New Jersey — 4th District
119th Congress · 44 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-06-03
Top Contaminants
ZIP Codes in This District
44 ZIP codes tracked in New Jersey's 4th District.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 08733 | Lakehurst | 94 | A | 3 |
| 2 | 08527 | Jackson | 87 | A | 34 (3 health) |
| 3 | 08754 | Toms River | 87 | A | 4 |
| 4 | 08533 | New Egypt | 83 | B | 14 |
| 5 | 08741 | Pine Beach | 82 | B | 0 |
| 6 | 08755 | Toms River | 82 | B | 4 |
| 7 | 08740 | Ocean Gate | 77 | B | 2 |
| 8 | 08757 | Toms River | 77 | B | 4 |
| 9 | 08722 | Beachwood | 76 | B | 99 |
| 10 | 08751 | Seaside Heights | 75 | B | 0 |
| 11 | 08752 | Seaside Park | 75 | B | 0 |
| 12 | 08735 | Lavallette | 73 | B | 5 |
| 13 | 08759 | Manchester Township | 73 | B | 0 |
| 14 | 08731 | Forked River | 69 | C | 24 (3 health) |
| 15 | 08753 | Toms River | 67 | C | 4 |
| 16 | 07715 | Belmar | 64 | C | 26 (3 health) |
| 17 | 07727 | Farmingdale | 63 | C | 4 |
| 18 | 08701 | Lakewood | 63 | C | 10 |
| 19 | 07716 | Atlantic Highlands | 60 | C | 1 |
| 20 | 08732 | Island Heights | 60 | C | 0 |
| 21 | 07722 | Colts Neck | 57 | C | 4 |
| 22 | 08734 | Lanoka Harbor | 55 | C | 0 |
| 23 | 08739 | Normandy Beach | 55 | C | 0 |
| 24 | 07731 | Howell | 51 | D | 1 |
| 25 | 07719 | Belmar | 49 | D | 26 (3 health) |
| 26 | 08730 | Brielle | 49 | D | 9 |
| 27 | 07702 | Shrewsbury | 45 | D | 0 |
| 28 | 07724 | Eatontown | 45 | D | 0 |
| 29 | 07738 | Lincroft | 45 | D | 0 |
| 30 | 07710 | Adelphia | 40 | D | 0 |
| 31 | 07712 | Asbury Park | 40 | D | 0 |
| 32 | 07755 | Oakhurst | 40 | D | 0 |
| 33 | 08720 | Allenwood | 40 | D | 0 |
| 34 | 08738 | Mantoloking | 40 | D | 0 |
| 35 | 08750 | Sea Girt | 40 | D | 0 |
| 36 | 07717 | Avon By The Sea | 35 | F | 0 |
| 37 | 07718 | Belford | 35 | F | 0 |
| 38 | 07748 | Middletown | 35 | F | 0 |
| 39 | 07758 | Port Monmouth | 35 | F | 0 |
| 40 | 07762 | Spring Lake | 35 | F | 0 |
| 41 | 08724 | Brick | 35 | F | 179 (6 health) |
| 42 | 08723 | Brick | 30 | F | 179 (6 health) |
| 43 | 08736 | Manasquan | 30 | F | 0 |
| 44 | 08742 | Point Pleasant Beach | 30 | F | 0 |
Overview
New Jersey's 4th District serving an estimated 2,103,130 residents encompasses 44 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is C (56/100).
636 EPA violations have been recorded across this district's water systems. 24 are health-based violations. About 48% 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 — 115 violations
- Surface Water Treatment Rule — 27 violations
- Consumer Confidence Report Rule — 26 violations
- E. coli — 13 violations
- Haloacetic Acids (HAA5) — 13 violations
Housing Context
Homes in this district were built on average around 1971 (~55 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 44 ZIP codes in New Jersey's 4th District.