F0/100
Napoleon Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 8,858 residents · Ohio
What's In Napoleon's Tap Water?
52
Contaminants Tested
1
Exceed EPA Limits
0
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 50.00 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2019.
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
NAPOLEON CITY
Population Served
8,858
Water Source
Surface Water
System ID
OH3500811
Frequently Asked Questions About Napoleon Water
Is Napoleon tap water safe to drink?
Napoleon, Ohio tap water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA maximum contaminant levels and 22 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Napoleon's water?
Of the 52 contaminants tested in Napoleon's water supply, the most notable include Copper (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Napoleon have any water quality violations?
Yes, Napoleon has 22 EPA violation(s) on record, with the most recent in 2019. Violation types include MR, TT, MCL. 20 of these are health-based violations, which are the most serious category.
Do I need a water filter in Napoleon?
Based on EPA data, using a water filter in Napoleon 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 Napoleon's tap water come from?
Napoleon's drinking water is sourced from surface water and supplied by NAPOLEON CITY. The system serves approximately 8,858 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Napoleon'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. Napoleon'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 Napoleon's water compare to other cities in Ohio?
Napoleon'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 Napoleon's water quality?
If you have concerns about Napoleon'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 (NAPOLEON 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.