A CCTV inspection confirmed what officials in Arizona had suspected — bundles of marijuana, being smuggled from Mexico, blocked a sewer line and caused a major backup.Nearly all of the wastewater from the City of Nogales, Mexico, flows through the International Outflow Interceptor (IOI), a 24-inch cement sewer line, across the border and on to a treatment plant in Rio Rico, Arizona.That flow (up to 10 mgd) was disrupted on July 5, which was when emergency crews from Nogales, Arizona, were called to a house that became flooded from the backup as wastewater spilled into the surrounding neighborhood.According to reports, smugglers
