Thousands of people in Groveland, Florida, had to change how they used water this week after lightning damaged part of the city's treatment system. Residents were left looking for safe water to drink just as another increase in local water bills approaches. What happened? About 3,500 homes were placed under a boil water notice after one of Groveland's water treatment plants lost power in a lightning strike and related surge, WKMG ClickOrlando re…