Does Plainville, MA tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 26 violation(s) across the community water systems serving Plainville, of which 20 are classified by the EPA as health-based. Most older violations have returned to compliance; see the per-system list.

Where does Plainville, MA tap water come from?

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

MA / Plainville

MA · Tap water records

Plainville tap water, in plain English

Here is what the EPA's own data shows about tap water in Plainville. According to EPA SDWIS data retrieved June 2026, Plainville is served by 2 active community water systems, together reported to serve about 8,840 people.

As of June 2026, EPA records show 26 violations across the community water system(s) serving Plainville, going back to the earliest EPA record. 20 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.

2

Community water systems
~8,840

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Plainville Water Department

8,805 served · surface water · PWSID MA4238000

Health-based TTHM: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 12 times between July 2017 and April 2023. The EPA record for these does not include a measured level. EPA records do not show all of these as returned to compliance.
Health-based Surface Water Treatment Rule: a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 2 times in June 2018. The EPA record for these does not include a measured level. EPA records do not show all of these as returned to compliance.
Health-based Total Haloacetic Acids (HAA5): a health-based violation (a contaminant recorded above the limit the EPA tracks), recorded 6 times between October 2017 and April 2018. The EPA record for these does not include a measured level. EPA records do not show all of these as returned to compliance.
Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 4 times between July 2010 and July 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 January 1995 and January 2000. All have since returned to compliance, per EPA records.

Simpson Mill Road

35 served · groundwater · PWSID NH1852090

As of June 2026, EPA records show no reported violations for this system in the period covered. This is not a guarantee about every substance, or about the water inside your home's plumbing.

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.