Virginia — 10th District
119th Congress · 86 ZIP codes · Avg score 63/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 86 ZIP codes in Virginia's 10th District: the district earns a grade C (63/100). 37 EPA violations on record, 11 health-based.
Top Contaminants
ZIP Codes in This District
86 ZIP codes tracked in Virginia's 10th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 20105 | Aldie | 83 | B | 1 |
| 2 | 20106 | Amissville | 83 | B | 0 |
| 3 | 20132 | Purcellville | 83 | B | 0 |
| 4 | 20134 | Purcellville | 83 | B | 0 |
| 5 | 20136 | Bristow | 83 | B | 0 |
| 6 | 20141 | Round Hill | 83 | B | 0 |
| 7 | 20142 | Round Hill | 83 | B | 0 |
| 8 | 20146 | Ashburn | 83 | B | 1 |
| 9 | 20147 | Ashburn | 83 | B | 1 |
| 10 | 20148 | Ashburn | 83 | B | 1 |
| 11 | 20149 | Ashburn | 83 | B | 1 |
| 12 | 20158 | Hamilton | 83 | B | 1 |
| 13 | 20159 | Hamilton | 83 | B | 1 |
| 14 | 20176 | Leesburg | 83 | B | 0 |
| 15 | 20177 | Leesburg | 83 | B | 0 |
| 16 | 20178 | Leesburg | 83 | B | 0 |
| 17 | 20180 | Lovettsville | 83 | B | 0 |
| 18 | 20186 | Warrenton | 83 | B | 0 |
| 19 | 20187 | Warrenton | 83 | B | 0 |
| 20 | 20188 | Warrenton | 83 | B | 0 |
| 21 | 22093 | Ashburn | 83 | B | 1 |
| 22 | 20117 | Middleburg | 78 | B | 2 (2 health) |
| 23 | 20175 | Leesburg | 78 | B | 0 |
| 24 | 20109 | Manassas | 77 | B | 2 |
| 25 | 20110 | Manassas | 77 | B | 2 |
| 26 | 20112 | Manassas | 77 | B | 2 |
| 27 | 20118 | Middleburg | 77 | B | 2 (2 health) |
| 28 | 22747 | Washington | 77 | B | 7 (6 health) |
| 29 | 20111 | Manassas | 72 | B | 2 |
| 30 | 22642 | Linden | 70 | B | 1 |
| 31 | 20108 | Manassas | 69 | C | 2 |
| 32 | 22720 | Goldvein | 66 | C | 0 |
| 33 | 22739 | Somerville | 66 | C | 0 |
| 34 | 20113 | Manassas | 65 | C | 2 |
| 35 | 20129 | Paeonian Springs | 63 | C | 0 |
| 36 | 20131 | Philomont | 63 | C | 0 |
| 37 | 20143 | Catharpin | 63 | C | 0 |
| 38 | 20160 | Lincoln | 63 | C | 0 |
| 39 | 20166 | Sterling | 63 | C | 0 |
| 40 | 20181 | Nokesville | 63 | C | 0 |
| 41 | 22627 | Flint Hill | 63 | C | 0 |
| 42 | 22728 | Midland | 63 | C | 0 |
| 43 | 22740 | Sperryville | 63 | C | 0 |
| 44 | 22734 | Remington | 58 | C | 0 |
| 45 | 20135 | Bluemont | 57 | C | 5 (1 health) |
| 46 | 20120 | Centreville | 55 | C | 0 |
| 47 | 20124 | Clifton | 55 | C | 0 |
| 48 | 20155 | Gainesville | 55 | C | 0 |
| 49 | 20169 | Haymarket | 55 | C | 0 |
| 50 | 20101 | Dulles | 53 | D | 0 |
Overview
Virginia's 10th District encompasses 86 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (63/100).
37 EPA violations have been recorded across this district's water systems. 11 are health-based violations. About 22% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Stage 1 DBP Rule - 17 violations
- Consumer Confidence Report Rule - 12 violations
- Gross Beta - 4 violations
- Arsenic - 2 violations
- Surface Water Treatment Rule - 1 violation
Housing Context
Homes in this district were built on average around 1989 (~37 years old). Most homes were built after lead pipe regulations were tightened.
Data Sources
- Water quality violations: EPA Safe Drinking Water Information System (SDWIS)
- Congressional district boundaries: U.S. Census Bureau, 119th Congress
- Housing age: U.S. Census Bureau American Community Survey
Updated daily. Data covers 86 ZIP codes in Virginia's 10th District.