WATER QUALITY VA

Water Quality in Mount Vernon, VA: No Violations — Grade C

Grade C · Score 66/100 · 1 water system · Updated 2026-05-03

Mount Vernon's water has moderate compliance issues. Residents in affected areas should consider filtration.

Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03

Across all 1 water system serving Mount Vernon, VA, federal monitoring data documents zero EPA violations — no MCL exceedances, no monitoring lapses, no enforcement actions anywhere in the compliance history.

Water Grade

Total Violations

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ZIPs with Violations

ZIP Codes Monitored

Water Quality by ZIP Code in Mount Vernon

Water quality varies across Mount Vernon's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.

ZIP Code	Grade	Score	Violations	Health
22121	C	66	0	0	View report →

Water Quality Overview

Mount Vernon, Virginia receives a water quality grade of C with an overall score of 66 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).

No EPA violations have been recorded for the 1 water system serving Mount Vernon. This is a positive indicator, though it does not guarantee the absence of all contaminants — some substances (like PFAS) are not yet fully regulated.

What Grade C Means

A grade of C indicates moderate compliance issues. Mount Vernon's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.

Lead Levels

Lead testing data for Mount Vernon is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.

Water Systems Serving Mount Vernon

Mount Vernon is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 2,640 people across 1 ZIP codes.

Each water system is identified by a Public Water System ID (PWSID) and is required to:

Test for over 90 regulated contaminants on a regular schedule
Report results to the EPA and state regulators
Issue an annual Consumer Confidence Report (CCR) to all customers
Take corrective action when violations occur

How to Check Your Water in Mount Vernon

Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts

Mount Vernon vs. Nearby Virginia Cities

How Mount Vernon's water quality compares to similar cities in Virginia:

City	Grade	Systems	Population
Mount Vernon	C	1	2,640
Annandale	C	1	2,640
Newington	C	1	2,640
Elkton	D	1	2,595

Common Questions About Mount Vernon Water

These are the most common questions residents search for about water quality in Mount Vernon, Virginia:

Is Mount Vernon water hard or soft? Water hardness varies by source. Mount Vernon's 1 water system uses a single source. Check your ZIP code report for specific hardness data.

Can I drink Mount Vernon tap water? Mount Vernon's water receives a grade of C (66/100). No health-based violations have been recorded, but home testing is always recommended.

What is the best water filter for Mount Vernon? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.

Mount Vernon vs. Virginia Average

Understanding how Mount Vernon compares to the broader Virginia average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.

To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Mount Vernon.

ZIP Codes in Mount Vernon

Mount Vernon spans 1 ZIP code. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.

Data Sources

Water quality: EPA Safe Drinking Water Information System (SDWIS)
Lead/copper: EPA Lead and Copper Rule sampling data
Radon: EPA Map of Radon Zones
Enforcement: EPA ECHO database
Filter recommendations: NSF/ANSI certified products

Updated daily.

Frequently Asked Questions

Is Mount Vernon tap water safe to drink?

Mount Vernon's water receives a grade of C (66/100). Some areas have recorded violations — residents in affected ZIP codes may want to consider water testing.

What contaminants are found in Mount Vernon water?

Mount Vernon water systems have zero recorded violations. While this is excellent, the EPA recommends annual testing as contaminants can enter your water through home plumbing.

How many water violations does Mount Vernon have?

Mount Vernon has 0 total EPA violations across 1 water system. 0 of 1 ZIP codes have at least one violation.

How many water systems serve Mount Vernon?

Mount Vernon is served by 1 public water system supplying drinking water across 1 ZIP codes. Water quality can vary between systems — check your specific ZIP code for localized data.

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