Public water system · MO4010354
ActiveHayti Pws
At a glance
Hayti Pws (PWSID MO4010354) is an active community water system in Pemiscot County, Missouri. It reports serving 2,789 people through 998 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,789
Service connections
998
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hayti Pws compare with other water systems in Pemiscot County?
By EPA's size categories, Hayti Pws is a small system (501 to 3,300 people). Pemiscot County has 6 active public water systems, and Hayti Pws is the 2nd-largest of them by population served. Its population served is about 48% above the county average of 1,890 people per system, and accounts for 25% of the 11,341 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Hayti Pws is about 58% below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.
Who owns and regulates Hayti Pws?
EPA lists Hayti Pws as owned by a local government. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 6 active systems in Pemiscot County (100%) are also owned by a local government.
Does Hayti Pws have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between February 1991 and July 2025. By type: 4 monitoring and reporting, 3 public notice, recordkeeping or other, 2 monitoring and 1 reporting. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 9 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2002-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-02-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Hayti Pws: frequently asked questions
Who runs Hayti Pws?
Hayti Pws (PWSID MO4010354) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Hayti Pws serve?
Hayti Pws reports serving 2,789 people through 998 service connections in Pemiscot County, Missouri.
Where does Hayti Pws get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Hayti Pws have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Hayti Pws' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Hayti Pws' water quality report?
As a community water system, Hayti Pws must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Pemiscot County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Caruthersville Pws | Pemiscot | 5,518 | Community | Groundwater |
| Steele Pws | Pemiscot | 1,975 | Community | Groundwater |
| Hayti Heights Pws | Pemiscot | 520 | Community | Groundwater |
| Wardell Pws | Pemiscot | 310 | Community | Groundwater |
| Holland Pws | Pemiscot | 229 | Community | Purchased groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Hayti Pws, PWSID MO4010354, Missouri”, https://aquacensus.com/water-systems/missouri/hayti-pws-mo4010354 (data as of October 1, 2026).