ONTARIO CITY
Serving 1 city in OH
Official ONTARIO CITY Resources
ONTARIO CITY Service Area
Loading map...
This map shows the approximate service area for ONTARIO CITY. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
ONTARIO CITY Water Quality Grade
Some contaminants exceed health guidelines.
Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).
Is ONTARIO CITY Water Safe to Drink?
ONTARIO CITY has reported 3 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 6,656 people across 1 city in OH. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
ONTARIO CITY Service Area
ONTARIO CITY Contact & Information
Phone
Mailing Address
Water Sources & Treatment
Water Sources
Treatment Methods
Disinfectant Used
chlorine, filtration
Recommended Water Filters for ONTARIO CITY
Based on water quality data from cities served by ONTARIO CITY, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Stay Informed About Your Water Quality
Get EPA reports, filter recommendations, and safety alerts for your area.
Join 10,000+ people protecting their families. Unsubscribe anytime.