Does Dayville, OR tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 4 violation(s) across the community water systems serving Dayville, 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 Dayville, OR tap water come from?

Dayville is served by 1 active community water system(s). Their primary sources, per EPA records, are: groundwater.

OR / Dayville

OR · Tap water records

Dayville tap water, in plain English

Here is what the EPA's own data shows about tap water in Dayville. According to EPA SDWIS data retrieved June 2026, Dayville is served by 1 active community water system, together reported to serve about 155 people.

As of June 2026, EPA records show 4 violations across the community water system(s) serving Dayville, 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.

1

Community water system
~155

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Dayville, City Of

155 served · groundwater · PWSID OR4100253

Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in June 2020. All have since returned to compliance, per EPA records.
Monitoring Combined Radium (-226 and -228): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in January 2017. All have since returned to compliance, per EPA records.
Monitoring Lead and Copper Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between July 1994 and January 2005. 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.