Kalaupapa Nhp
EPA ID: HI0000239 · 110 people served · 1 ZIP code
Where compliant utilities carry no open actions, Kalaupapa Nhp shows 1 active EPA violation in the federal database for a service population of approximately 110.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Kalaupapa Nhp Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The Kalaupapa Nhp serves a community with a median household income of $86,250 and an estimated 43 residents across its service area. Approximately 84% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Kalaupapa Nhp's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 0% of homes in Kalawao County, Hawaii rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Kalaupapa Nhp compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Hawaii
System Overview
Kalaupapa Nhp (EPA ID: HI0000239) is a community water system in Hawaii that serves approximately 110 people from groundwater sources.
This system serves ZIP code 96742 in Kalaupapa.
Average Home Safety Score: A (86/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 1 | No |
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 96742 — Kalaupapa
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Kalaupapa Nhp (HI0000239) on EPA.gov.
Frequently Asked Questions
Is Kalaupapa Nhp water safe to drink?
Kalaupapa Nhp has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Kalaupapa Nhp serve?
Kalaupapa Nhp serves approximately 110 people across 1 ZIP code in Hawaii.
Where does Kalaupapa Nhp get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Frequently Asked Questions
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Kalaupapa Nhp (EPA ID: HI0000239) — request the latest Consumer Confidence Report or ask about specific contaminants.