C44/100
Vandalia Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 27,585 residents · Ohio
What's In Vandalia's Tap Water?
67
Contaminants Tested
2
Exceed EPA Limits
1
Above EPA Goals
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.37 mg/L | 1.30 mg/L | Over Limit |
PFOS | 0.005 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1998.
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
WRIGHT-PATTERSON AFB AREA B PWS
Population Served
11,034
Water Source
Groundwater
System ID
OH2903312
WRIGHT-PATTERSON AFB AREA A PWS
Population Served
16,551
Water Source
Groundwater
System ID
OH2903412
Frequently Asked Questions About Vandalia Water
Is Vandalia tap water safe to drink?
Vandalia, Ohio tap water receives a grade of C (44/100), which is considered fair. 4 contaminant(s) exceed EPA maximum contaminant levels and 21 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Vandalia's water?
Of the 67 contaminants tested in Vandalia's water supply, the most notable include PFOS, PFHxS, PFOA, Copper (90th percentile), Lead (90th percentile). 4 contaminant(s) exceed EPA legal limits (MCLs). 5 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Vandalia have any water quality violations?
Yes, Vandalia has 21 EPA violation(s) on record, with the most recent in 2013. Violation types include MR, MCL. 10 of these are health-based violations, which are the most serious category.
Do I need a water filter in Vandalia?
Based on EPA data, using a water filter in Vandalia is recommended. 4 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 Vandalia's tap water come from?
Vandalia's drinking water is sourced from groundwater and supplied by WRIGHT-PATTERSON AFB AREA B PWS and 1 other water system(s). The system serves approximately 27,585 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Vandalia'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. Vandalia'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 Vandalia's water compare to other cities in Ohio?
Vandalia's water quality score of 44/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Ohio state page to see how all cities in the state compare.
What should I do if I'm concerned about Vandalia's water quality?
If you have concerns about Vandalia'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 (WRIGHT-PATTERSON AFB AREA B PWS) 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.