Water Quality in Ontario, OR (97914)
EPA violation data for public water systems serving ZIP code 97914.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
19,713
Population
17
Water Systems
110
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (17)
Ontario, City Of
All resolvedFreeway General Store
Fry Foods
All resolvedOdot Hd Sage Hen Hill Rest Area
All resolvedWestgate Mobile Home Park
Cairo Elementary Sd 8
All resolvedPioneer Elementary Sd 8c
All resolvedHoly Rosary Hospital
Sacajawea Mobile Home Park
Malheur County Child Dev Ctr
Mobilette Ranch
Annex Charter School
All resolvedShadow Butte Golf Course/Rest.
North Star Motel & Cafe
Odot Stanton Blvd Facility
All resolvedBoulevard Grange # 389
Country Campground
1 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Ontario (97914) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 110.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.