For the first time in four years, the lead levels in Pittsburgh’s drinking water are compliant with federal standards. The most recent lead test results that cover January through June 2020 came out to 5.1 parts per billion [ppb], Pittsburgh Water and Sewer Authority [PWSA] Executive Director Will Pickering said at a press conference on Wednesday. According to a press release, it is PWSA’s lowest lead test result in over 20 years.