What percentage of WSSC customers does the Potomac plant serve?
MONTGEOMERY COUNTY, Md. (7News) — A power outage at the Potomac Water Filtration Plant is prompting 1.9 million WSSC Water customers in Montgomery and Prince George’s counties to conserve water immediately.
The utility company issued the urgent request Tuesday morning. WSSC Water said drinking water remains safe, and there is no need to boil water before essential use at this time…