were below the 98 decibels specified in the city's contract with promoters, said J.P. De la Montaigne, community services director. The booming bass from the event "is not reflected so much in decibel levels," De la Montaigne said.
De la Montaigne blamed the noise levels on the way two of the event's stages were set up in a parking lot, facing Highway 101 instead of towards the Bay, like Shoreline Amphitheatre's main stage. After receiving the complaints on Saturday night, the city met with the promoter and reduced the sound levels. "From the emails I saw this morning it made a big difference," De la Montaigne said, adding that Sunday night drew only 20 or 30 complaints.
"We certainly apologize for the level of noise that impacted residents on Saturday night," De la Montaigne said.
Thompson said there were no serious injuries reported at the festival.
While noise complaints are not out of the ordinary for Shoreline Amphitheater, the 90 people arrested was an unusually high number for the concert venue, Thompson said.
Thompson attributed the volume of arrests to a no-tolerance policy by law enforcement for public drug use by concertgoers and because people frequently bring drugs, primarily marijuana, with them to rave festivals.
The local law agencies that assisted Mountain View police during the two-day affair included Los Altos and Palo Alto police, the Sunnyvale Department of Public Safety, the Santa Clara County Sheriff's Office and the county's Special Enforcement Team, Thompson said.
Police estimated that about 25,000 people attended the music events during each of the two days, Thompson said.
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