City Government - Regulation & Admissions in Ontario, OR | Ontario Oregon City Government - Regulation & Admissions - iBegin

Ontario Wastewater Treatment
2405 Malheur Dr (541) 889-9102

Ontario Water Dept
444 Sw 4th St (541) 889-7681

Ontario Water Treatment Plant
1900 Se 5th Ave (541) 889-8011

Utility Billing Dept
444 Sw 4th St (541) 881-3246