Water main break, per WSAZ.
States, West Virginia
The entire water district is under a boil water alert after a break in a 16-inch pipe per WKYT.
Kentucky, States
A malfunction at the water treatment plant, per WKTV news.
New York, States
Construction crews hit a water main; pressure drops. Boil. (Per the Daily Telegram)
Michigan, States
Parts of the county are on boil-water alert after a construction worker bored through a forty-eight-inch water line, per KHOU.com.
States, Texas
Drop in water pressure caused by utility workers “doing maintenance in the area,” says the Courier Journal.
Kentucky, States
Leaky valve; boil, per the Times Republican.
Iowa
Broken water main affects 350 customers, per the Daily News Online.
States, Washington
This Q & A in the Hartford Courant has more on those pesky (but not harmful to human health) microscopic organisms.
Connecticut, States
Unexplained boil water alert for all Orangefield Water Supply customers, per KBMT.com.
States, Texas