Boil water advisory lifted for residents in Chester, Lancaster counties

Officials say the Rock Run Water Treatment Plant experienced an issue, which resulted in lower-than-normal chlorine levels.
COATESVILLE, Pennsylvania (WPVI) -- A boil water advisory has been lifted for some residents in Chester and Lancaster counties.

"Pennsylvania American Water announced that at 8:30 this morning (Monday) the mandatory boil water advisory for customers in its Coatesville water system has been lifted," the water company said.


Approximately 14,500 customers were notified on March 12 that the Rock Run Water Treatment Plant experienced lower-than-normal chlorine residuals in the plant.

As a result, a boil water advisory was issued for customers in the affected area.

"We are pleased to report that the issue has been resolved," the company said.

This notice applies to customers in Pennsylvania American Water's Coatesville system, including:


  • Chester County: City of Coatesville, Parkesburg and South Coatesville and portions of the Townships of Atglen, Caln, East Fallowfield, Highland, Sadsbury, Valley, West Caln and West Sadsbury.
  • Lancaster County: The Borough of Quarryville and the Townships of Bart, Colerain, Eden and Sadsbury.


"Pennsylvania American Water thanks its customers for their patience and cooperation during this event," the company said.

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