Editor's note: This is an update to a story that was posted on the Lake Oswego Review website on Friday. The city of Lake Oswego lifted its boil water notice for the Cervantes and Erasmus area Saturday afternoon after water officials determined that the water was safe. Water samples that were collected on Friday were tested for contamination, each came back clean. People are no longer required to boil their water.

by: SUBMITTED PHOTO: CITY OF LAKE OSWEGO - Workers Friday morning repair an 8-inch water line that broke in the 200 block of Cervantes early Friday morning. While the break was fixed mid-day Friday, residents of Cervantes and Erasmus Street were advised to boil their water because of bacterial concerns.

A boil water notice went into effect Friday afternoon for homes on Cervantes and Erasmus Street in Lake Oswego.

The notice from the Lake Oswego Water Treatment Plant came about following an 8-inch water line break that occurred about 2 a.m. Friday in the 200 block of Cervantes. The break was repaired mid-day and originally it was hoped that residents could use the water after running it for a while. Later Friday it was determined that the water needed to be boiled because of bacteria being present.

Water outside this area is on other distribution lines, so it is not affected. Homes on Cervantes Circle and Nova Court are not affected.

People on Cervantes or Erasmus Street were being told Friday to not drink water without boiling it first. The LOWTP release advised, “Bring all water to a boil, let it boil for one full minute, and let it cool before using or use bottled water. Boiled or bottled water should be used for drinking, making ice, brushing teeth, washing dishes and food preparation until further notice. Boiling kills bacteria and other organisms in the water.”

According to plant officials, the boil water notice will remain in effect until tests show no bacteria are present. When tests are clear, residents on Cervantes and Erasmus will no longer need to boil their water. A CodeRED telephone message was sent to affected residents, and plant officials anticipated resolving the problem within 24 hours — before 4 p.m., Saturday.

For updates, check the city's website,, or call the Lake Oswego Water Treatment Plant at 503-635-0394. A map has been posted on the city's website that highlights the affected areas.

Cervantes will remain closed for several days, officials said, due to damage to the roadway (sinkhole). Residents can access the area from Jefferson Parkway.

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