Tap Water Quality in Ashburn, Virginia (ZIP 20148)
Serving Ashburn, Virginia
Is the Tap Water Safe in Ashburn, Virginia?
Tap water in Ashburn, Virginia (ZIP 20148) has 17 contaminants above EPA health-based guidelines (MCLGs) in at least one of the 1 city served. We recommend reviewing detailed city reports below and considering a certified water filter for additional protection.
ZIP 20148 is served by 6 water utilities providing water to Ashburn. Water quality varies by utility and city. Click on the cities below to see detailed reports for your specific area.
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Water Quality Report for ZIP 20148
5 contaminants above EPA health guidelines
These levels represent the worst case across all cities in this ZIP code. Check individual city reports for specific details.
Found in Ashburn
Found in Ashburn
Found in Ashburn
Found in Ashburn
Found in Ashburn
Water Utilities Serving ZIP 20148
SELMA ESTATES
1,540
Water Source:
Groundwater under influence of surface water
Contaminants Tested:
167
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Best Water Filters for Ashburn (ZIP 20148)
Based on the contaminants found in your area, we recommend NSF-certified water filters that can remove the specific contaminants above health guidelines.
Filter guides for the contaminants detected here:
Check if your filter is certified to remove Arsenic
Marketing pages and Amazon listings often say "filters arsenic" without naming the NSF/ANSI standard behind the claim. Search any brand or model in our cert-checker to see whether Arsenic reduction is in the third-party-verified listing.
Check filters certified for ArsenicFrequently Asked Questions about Ashburn Tap Water
Is the tap water safe in Ashburn, Virginia (ZIP 20148)?
Which water utilities serve ZIP code 20148?
How do I pay my water bill in Ashburn (ZIP 20148)?
What contaminants are in Ashburn water (ZIP 20148)?
Should I use a water filter in Ashburn (ZIP 20148)?
What cities are in ZIP code 20148?
How we built this page
Water-quality data on this page comes from public federal and state records for the 6 utilityies serving ZIP 20148. We refresh each utility's record whenever its underlying source publishes new data.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: the most recent published Consumer Confidence Report (CCR) from each utility serving this ZIP, where available.
- Service area & contact: EPA SDWIS plus the Virginia Department of Environmental Protection / Drinking Water program.
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