A95/100
Laie Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 5,577 residents · Hawaii
What's In Laie's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2000.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
LAIE WATER COMPANY
Population Served
5,577
Water Source
Groundwater
System ID
HI0000325
Frequently Asked Questions About Laie Water
Is Laie tap water safe to drink?
Laie, Hawaii tap water receives a grade of A (95/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA maximum contaminant levels (MCLs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Laie's water?
31 contaminants were tested in Laie's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.
Does Laie have any water quality violations?
Yes, Laie has 1 EPA violation(s) on record, with the most recent in 2000. Violation types include MCL. 1 of these are health-based violations, which are the most serious category.
Do I need a water filter in Laie?
Laie water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. All contaminants are within health goals.
Where does Laie's tap water come from?
Laie's drinking water is sourced from groundwater and supplied by LAIE WATER COMPANY. The system serves approximately 5,577 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Laie's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Laie's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Laie's water compare to other cities in Hawaii?
Laie's water quality score of 95/100 earns a grade of A, which is considered excellent. This places Laie among the better-performing water systems in Hawaii. Visit our Hawaii state page to see how all cities in the state compare.
What should I do if I'm concerned about Laie's water quality?
If you have concerns about Laie's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (LAIE WATER COMPANY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.