Delaware County wastewater samples test positive for measles. So far, no person has a confirmed diagnosis of the disease

Two wastewater samples from Delaware County's DELCORA Western Regional Treatment Plant tested positive for measles, but no confirmed cases have been identified. The plant serves about 500,000 people and participates in Stanford University's WasterwaterSCAN project. The first detection was on June 9, with a second on June 11, and health departments are monitoring the situation.