C59/100
Manassas Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 42,696 residents · Virginia
What's In Manassas's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
2
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 339.17 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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
MANASSAS, CITY OF
Population Served
42,696
Water Source
Surface Water
System ID
VA6685100
Frequently Asked Questions About Manassas Water
Is Manassas tap water safe to drink?
Manassas, Virginia tap water receives a grade of C (59/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 15 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Manassas's water?
Of the 69 contaminants tested in Manassas's water supply, the most notable include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Manassas have any water quality violations?
Yes, Manassas has 15 EPA violation(s) on record, with the most recent in 2018. Violation types include MR, MCL. 5 of these are health-based violations, which are the most serious category.
Do I need a water filter in Manassas?
Manassas 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. 2 contaminant(s) exceed these stricter goals.
Where does Manassas's tap water come from?
Manassas's drinking water is sourced from surface water and supplied by MANASSAS, CITY OF. The system serves approximately 42,696 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Manassas'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. Manassas'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 Manassas's water compare to other cities in Virginia?
Manassas's water quality score of 59/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Virginia state page to see how all cities in the state compare.
What should I do if I'm concerned about Manassas's water quality?
If you have concerns about Manassas'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 (MANASSAS, CITY OF) 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.