Lorton, VA: High Radon Risk — 54/100 (2026)
2 ZIP codes · 3 water systems · Updated 2026-06-03
Lorton, VA: water systems collectively below average — violations documented.
How Lorton Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Lorton Residents
- Estimated remediation: $2,600 per household.
- CDC health risk index: 9.75.
Lorton's Water Providers
Water delivery in Lorton, VA is handled by 3 utilities rather than a single system — drawn from 3 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 2 ZIP codes in Lorton, Virginia (population ~36,523), covering 3 community water systems serving approximately 1,329,663 people region-wide.
No EPA violations recorded across any ZIP codes in Lorton — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Lorton: D (54/100)
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
Lorton water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Lorton
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 1 ZIP code
- Zone 2 (Moderate): 1 ZIP code
- 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 |
|---|---|---|---|
| 22079 | D | FAIRFAX COUNTY WATER AUTHORITY | 1,121,613 |
| 22199 | C | PWCSA - EAST | 168,747 |
All ZIP Codes in Lorton
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.
Lorton 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 Lorton
The household financial picture for Lorton homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.
Remediation costs in Lorton are relatively low compared to home values. The $1,600–$3,700 estimated range is a small fraction of median property value. Home values are 92% above the Virginia average.
Lorton: Flood History & Water Damage Risk
Measured across the NFIP's multi-decade tracking period, Lorton shows a moderate flood record — 45 claims and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Lorton has a moderate flood history with 45 FEMA claims averaging $6,979 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>$2,600</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 Lorton
- 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 Lorton, VA