Lake Oswego water remains safe to drink and use. A regional chlorine shortage has disrupted supplies. The City is monitoring the situation and asking everyone to use water wisely and reduce usage. Learn more.

Drinking Water and Algal Toxins

Key Information for Lake Oswego Water Customers - June 2018

Cyanotoxins (produced by blue green algae) were recently detected in Salem’s drinking water. Lake Oswego’s drinking water is safe to drink - no cyanotoxins have been detected in our drinking water or water source, the Clackamas River. The City of Lake Oswego participates in an active and well-established source water protection and monitoring plan for sampling and response to cyanotoxins. Read on for more information.