B77/100
FERNDALE — Water Quality Report 2026
Serving 19,305 people · Washington
Water Source
Groundwater
County
—
System ID
WA5324850
Violations
20
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – February 20, 2025Enforcement: Resolving — corrective action underway
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
Frequently Asked Questions About FERNDALE
Is FERNDALE water safe to drink?
FERNDALE water receives a grade of B (77/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has FERNDALE detected?
66 contaminants were tested in FERNDALE's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does FERNDALE have any EPA violations?
Yes, FERNDALE has 20 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR.
How many people does FERNDALE serve?
FERNDALE serves approximately 19,305 people, Washington.
What type of water does FERNDALE provide?
FERNDALE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WA5324850.
How does FERNDALE compare to other utilities in Washington?
FERNDALE scores 77/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Washington state page for a full comparison of water systems.