Arlington County - Willston Area
EPA ID: VA6013500 · 1,352 people served · 30 ZIP codes
With a five-year violation-free history, Arlington County - Willston Area delivers safe water to 1,352 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Arlington County - Willston Area serves a community with a median household income of $141,736 and an estimated 234,881 residents across its service area. Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Arlington County - Willston Area's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 1% of homes in Arlington County, Virginia rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points. Surface water sources near wastewater outfalls may face additional treatment challenges.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 30 detections recorded. 4 exceed federal EPA limits (4 ppt for PFOA/PFOS).
Comparable Water Systems
Similar-sized systems in Virginia
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Arlington County - Willston Area (EPA ID: VA6013500) is a community water system in Virginia that serves approximately 1,352 people from surface water sources.
This system provides water to 30 ZIP codes across 1 community.
Violation History
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 22201 — Arlington
- 22202 — Arlington
- 22203 — Arlington
- 22204 — Arlington
- 22205 — Arlington
- 22206 — Arlington
- 22207 — Arlington
- 22209 — Arlington
- 22210 — Arlington
- 22212 — Arlington
- 22213 — Arlington
- 22214 — Arlington
- 22215 — Arlington
- 22216 — Arlington
- 22217 — Arlington
- 22218 — Arlington
- 22219 — Arlington
- 22222 — Arlington
- 22225 — Arlington
- 22226 — Arlington
- 22227 — Arlington
- 22230 — Arlington
- 22234 — Arlington
- 22240 — Arlington
- 22241 — Arlington
- 22242 — Arlington
- 22243 — Arlington
- 22244 — Arlington
- 22245 — Arlington
- 22246 — Arlington
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Arlington County - Willston Area (VA6013500) on EPA.gov.
Frequently Asked Questions
Is Arlington County - Willston Area water safe to drink?
Based on EPA records, Arlington County - Willston Area has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Arlington County - Willston Area serve?
Arlington County - Willston Area serves approximately 1,352 people across 30 ZIP codes in Virginia.
Where does Arlington County - Willston Area get its water?
The primary water source is surface water.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.