F0/100
Vandalia Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,140 residents · Missouri
What's In Vandalia's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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
VANDALIA PWS
Population Served
3,140
Water Source
Surface Water
System ID
MO2010812
Frequently Asked Questions About Vandalia Water
Is Vandalia tap water safe to drink?
Vandalia, Missouri tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 31 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?
1 contaminants were tested in Vandalia's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Vandalia have any water quality violations?
Yes, Vandalia has 31 EPA violation(s) on record, with the most recent in 2015. Violation types include MCL, Other, MR. 28 of these are health-based violations, which are the most serious category.
Do I need a water filter in Vandalia?
Vandalia water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Vandalia's tap water come from?
Vandalia's drinking water is sourced from surface water and supplied by VANDALIA PWS. The system serves approximately 3,140 people. Surface water sources include rivers, lakes, and reservoirs.
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 Missouri?
Vandalia'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 Missouri 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 (VANDALIA 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.