Waiawa Correctional Facility
EPA ID: HI0000348 · 444 people served · 7 ZIP codes
Federal monitoring records confirm Waiawa Correctional Facility has operated without any EPA violations for the full five-year window — covering every contaminant category and reporting cycle across a service area of approximately 444 residents, with no gaps in the compliance record.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Demographics
The Waiawa Correctional Facility serves a community with a median household income of $115,723 and an estimated 243,753 residents across its service area. Approximately 48% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Waiawa Correctional Facility's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 2% of homes in Honolulu County, Hawaii rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Superfund Proximity Note: This service area ranks in the 60th percentile nationally for proximity to Superfund (NPL) sites.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.
Comparable Water Systems
Similar-sized systems in Hawaii
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
WAIAWA CORRECTIONAL FACILITY (EPA ID: HI0000348) is a community water system in Hawaii that serves approximately 444 people from surface water sources.
This system provides water to 7 ZIP codes across 6 communities.
Average Home Safety Score: C (66/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
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
- 96706 — Ewa Beach
- 96707 — Kapolei
- 96709 — Kapolei
- 96782 — Pearl City
- 96797 — Waipahu
- 96853 — J B P H H
- 96859 — Tripler Army Medical Center
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Waiawa Correctional Facility (HI0000348) on EPA.gov.
Frequently Asked Questions
Is Waiawa Correctional Facility water safe to drink?
Based on EPA records, Waiawa Correctional Facility has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Waiawa Correctional Facility serve?
Waiawa Correctional Facility serves approximately 444 people across 7 ZIP codes in Hawaii.
Where does Waiawa Correctional Facility get its water?
The primary water source is surface water.
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
Waiawa Correctional Facility (EPA ID: HI0000348) — request the latest Consumer Confidence Report or ask about specific contaminants.