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

As of June 2026, EPA SDWIS records show 7 violation(s) across the community water systems serving Thompson, 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 Thompson, ND tap water come from?

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

ND / Thompson

ND · Tap water records

Thompson tap water, in plain English

Here is what the EPA's own data shows about tap water in Thompson. According to EPA SDWIS data retrieved June 2026, Thompson is served by 2 active community water systems, together reported to serve about 8,795 people.

As of June 2026, EPA records show 7 violations across the community water system(s) serving Thompson, 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
~8,795

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

East Central Regional Wd-Gf

5,995 served · groundwater · PWSID ND1801062

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 December 2020. All have since returned to compliance, per EPA records.
Monitoring Chloramine: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in October 2020. All have since returned to compliance, per EPA records.

East Central Regional Wd-Traill

2,800 served · groundwater · PWSID ND4901071

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 in April 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 3 times in April 2025. EPA records do not show all of these as returned to compliance.

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.