F0/100
Celina Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 11,682 residents · Ohio
What's In Celina's Tap Water?
70
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 100.00 mg/L | 1.30 mg/L | Over Limit |
chlorate | 230.00 µg/L | — | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: August 19, 2024 – August 30, 2024Enforcement: Resolving — corrective action underway
TIER 3Unresolved
Surface water treatment technique failure
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
CELINA CITY
Population Served
11,682
Water Source
Surface Water
System ID
OH5400011
Frequently Asked Questions About Celina Water
Is Celina tap water safe to drink?
Celina, Ohio tap water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA maximum contaminant levels and 89 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Celina's water?
Of the 70 contaminants tested in Celina's water supply, the most notable include Copper (90th percentile), chlorate. 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Celina have any water quality violations?
Yes, Celina has 89 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MCL, MR. 44 of these are health-based violations, which are the most serious category.
Do I need a water filter in Celina?
Based on EPA data, using a water filter in Celina is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Celina's tap water come from?
Celina's drinking water is sourced from surface water and supplied by CELINA CITY. The system serves approximately 11,682 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Celina's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Celina's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Celina's water compare to other cities in Ohio?
Celina's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Ohio state page to see how all cities in the state compare.
What should I do if I'm concerned about Celina's water quality?
If you have concerns about Celina's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (CELINA CITY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.