Does Mountain, ND tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 14 violation(s) across the community water systems serving Mountain, 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 Mountain, ND tap water come from?

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

ND / Mountain

ND · Tap water records

Mountain tap water, in plain English

Here is what the EPA's own data shows about tap water in Mountain. According to EPA SDWIS data retrieved June 2026, Mountain is served by 1 active community water system, together reported to serve about 92 people.

As of June 2026, EPA records show 14 violations across the community water system(s) serving Mountain, 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
~92

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Mountain City Of

92 served · groundwater · PWSID ND3400707

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 October 2007 and November 2025. EPA records do not show all of these as returned to compliance.
Monitoring Chlorine: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 10 times between January 2017 and July 2022. EPA records do not show all of these as returned to compliance.
Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 2 times between January 2018 and July 2021. 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.