For four days, hundreds or thousands of people in West Virginia haven't been able to use their tap water.
Not to brush their teeth, cook, bathe, or even wash a dish.
There's a sign of relief for some with a partial lift on the state's water ban for about 5,000 customers - many of them large commercial users.
But the company has been operating without government oversight for over 20 years.
CNN's Jean Casarez has the story.