
California cities of 50,000 residents or more are seeing inbound contamination rates between 8% and 46%, with an average of 20%. | Oksana Shturo/Shutterstock
According to a study from The Recycling Partnership, large and mid-sized cities in California see an average contamination rate of around 20%, a finding that underscores the complications of aligning enthusiastic residents with local-program realities.