The Water Bureau lifted a boil water alert for parts of Southest Portland on Wednesday.
The alert was issued issued Tuesday after an apparent construction mishap.
The bureau issued the following statement:
"As of 1:00 pm today, Wednesday November 20, 2013, the boil water notice for some 570 homes in Southwest Portland has been lifted. No contamination was detected following the unexpected loss of pressure, and the water is safe to drink.
"After consulting with the Oregon Health Authority on Tuesday, November 19, 2013, the Portland Water Bureau issued a precautionary boil water notice to residents in an area near SW 30th Avenue and SW Vermont Street.
"The notice responded to an unexpected loss of pressure following scheduled construction work in the area. Such notice is considered a conservative and proactive best management practice that alerts customers to an incident affecting the water system. "
The City encouraged customers to boil their water as a precaution. While unlikely, a loss of pressure in the water system could have allowed contaminants to enter the system without being treated. Samples collected in the affected area showed no contamination.
"We regret any inconvenience this incident caused. While the risk was low, a precautionary boil notice is a best practice designed to protect the health of drinking water customers.
"Staff at the Portland Water Bureau's Water Line, at 503-823-7525, is available to answer questions from members of the public."