Dunn Loring, VA: High Radon Risk — 53/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Systems across Dunn Loring show elevated violation counts against VA benchmarks — the low safety grade reflects that ongoing compliance pattern.
How Dunn Loring Compares
Data: EPA SDWIS Last verified: 2026-06-03
Dunn Loring Water: The Quick Version
- Homes built before 1986: 29% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 9.75.
Water Systems Serving Dunn Loring
Multiple utilities divide Dunn Loring, VA's water service — 2 leading providers among 2 on the federal register.
Overview
We track water quality and home safety data for 1 ZIP code in Dunn Loring, Virginia (population ~1,781), covering 2 community water systems serving approximately 1,151,613 people region-wide.
No EPA violations recorded across any ZIP codes in Dunn Loring — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Dunn Loring: D (53/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Dunn Loring water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Dunn Loring
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 22027 | D | VIENNA, TOWN OF | 30,000 |
All ZIP Codes in Dunn Loring
- 22027 [D]
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
Updated daily.
CDC Health Data for Dunn Loring
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Dunn Loring's Housing Stock?
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Congress banned lead solder in residential plumbing in 1986, drawing a clear line in housing risk by era. Dunn Loring's median build year of 1995 puts most of its residential stock on the newer side of that boundary — a profile that generally correlates with lower plumbing-sourced lead exposure across the city.
Most homes in Dunn Loring were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
Dunn Loring: Remediation Cost in Perspective
Because property values in Dunn Loring comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Dunn Loring are relatively low compared to home values. The $2,000–$4,100 estimated range is a small fraction of median property value. Home values are 232% above the Virginia average.
Protecting Children from Lead in Dunn Loring
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Confirming what flows from a specific faucet still requires a one-home draw, even where Dunn Loring averages stay clean and the pre-rule housing share holds at 29%.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Dunn Loring
Across the NFIP's long tracking period, Dunn Loring shows 1 claim and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.
Dunn Loring has a moderate flood history with 1 FEMA claims averaging $5,901 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$3,000</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Dunn Loring
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Dunn Loring, VA