Baltimore, MD Neighborhood Water Quality — Grade C
50 ZIP codes · 550 EPA violations
Data source: EPA SDWIS Last verified: 2026-06-03
Water quality varies significantly across Baltimore, MD. We analyzed 50 ZIP codes to help you compare neighborhoods by water safety, lead risk, and EPA compliance.
City Overview: Grade C (64/100)
| Grade | Neighborhoods | % |
|---|---|---|
| A | 1 | 2% |
| B | 1 | 2% |
| C | 48 | 96% |
| D | 0 | 0% |
| F | 0 | 0% |
Neighborhood Rankings
Every ZIP code in Baltimore ranked by Home Safety Score:
| Rank | ZIP Code | Score | Grade | Violations | Lead Risk |
|---|---|---|---|---|---|
| 1 | 21203 | 93 | A | 11 | 0.0027 mg/L |
| 2 | 21240 | 81 | B | 11 | 0.0027 mg/L |
| 3 | 21201 | 68 | C | 11 | 0.0027 mg/L |
| 4 | 21205 | 68 | C | 11 | 0.0027 mg/L |
| 5 | 21217 | 68 | C | 11 | 0.0027 mg/L |
| 6 | 21298 | 68 | C | 11 | 0.0027 mg/L |
| 7 | 21233 | 64 | C | 11 | 0.0027 mg/L |
| 8 | 21235 | 64 | C | 11 | 0.0027 mg/L |
| 9 | 21241 | 64 | C | 11 | 0.0027 mg/L |
| 10 | 21250 | 64 | C | 11 | 0.0027 mg/L |
| 11 | 21251 | 64 | C | 11 | 0.0027 mg/L |
| 12 | 21260 | 64 | C | 11 | 0.0027 mg/L |
| 13 | 21263 | 64 | C | 11 | 0.0027 mg/L |
| 14 | 21264 | 64 | C | 11 | 0.0027 mg/L |
| 15 | 21265 | 64 | C | 11 | 0.0027 mg/L |
| 16 | 21268 | 64 | C | 11 | 0.0027 mg/L |
| 17 | 21270 | 64 | C | 11 | 0.0027 mg/L |
| 18 | 21273 | 64 | C | 11 | 0.0027 mg/L |
| 19 | 21274 | 64 | C | 11 | 0.0027 mg/L |
| 20 | 21275 | 64 | C | 11 | 0.0027 mg/L |
| 21 | 21278 | 64 | C | 11 | 0.0027 mg/L |
| 22 | 21279 | 64 | C | 11 | 0.0027 mg/L |
| 23 | 21280 | 64 | C | 11 | 0.0027 mg/L |
| 24 | 21281 | 64 | C | 11 | 0.0027 mg/L |
| 25 | 21282 | 64 | C | 11 | 0.0027 mg/L |
| 26 | 21283 | 64 | C | 11 | 0.0027 mg/L |
| 27 | 21284 | 64 | C | 11 | 0.0027 mg/L |
| 28 | 21285 | 64 | C | 11 | 0.0027 mg/L |
| 29 | 21287 | 64 | C | 11 | 0.0027 mg/L |
| 30 | 21288 | 64 | C | 11 | 0.0027 mg/L |
| 31 | 21289 | 64 | C | 11 | 0.0027 mg/L |
| 32 | 21290 | 64 | C | 11 | 0.0027 mg/L |
| 33 | 21297 | 64 | C | 11 | 0.0027 mg/L |
| 34 | 21202 | 63 | C | 11 | 0.0027 mg/L |
| 35 | 21206 | 63 | C | 11 | 0.0027 mg/L |
| 36 | 21210 | 63 | C | 11 | 0.0027 mg/L |
| 37 | 21212 | 63 | C | 11 | 0.0027 mg/L |
| 38 | 21213 | 63 | C | 11 | 0.0027 mg/L |
| 39 | 21214 | 63 | C | 11 | 0.0027 mg/L |
| 40 | 21216 | 63 | C | 11 | 0.0027 mg/L |
| 41 | 21218 | 63 | C | 11 | 0.0027 mg/L |
| 42 | 21223 | 63 | C | 11 | 0.0027 mg/L |
| 43 | 21224 | 63 | C | 11 | 0.0027 mg/L |
| 44 | 21239 | 63 | C | 11 | 0.0027 mg/L |
| 45 | 21209 | 58 | C | 11 | 0.0027 mg/L |
| 46 | 21211 | 58 | C | 11 | 0.0027 mg/L |
| 47 | 21215 | 58 | C | 11 | 0.0027 mg/L |
| 48 | 21229 | 58 | C | 11 | 0.0027 mg/L |
| 49 | 21230 | 58 | C | 11 | 0.0027 mg/L |
| 50 | 21231 | 58 | C | 11 | 0.0027 mg/L |
How Neighborhoods Compare
Each ZIP code compared to county and state averages:
- 50 neighborhoods score better than county average
- 0 neighborhoods score worse than county average
EPA Violations
- 550 total violations across Baltimore
- 100 health-based violations
- 50 of 50 ZIP codes have violations
- 0 ZIP codes exceed EPA lead action level
Top Contaminants
| Contaminant | Violations | ZIPs |
|---|---|---|
| Consumer Confidence Report Rule | 250 | 50 |
| Stage 2 DBP Rule | 100 | 50 |
| Lead | 50 | 50 |
| Contaminant 2384 | 50 | 50 |
| Total Trihalomethanes (TTHM) | 50 | 50 |
Frequently Asked Questions
What is the safest neighborhood in Baltimore?
ZIP code 21203 has the highest safety score in Baltimore at 93/100 (grade A). Check the full report for details.
Is Baltimore water safe to drink?
Baltimore has an average water safety score of 64/100 (C). Water quality varies by neighborhood — no ZIP codes currently exceed EPA lead limits. Always check your specific ZIP code.
Related Pages
Data Sources
- EPA SDWIS
- U.S. Census Bureau
Updated daily.