Round Hill, VA Water Safety: 83/100 (2026)
2 ZIP codes · 3 water systems · Updated 2026-06-03
Round Hill, VA: reliable drinking water, above-average safety record, few violations.
How Round Hill Compares
Data: EPA SDWIS Last verified: 2026-06-03
Round Hill Water: The Quick Version
- Average lead level: 0.0034 mg/L.
- Estimated remediation: $1,600 per household.
- CDC health risk index: 9.74.
Water Systems Serving Round Hill
In Round Hill, VA, residential water supply is distributed across multiple utilities rather than concentrated in one. The 3 leading providers out of 3 tracked systems each control their own infrastructure, file separate EPA compliance reports, and set independent rate schedules.
Overview
We track water quality and home safety data for 2 ZIP codes in Round Hill, Virginia (population ~8,323), covering 3 community water systems serving approximately 14,386 people region-wide.
No EPA violations recorded across any ZIP codes in Round Hill — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Round Hill: B (83/100)
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
Round Hill water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0034 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 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 |
|---|---|---|---|
| 20141 | B | Round Hill, Town of | 5,019 |
| 20142 | B | Round Hill, Town of | 5,019 |
All ZIP Codes in Round Hill
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 Round Hill
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
Round Hill: Remediation Cost in Perspective
How much of a Round Hill 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 Round Hill are relatively low compared to home values. The $800–$2,500 estimated range is a small fraction of median property value. Home values are 116% above the Virginia average.
Protecting Children from Lead in Round Hill
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 Round Hill 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.
Climate-Related Water Risk for Round Hill
Flood activity in Round Hill is neither negligible nor at the level of the highest-exposure areas in the NFIP dataset. The 1-claim record and 50% flood zone coverage suggest a community that has experienced recurrent events but has not faced the kind of sustained, severe exposure where water-supply contamination becomes a primary public health concern. It sits in a middle range where flood history merits inclusion in any complete local water quality picture.
Round Hill has a moderate flood history with 1 FEMA claims averaging $778 per payout. 50% 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>$1,600</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.
Deep Dive Reports
Detailed analysis for Round Hill, VA