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LAIE WATER COMPANY vs HNL-WINDWARD-PEARL HARBOR

Water quality comparison — risk levels, violations, PFAS records, and contaminants

Quick Answer

Both utilities share the same risk level (safe). LAIE WATER COMPANY has 0 open health-based violations and 58 PFAS records. HNL-WINDWARD-PEARL HARBOR has 0 open health-based violations and 2610 PFAS records.

LAIE WATER COMPANY

Hawaii · HI0000325

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

58

PFAS records

HNL-WINDWARD-PEARL HARBOR

Hawaii · HI0000331

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

2610

PFAS records

Head-to-Head Comparison

MetricLAIE WATER COMPANYHNL-WINDWARD-PEARL HARBOR
StateHawaiiHawaii
Risk LevelNo Concerns DetectedNo Concerns Detected
Population Served5,577631,389
Open Health Violations00
Total Violations00
PFAS Records582610
OwnershipPrivateLocal
Service TypeGroundwaterGroundwater
City ServedLaieHonolulu-Windward-Pearlharbor

Key Differences

LAIE WATER COMPANY has 58 PFAS records vs. 2610 for HNL-WINDWARD-PEARL HARBOR.

What Should I Do?

If either utility shows open violations or elevated PFAS records, consider:

  • Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
  • Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
  • Ordering a certified lab water test if you want contaminant-specific data for your address.

Frequently Asked Questions

Which is safer — LAIE WATER COMPANY or HNL-WINDWARD-PEARL HARBOR?

Both utilities share the same risk level (safe). Both utilities have similar violation profiles — review the full data above to decide based on specific contaminants that concern you.

What does "open health-based violation" mean?

An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.

How current is this data?

Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.

What does PWSID mean?

PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.

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