MADAWASKA, Maine — Madawaska’s fire hydrant system will be offline after Friday, May 8, for three to six weeks as the town’s water district empties the tank on 7th Avenue for repairs, according to a public service announcement posted on the town’s social media page. The Madawaska Water District will still be able to maintain water service for its customers. However, in the event of a fire, there will not be enough water to use the hydrant system…