2 plants indexed.
Kellogg Creek STP serves Milwaukie, Oregon, treating wastewater for approximately 88,705 residents. The plant operates under the U. S. Clean Water Act, discharging treated effluent into the Kellogg Creek watershed, which flows to the Willamette River
Tryon Creek STP in Milwaukie, Oregon serves approximately 78,460 people. The plant operates under the U. S. Clean Water Act, discharging treated wastewater into the Willamette River system.