Waste Water Treatment Contact Information

451 Plymouth Street
St. Helens, OR 97051

Phone
503-397-2344

After Hours Emergency
503-397-1521

Hours
Labor Day (1st Monday in September) – Memorial Day (last Monday in May)
Mon-Fri, 8am-4:30pm

Memorial Day – Labor Day (summer hours)
Mon-Thurs, 6am – 4:30pm