Does Hayti, MO tap water have any EPA-reported violations?

As of June 2026, EPA SDWIS records show 104 violation(s) across the community water systems serving Hayti, 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 Hayti, MO tap water come from?

Hayti is served by 3 active community water system(s). Their primary sources, per EPA records, are: groundwater.

MO / Hayti

MO · Tap water records

Hayti tap water, in plain English

Here is what the EPA's own data shows about tap water in Hayti. According to EPA SDWIS data retrieved June 2026, Hayti is served by 3 active community water systems, together reported to serve about 9,351 people.

As of June 2026, EPA records show 104 violations across the community water system(s) serving Hayti, 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.

3

Community water systems
~9,351

People served (EPA-reported)
June 2026

EPA records reviewed through

What the EPA has on record, by system

Pemiscot County Con Pwsd 1

6,042 served · groundwater · PWSID MO4024448

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.

Hayti Pws

2,789 served · groundwater · PWSID MO4010354

Monitoring LEAD AND COPPER RULE REVISIONS: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in July 2025. 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 7 times between July 2019 and July 2024. All have since returned to compliance, per EPA records.
Monitoring Revised Total Coliform Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 7 times between July 2023 and November 2023. All have since returned to compliance, per EPA records.
Monitoring Stage 2 Disinfectants and Disinfection Byproducts Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in April 2008. All have since returned to compliance, per EPA records.

Hayti Heights Pws

520 served · groundwater · PWSID MO4010959

Monitoring Public Notice: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 13 times between December 2005 and July 2025. All have since returned to compliance, per EPA records.
Monitoring Consumer Confidence Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 22 times between July 2005 and July 2025. All have since returned to compliance, per EPA records.
Monitoring LEAD AND COPPER RULE REVISIONS: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in October 2024. 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 16 times between January 2019 and October 2024. EPA records do not show all of these as returned to compliance.
Monitoring TTHM: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 7 times between January 2019 and January 2021. All have since returned to compliance, per EPA records.
Monitoring Total Haloacetic Acids (HAA5): a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 7 times between January 2019 and January 2021. 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 6 times between January 1995 and October 2020. EPA records do not show all of these as returned to compliance.
Monitoring Groundwater Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded 15 times between May 2016 and September 2020. All have since returned to compliance, per EPA records.
Monitoring Stage 2 Disinfectants and Disinfection Byproducts Rule: a monitoring or reporting violation (a required test or report was late or missed — not a measured exceedance), recorded once in April 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.