Post Date:August 17, 2026 8:58 a.m.The town’s water supply is safe for drinking.
The Town of Hillsborough’s boil water advisory has been lifted. Testing of water samples found no contaminant in the system.
The advisory was issued early Saturday morning after the water system’s central pressure zone experienced low pressure due to a major water main break.
Test Results
Contaminants were not found in water samples taken after the water main was repaired. Customers may resume normal water use and do not need to take actions such as running water, changing filters or dumping ice.
Notification
Register for OC Alerts to be informed quickly when there is a water or sewer emergency. Make sure addresses and contact methods are up to date. To receive water and sewer alerts from the Town of Hillsborough follow these steps:
Go to Subscriptions when registering or updating your OC Alerts account.
Go to Community Alerts.
Select “Hillsborough water and sewer.”
The town will issue updates through news releases and social media posts. Get town news by email and follow @HillsboroughGov social media.