Reston, VA: High Radon Risk - Home Safety 50/100
6 ZIP codes · 1 water system · Updated
ZipCheckup grade for Reston: D.
Several federal signals point to home-safety risks in this ZIP.
Reston ranks below average for tap water safety in VA - health-based violations are documented across multiple service areas in recent EPA monitoring data.
How Reston Compares
Data: EPA SDWIS
Key Facts for Reston Residents
- Average lead level: 0.0012 mg/L.
- Estimated remediation: $2,300 per household.
- CDC health risk index: 9.75.
Reston's Water Providers
Consolidated water delivery characterizes Reston, VA: among 1 system in federal records, one utility holds the dominant service position - carrying the rate-setting authority, the infrastructure obligations, and the EPA reporting burden for most residential addresses.
- D
Overview
We track home safety data for 6 ZIP codes in Reston, Virginia (population ~64,503), covering 1 community water system serving approximately 1,121,613 people region-wide. The EPA snapshots used for this build directly map water systems to 3 of 6 ZIP codes.
The available EPA record reports 0 violations for 3 ZIP codes with a reported violation count.
Home Safety Score
Average Home Safety Score for Reston: D (50/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Reston water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0012 mg/L (EPA action level: 0.015 mg/L)
- 0 of 3 ZIP codes with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 6 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 20190 | D | Fairfax County Water Authority | 1,121,613 |
| 20191 | D | Fairfax County Water Authority | 1,121,613 |
| 20194 | D | Fairfax County Water Authority | 1,121,613 |
All ZIP Codes in Reston
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Reston Community Health Snapshot
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 Remediation Costs Compare in Reston
How much of a Reston home's value does documented remediation represent? A small fraction - the equity share here is in the low tier, and from a household financial perspective, most property owners are considering a commitment that fits comfortably within standard planning rather than a decision that rises to the level of a material budget event or significant equity consideration.
Remediation costs in Reston are relatively low compared to home values. The $1,533–$3,050 estimated range is a small fraction of median property value. Home values are 97% above the Virginia average.
Reston: Lead Risk & Vulnerable Populations
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.
Lead risk in Reston appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Reston: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Reston contains 30 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $7,312. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
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. The <strong>$2,300</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Reston
- 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 Reston, VA