2 plants indexed.
Rock Creek STP in Hillsboro, Oregon, serves over 305,000 people. The plant operates under the US Clean Water Act, ensuring treated effluent meets federal standards before discharge.
Hillsboro Westside STP serves approximately 43,370 people in Hillsboro, Oregon. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater.
UtilityRadar indexes 2 wastewater treatment plants in Hillsboro, with treatment level, capacity, operator and discharge data on each record.