https://www.post-gazette.com/local/city/2017/02/16/Before-boil-orders-DEP-finds-PWSA-unauthorized-water-treatment-chemicals-use-and-audit-release/stories/201702160116
Before boil orders, PWSA made unauthorized changes in water-treatment chemicals | Pittsburgh...
The state DEP is looking into whether water quality was put at risk due to the chemical changes.
water treatment chemicalsboil orders