TapWaterMap

OR / Seaside

OR · Tap water records

Seaside tap water, in plain English

Here is what the EPA's own data shows about tap water in Seaside. According to EPA SDWIS data retrieved June 2026, Seaside is served by 3 active community water systems, together reported to serve about 7,742 people.

As of June 2026, EPA records show 557 violations across the community water system(s) serving Seaside, going back to the earliest EPA record. 29 of these are classified by the EPA as health-based (a contaminant recorded above the limit the EPA tracks); the rest are monitoring or reporting violations. Each is listed by system below, with its status.

What the EPA has on record, by system

Seaside Water Department

7,482 served · surface water · PWSID OR4100799

Elderberry Nehalem Ws

160 served · groundwater · PWSID OR4100804

Maple Elsie Water Service

100 served · groundwater · PWSID OR4100805

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.