A87/100
Nas Whidbey Island Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 16,595 residents · Washington
What's In Nas Whidbey Island's Tap Water?
69
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1994.
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
NAVAL AIR STATION/WHIDBEY ISLAND
Population Served
16,595
Water Source
Purchased Surface Water
System ID
WA5303420
Frequently Asked Questions About Nas Whidbey Island Water
Is Nas Whidbey Island tap water safe to drink?
Nas Whidbey Island, Washington tap water receives a grade of A (87/100), which is considered excellent. Out of 69 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Nas Whidbey Island's water?
Of the 69 contaminants tested in Nas Whidbey Island's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Nas Whidbey Island have any water quality violations?
Yes, Nas Whidbey Island has 10 EPA violation(s) on record, with the most recent in 1994. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in Nas Whidbey Island?
Nas Whidbey Island 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. 1 contaminant(s) exceed these stricter goals.
Where does Nas Whidbey Island's tap water come from?
Nas Whidbey Island's drinking water is sourced from purchased surface water and supplied by NAVAL AIR STATION/WHIDBEY ISLAND. The system serves approximately 16,595 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Nas Whidbey Island'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. Nas Whidbey Island'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 Nas Whidbey Island's water compare to other cities in Washington?
Nas Whidbey Island's water quality score of 87/100 earns a grade of A, which is considered excellent. This places Nas Whidbey Island among the better-performing water systems in Washington. Visit our Washington state page to see how all cities in the state compare.
What should I do if I'm concerned about Nas Whidbey Island's water quality?
If you have concerns about Nas Whidbey Island'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 (NAVAL AIR STATION/WHIDBEY ISLAND) 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.