Does Columbia, NH tap water have any EPA-reported violations?

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

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

NH / Columbia

NH · Tap water records

Columbia tap water, in plain English

Here is what the EPA's own data shows about tap water in Columbia. According to EPA SDWIS data retrieved June 2026, Columbia is served by 1 active community water system, together reported to serve about 300 people.

As of June 2026, EPA records show 7 violations across the community water system(s) serving Columbia, 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
~300

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

North Stratford Water Dept

300 served · groundwater · PWSID NH2221010

Monitoring Chlorine: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2018. All have since returned to compliance, per EPA records.
Monitoring Public Notice: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 4 times between August 2003 and November 2011. All have since returned to compliance, per EPA records.
Monitoring E. COLI: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in August 2011. 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 once in October 2008. 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.