Maryland — 2nd District
119th Congress · 47 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 47 ZIP codes in Maryland's 2nd District: the district earns a grade C (57/100). 104 EPA violations on record, 24 health-based.
Top Contaminants
ZIP Codes in This District
47 ZIP codes tracked in Maryland's 2nd District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 21048 | Finksburg | 70 | B | 0 |
| 2 | 21102 | Manchester | 70 | B | 0 |
| 3 | 21776 | New Windsor | 70 | B | 0 |
| 4 | 21791 | Union Bridge | 70 | B | 0 |
| 5 | 21158 | Westminster | 69 | C | 5 (1 health) |
| 6 | 21074 | Hampstead | 65 | C | 0 |
| 7 | 21120 | Parkton | 65 | C | 0 |
| 8 | 21787 | Taneytown | 65 | C | 0 |
| 9 | 21157 | Westminster | 64 | C | 5 (1 health) |
| 10 | 21251 | Baltimore | 64 | C | 11 (2 health) |
| 11 | 21282 | Baltimore | 64 | C | 11 (2 health) |
| 12 | 21284 | Baltimore | 64 | C | 11 (2 health) |
| 13 | 21285 | Baltimore | 64 | C | 11 (2 health) |
| 14 | 21094 | Lutherville Timonium | 63 | C | 0 |
| 15 | 21131 | Phoenix | 63 | C | 0 |
| 16 | 21139 | Riderwood | 63 | C | 0 |
| 17 | 21210 | Baltimore | 63 | C | 11 (2 health) |
| 18 | 21286 | Towson | 63 | C | 0 |
| 19 | 21153 | Stevenson | 62 | C | 4 (1 health) |
| 20 | 21209 | Baltimore | 58 | C | 11 (2 health) |
| 21 | 21211 | Baltimore | 58 | C | 11 (2 health) |
| 22 | 21053 | Freeland | 57 | C | 5 (2 health) |
| 23 | 21784 | Sykesville | 57 | C | 8 (5 health) |
| 24 | 21022 | Brooklandville | 55 | C | 0 |
| 25 | 21133 | Randallstown | 55 | C | 0 |
| 26 | 21152 | Sparks Glencoe | 55 | C | 0 |
| 27 | 21234 | Parkville | 55 | C | 0 |
| 28 | 21236 | Nottingham | 55 | C | 0 |
| 29 | 21237 | Rosedale | 55 | C | 0 |
| 30 | 21244 | Windsor Mill | 55 | C | 0 |
| 31 | 21023 | Butler | 53 | D | 0 |
| 32 | 21031 | Hunt Valley | 53 | D | 0 |
| 33 | 21065 | Hunt Valley | 53 | D | 0 |
| 34 | 21071 | Glyndon | 53 | D | 0 |
| 35 | 21136 | Reisterstown | 53 | D | 0 |
| 36 | 21163 | Woodstock | 53 | D | 0 |
| 37 | 21252 | Towson | 53 | D | 0 |
| 38 | 21030 | Cockeysville | 50 | D | 0 |
| 39 | 21093 | Lutherville Timonium | 50 | D | 0 |
| 40 | 21204 | Towson | 50 | D | 0 |
| 41 | 21208 | Pikesville | 50 | D | 0 |
| 42 | 21221 | Essex | 50 | D | 0 |
| 43 | 21117 | Owings Mills | 45 | D | 0 |
| 44 | 21220 | Middle River | 45 | D | 0 |
| 45 | 21020 | Boring | 40 | D | 0 |
| 46 | 21088 | Lineboro | 40 | D | 0 |
| 47 | 21155 | Upperco | 40 | D | 0 |
Overview
Maryland's 2nd District encompasses 47 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (57/100).
104 EPA violations have been recorded across this district's water systems. 24 are health-based violations. About 26% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Consumer Confidence Report Rule - 35 violations
- Stage 2 DBP Rule - 30 violations
- Total Trihalomethanes (TTHM) - 9 violations
- Lead and Copper Rule - 7 violations
- Lead - 7 violations
Housing Context
Homes in this district were built on average around 1976 (~50 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
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 47 ZIP codes in Maryland's 2nd District.