Residents of the Village of Deerfield can go back to drinking from the tap after a boil water order was lifted on Wednesday.
Residents were ordered Monday to boil their tap water after it was found to be contaminated with fecal coliform.
Village officials say the latest round of tests came back clear of the bacteria and residents and business were advised that water can be used in a regular manner.
But before using the water again, the Lake County Health Department urges residents to take the following steps:
Anyone with questions is urged to contact the Lake County Health Department at (847)377-8020
Officials with the village's water department said 10 tests would be done throughout the system in the next 24 hours and that a full resolution was expected by Wednesday afternoon.
Officials did not theorize in their release how the water became contaminated in the first place.