Wastewater facilities plan
Subtitle: draft
By: United Sewerage Agency of Washington County [and] Tualatin Basin Consultants.
Contributors: United Sewerage Agency of Washington County.; Tualatin Basin Consultants.
Publisher: The Agency
Published: 1990
Place of publication: [Hillsboro, Or.]
Language: eng
Subjects: Sewage -- Purification -- Oregon -- Washington County.; Water quality management -- Oregon -- Tualatin River.
Notes: "March 1990."