Mississippi — 4th District
119th Congress · 77 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 77 ZIP codes in Mississippi's 4th District: the district earns a grade B (78/100). 382 EPA violations on record, 47 health-based.
Top Contaminants
ZIP Codes in This District
77 ZIP codes tracked in Mississippi's 4th District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 39529 | Stennis Space Center | 97 | A | 1 |
| 2 | 39322 | Buckatunna | 94 | A | 3 (1 health) |
| 3 | 39566 | Ocean Springs | 94 | A | 8 (1 health) |
| 4 | 39324 | Clara | 93 | A | 5 (1 health) |
| 5 | 39461 | Neely | 93 | A | 6 (2 health) |
| 6 | 39522 | Stennis Space Center | 93 | A | 1 |
| 7 | 39534 | Biloxi | 93 | A | 3 |
| 8 | 39535 | Biloxi | 93 | A | 3 |
| 9 | 39569 | Pascagoula | 93 | A | 11 (2 health) |
| 10 | 39595 | Pascagoula | 93 | A | 11 (2 health) |
| 11 | 39480 | Soso | 91 | A | 2 |
| 12 | 39362 | State Line | 90 | A | 5 |
| 13 | 39475 | Purvis | 89 | A | 6 (1 health) |
| 14 | 39455 | Lumberton | 88 | A | 12 (2 health) |
| 15 | 39482 | Sumrall | 88 | A | 1 |
| 16 | 39502 | Gulfport | 88 | A | 10 (2 health) |
| 17 | 39505 | Gulfport | 88 | A | 10 (2 health) |
| 18 | 39506 | Gulfport | 88 | A | 10 (2 health) |
| 19 | 39568 | Pascagoula | 88 | A | 11 (2 health) |
| 20 | 39577 | Wiggins | 88 | A | 11 (2 health) |
| 21 | 39425 | Brooklyn | 87 | A | 3 |
| 22 | 39451 | Leakesville | 86 | A | 2 |
| 23 | 39462 | New Augusta | 86 | A | 1 (1 health) |
| 24 | 39367 | Waynesboro | 85 | A | 15 (2 health) |
| 25 | 39423 | Beaumont | 84 | B | 4 |
| 26 | 39459 | Moselle | 84 | B | 4 |
| 27 | 39533 | Biloxi | 84 | B | 3 |
| 28 | 39552 | Escatawpa | 84 | B | 4 (1 health) |
| 29 | 39573 | Perkinston | 84 | B | 4 |
| 30 | 39574 | Saucier | 84 | B | 3 (1 health) |
| 31 | 39426 | Carriere | 83 | B | 1 |
| 32 | 39441 | Laurel | 83 | B | 7 |
| 33 | 39442 | Laurel | 83 | B | 7 |
| 34 | 39476 | Richton | 82 | B | 4 |
| 35 | 39556 | Kiln | 79 | B | 7 (1 health) |
| 36 | 39443 | Laurel | 78 | B | 7 |
| 37 | 39470 | Poplarville | 78 | B | 5 |
| 38 | 39562 | Moss Point | 78 | B | 5 (2 health) |
| 39 | 39525 | Diamondhead | 76 | B | 2 |
| 40 | 39540 | Diberville | 75 | B | 4 (2 health) |
| 41 | 39531 | Biloxi | 74 | B | 3 |
| 42 | 39564 | Ocean Springs | 74 | B | 8 (1 health) |
| 43 | 39571 | Pass Christian | 74 | B | 6 (1 health) |
| 44 | 39572 | Pearlington | 74 | B | 4 |
| 45 | 39440 | Laurel | 73 | B | 7 |
| 46 | 39457 | Mc Neill | 73 | B | 0 |
| 47 | 39463 | Nicholson | 73 | B | 0 |
| 48 | 39464 | Ovett | 73 | B | 0 |
| 49 | 39501 | Gulfport | 73 | B | 10 (2 health) |
| 50 | 39503 | Gulfport | 73 | B | 10 (2 health) |
Overview
Mississippi's 4th District encompasses 77 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (78/100).
382 EPA violations have been recorded across this district's water systems. 47 are health-based violations. About 86% of tracked ZIP codes have at least one violation.
Top Contaminants
The most frequently cited water quality issues in this district:
- Total Trihalomethanes (TTHM) - 200 violations
- Stage 2 DBP Rule - 78 violations
- Revised Total Coliform Rule - 41 violations
- Consumer Confidence Report Rule - 22 violations
- Lead and Copper Rule - 11 violations
Housing Context
Homes in this district were built on average around 1987 (~39 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 77 ZIP codes in Mississippi's 4th District.