Some residents of Marana are installing water-treatment systems and buying bottled water as alternatives to drinking polluted tap water.
There were reports earlier this month that the town residents are taking action in response to a half-dozen polluted wells serving more than one-third of the town water utility's household.
Higher than recommended levels of chemical pollutants were found in the wells in late 2016.
Town officials say the Marana Water Department has not said exactly when the wells will be cleaned up.
The water utility says there is a detailed cleanup plan in place, but it requires federal direction as to how thoroughly the water needs to be cleaned.
The polluted wells provided water to nearly 2,800 customers.