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FOR ALL WATER TREATMENT INQUIRIES PLEASE CALL: (541) 889-8011 and state your reason for the call. The appropriate Public Works Water Treatment staff member will contact you that same day. Thank you for your consideration, Ontario Public Works Department |
The Ontario Water Treatment Plant supplies the City and the Snake River Correctional Institute with high quality potable water. The treatment plant is a conventional surface water treatment plant with mixed media filters, adsorption clarifiers and flocculation/clarification basins. The main treatment plant can treat up to six million gallons of water per day, with an additional four million gallons per day treated through the new plant built in 2005-2006. Snake River water is blended with a series of shallow surface water influenced groundwater sources (wells). Treatment is required for iron and manganese reduction, sediment/color removal, taste/odor control, and chlorine disinfection/filtration for microscopic organism destruction and removal. Located at: 1900 SE 5th Avenue |
To Turn Off Water for Repairs
(541) 881-3246
After-Hours Emergency Water Shut Off
(541) 473-5125
(541) 881-3246
After-Hours Emergency Water Shut Off
(541) 473-5125
Backflow Testing
The City of Ontario has a Cross-Connection Program which is administered by the Operations Division. Oregon Health Services has established rules that require the City to protect its water system, which is accomplished by requiring that all underground sprinklers attached to the City's water main have a backflow device installed. This device prevents any non-potable water source within a citizen's property from entering into and contaminating the community drinking water supply. The Operations Division monitors the identification and testing of backflow devices in the City.
Backflow Assembly Testing Program
Available Backflow Testers
Backflow Assembly Testing Program
Available Backflow Testers
Water DistributionStaff ensures that water is delivered to the customers' taps when needed, and that the drinking water delivery system meets Oregon State Drinking Water Standards. Duties include the maintenance and repair of approximately 96.47 miles of water lines and 3,625 services which include service installations and repairs, mainline installation and repair, meter reading and repairs, maintenance and repair of 611 fire hydrants, valve exercising of 1,714 water valves, and emergency response. Staff installs approximately 10 new water services and replaces or repairs approximately 120 services annually. Duties also include testing of all backflow devices on City property.
Homeowners requiring water shut off at the meter are required to contact City personnel. Call (541) 881-3246 and a City representative will come out and turn your water off. If water needs to be shut off on the weekend or after hours during the week, please call (541) 473-5125 and Malheur County Dispatch Center will notify the on-call person to turn off your water. If a homeowner or contractor attempts to shut off the water at the meter without calling the City and the meter or waterline breaks, all repair expenses will be made at the homeowner's expense. |
96.47 Miles of Water Lines 3,625 Services 611 Fire Hydrants |
