Does Shoreline, WA tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 4 violation(s) across the community water systems serving Shoreline, of which 0 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Shoreline, WA tap water come from?

Shoreline is served by 2 active community water system(s). Their primary sources, per EPA records, are: surface water.

WA / Shoreline

WA · Tap water records

Shoreline tap water, in plain English

Here is what the EPA's own data shows about tap water in Shoreline. According to EPA SDWIS data retrieved June 2026, Shoreline is served by 2 active community water systems, together reported to serve about 33,122 people.

As of June 2026, EPA records show 4 violations across the community water system(s) serving Shoreline, going back to the earliest EPA record. None were health-based; the records are monitoring or reporting violations (a required test or report was late or missed). Each is listed by system below, with its status.

2

Community water systems
~33,122

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

North City Water District

32,847 served · surface water · PWSID WA5339600

Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between July 2012 and July 2013. All have since returned to compliance, per EPA records.

Highlands Utility District

275 served · surface water · PWSID WA5332900

Monitoring TTHM: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in January 2016. All have since returned to compliance, per EPA records.
Monitoring Total Haloacetic Acids (HAA5): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in January 2016. All have since returned to compliance, per EPA records.

What this means

A health-based violation means a contaminant was recorded above the limit the EPA tracks for it. A monitoring or reporting violation means a required test or report was late or missed — not that a contaminant was measured above a limit. “Returned to compliance” means the EPA recorded the issue as resolved.

This page summarizes the EPA's own records and does not assess whether your water is safe to drink. For the most current details, you can verify every record directly with the EPA, and contact your water system with questions.

Source: U.S. EPA Envirofacts SDWIS, retrieved June 2026. Records cover the EPA's full reporting history for these systems. Verify at EPA ECHO.