Hawaii — 2nd District
119th Congress · 83 ZIP codes · Avg score 77/100 · Grade B · Updated 2026-07-19
Data: EPA SDWIS / Census 119th Congress Last verified: 2026-07-19
ZipCheckup tracks water safety for 83 ZIP codes in Hawaii's 2nd District: the district earns a grade B (77/100). 16 EPA violations on record, 1 health-based.
Top Contaminants
ZIP Codes in This District
83 ZIP codes tracked in Hawaii's 2nd District. Showing top 50 by safety score.
| # | ZIP Code | City | Safety Score | Grade | Violations |
|---|---|---|---|---|---|
| 1 | 96767 | Lahaina | 95 | A | 0 |
| 2 | 96768 | Makawao | 95 | A | 0 |
| 3 | 96790 | Kula | 95 | A | 0 |
| 4 | 96748 | Kaunakakai | 90 | A | 0 |
| 5 | 96728 | Honomu | 88 | A | 0 |
| 6 | 96729 | Hoolehua | 88 | A | 0 |
| 7 | 96751 | Kealia | 88 | A | 0 |
| 8 | 96759 | Kunia | 88 | A | 0 |
| 9 | 96764 | Laupahoehoe | 88 | A | 0 |
| 10 | 96773 | Ninole | 88 | A | 0 |
| 11 | 96774 | Ookala | 88 | A | 0 |
| 12 | 96776 | Paauilo | 88 | A | 0 |
| 13 | 96781 | Papaikou | 88 | A | 0 |
| 14 | 96783 | Pepeekeo | 88 | A | 0 |
| 15 | 96784 | Puunene | 88 | A | 0 |
| 16 | 96788 | Pukalani | 88 | A | 0 |
| 17 | 96713 | Hana | 87 | A | 0 |
| 18 | 96731 | Kahuku | 87 | A | 0 |
| 19 | 96738 | Waikoloa | 87 | A | 0 |
| 20 | 96741 | Kalaheo | 87 | A | 0 |
| 21 | 96747 | Kaumakani | 87 | A | 0 |
| 22 | 96777 | Pahala | 87 | A | 0 |
| 23 | 96786 | Wahiawa | 87 | A | 0 |
| 24 | 96718 | Hawaii National Park | 86 | A | 0 |
| 25 | 96721 | Hilo | 86 | A | 2 |
| 26 | 96725 | Holualoa | 86 | A | 1 (1 health) |
| 27 | 96742 | Kalaupapa | 86 | A | 1 |
| 28 | 96757 | Kualapuu | 86 | A | 1 |
| 29 | 96857 | Schofield Barracks | 86 | A | 1 |
| 30 | 96761 | Lahaina | 85 | A | 0 |
| 31 | 96763 | Lanai City | 85 | A | 1 |
| 32 | 96793 | Wailuku | 85 | A | 0 |
| 33 | 96722 | Princeville | 82 | B | 0 |
| 34 | 96744 | Kaneohe | 82 | B | 3 |
| 35 | 96745 | Kailua Kona | 82 | B | 0 |
| 36 | 96754 | Kilauea | 82 | B | 0 |
| 37 | 96778 | Pahoa | 82 | B | 0 |
| 38 | 96770 | Maunaloa | 80 | B | 4 |
| 39 | 96703 | Anahola | 77 | B | 0 |
| 40 | 96752 | Kekaha | 77 | B | 0 |
| 41 | 96762 | Laie | 77 | B | 0 |
| 42 | 96766 | Lihue | 77 | B | 0 |
| 43 | 96704 | Captain Cook | 73 | B | 0 |
| 44 | 96707 | Kapolei | 73 | B | 0 |
| 45 | 96727 | Honokaa | 73 | B | 0 |
| 46 | 96749 | Keaau | 73 | B | 0 |
| 47 | 96750 | Kealakekua | 73 | B | 0 |
| 48 | 96760 | Kurtistown | 73 | B | 0 |
| 49 | 96765 | Lawai | 73 | B | 0 |
| 50 | 96771 | Mountain View | 73 | B | 0 |
Overview
Hawaii's 2nd District encompasses 83 ZIP codes tracked by ZipCheckup. The district's average Home Safety Score is B (77/100).
16 EPA violations have been recorded across this district's water systems. 1 are health-based violations. About 11% 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 - 11 violations
- Fecal Coliform - 2 violations
- Stage 2 DBP Rule - 1 violation
- Surface Water Treatment Rule - 1 violation
- Lead and Copper Rule - 1 violation
Housing Context
Homes in this district were built on average around 1979 (~47 years old). Older homes may have lead pipes or solder - consider a water filter if your home predates 1986.
Lead Alert: 3 ZIP codes in this district exceed the EPA action level for lead. Consider using a certified lead-removal filter.
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 83 ZIP codes in Hawaii's 2nd District.