On Tuesday morning, Cleveland Water lifted the boil advisory that was issued for customers in parts of Strongsville and Middleburg Heights after water quality test samples showed the water is clean and safe for customers to drink and use as normal.
In accordance with Ohio EPA rules, when pressure in a portion of a public water system drops below 20 pounds per square inch (psi), we are required to issue a boil advisory for affected customers.
A depressurization event happened Monday morning after a large transmission main that sends water from our Engle Road Pump Station uphill to the Strongsville Water tower, broke. When water is running through a main at a pressure below 20 psi, there is a possibility that pathogens can enter the water through backflow or groundwater leaching.
Water samples were tested to ensure the water was free from pathogens. Samples were taken from 14 strategic locations that were carefully selected by Cleveland Water hydraulics engineers to be representative of all of the water flowing to customers in the affected area. All 14 samples came back negative for total coliform bacteria, which means there were not any disease-causing pathogens in the water.
With the boil advisory lifted, repair to the transmission main on Engle Road continues. Crews exposed the broken area of the main, revealing a 14-inch hole. Our engineers performed forensics on the break area to try and determine the exact cause of failure.
To repair the main, crews will remove the broken main section and replace it. Repairs will begin tomorrow following completion of some preparatory work.
One southbound lane of Engle Road is currently open to traffic. Drivers should proceed with caution as this remains an active worksite.