
Below 15, the level that requires action
2 public water companies list Flintstone as a place they supply. The biggest is the Walker County Water Authority, with about 36,000 people. The highest latest result among Flintstone's water companies is 3.2 parts per billion, at the Walker County Water Authority. None of the 2 with results was above 15 at its latest test. 1 found too little lead to measure.