2405 Malheur Drive, Ontario, OR 97914
Plant Supervisor: Delhie Block
Phone: 541-889-9102
Fax: 541-889-9224
Email: delhie.block@ontariooregon.org The city's wastewater treatment plant operators use a conventional treatment system of aerated lagoons and secondary chlorination treatment. Effluent from the treatment process is used to irrigate forage crops during the growing season.
Office Hours:
Monday thru Friday
8:00 a.m. - 12:00 p.m.
1:00 p.m. - 5:00 p.m.
Closed
Weekends and Holidays
After Hours or Emergencies Call:
541-889-7266
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