Public water system · MO4010143
ActiveCaruthersville Pws
At a glance
Caruthersville Pws (PWSID MO4010143) is an active community water system in Pemiscot County, Missouri. It reports serving 5,518 people through 2,145 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
5,518
Service connections
2,145
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Caruthersville Pws compare with other water systems in Pemiscot County?
By EPA's size categories, Caruthersville Pws is a medium system (3,301 to 10,000 people). Pemiscot County has 6 active public water systems, and Caruthersville Pws is the largest of them by population served. Its population served is about 192% above the county average of 1,890 people per system, and accounts for 49% 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 Caruthersville Pws is about 18% 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 Caruthersville Pws?
EPA lists Caruthersville 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 Caruthersville Pws have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 2025. The violations listed here began between March 1995 and December 2025. By type: 3 monitoring and reporting, 1 reporting, 1 monitoring, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Groundwater Rule (2 of them). EPA lists 4 as resolved, 2 as archived 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2025-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Archived |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2024-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2010-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 7 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.
Caruthersville Pws: frequently asked questions
Who runs Caruthersville Pws?
Caruthersville Pws (PWSID MO4010143) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Caruthersville Pws serve?
Caruthersville Pws reports serving 5,518 people through 2,145 service connections in Pemiscot County, Missouri.
Where does Caruthersville 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 Caruthersville Pws have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in December 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 Caruthersville 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 7 violations for this system; 1 is health-based, and the most recent began in December 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 Caruthersville Pws' water quality report?
As a community water system, Caruthersville 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 |
|---|---|---|---|---|
| Hayti Pws | Pemiscot | 2,789 | 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, “Caruthersville Pws, PWSID MO4010143, Missouri”, https://aquacensus.com/water-systems/missouri/caruthersville-pws-mo4010143 (data as of October 1, 2026).