information
Most City offices closed Wednesday, June 19, to observe Juneteenth

The City of Portland recognizes Juneteenth as a formal day of remembrance to honor Black American history and the end of slavery in the United States. Learn about Juneteenth.

Water Pollution Control Laboratory

City Office
Water Pollution Control Laboratory
6543 N Burlington Avenue
Portland, OR 97203
Call for information: 503-823-5600