Anne Gray. Photo released January 21 2025. A woman was stunned when her tap water flowed bright blue after a five-day citywide outage for planned maintenance.Anne Gray, 44, discovered the bizarre phenomenon on December 17, 2024, when water was restored to her home after the planned citywide disruption.The outage, which began on December 13, was announced in advance as part of a major maintenance project to improve water capacity in the city. Since Anne’s reservoir is one of the last in the system, she was regularly checking her taps to see when it would return…