Skip to content
AquaCensus

Public water system · MO4010509

Active

Matthews Pws

At a glance

Matthews Pws (PWSID MO4010509) is an active community water system in New Madrid County, Missouri. It reports serving 628 people through 273 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 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

628

Service connections

273

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO4010509
System typeCommunity water system
Activity statusActive
Population served628
Service connections273
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City servedMatthews
StateMissouri
ZIP—
CountyNew Madrid County

How does Matthews Pws compare with other water systems in New Madrid County?

By EPA's size categories, Matthews Pws is a small system (501 to 3,300 people). New Madrid County has 15 active public water systems. Its population served is about 39% below the county average of 1,031 people per system, and accounts for 4.1% of the 15,468 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 Matthews Pws is well 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 Matthews Pws?

EPA lists Matthews 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. 15 of the 15 active systems in New Madrid County (100%) are also owned by a local government.

Does Matthews Pws have drinking water violations?

EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between January 2023 and July 2025. By type: 3 monitoring and reporting and 1 reporting. The contaminants or rules involved are Lead and Copper Rule Revisions, Lead and Copper Rule, Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2024-10-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Total trihalomethanes (TTHM)code 2950NoResolved
2023-01-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Haloacetic acids (HAA5)code 2456NoResolved

All 4 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.

Matthews Pws: frequently asked questions

Who runs Matthews Pws?

Matthews Pws (PWSID MO4010509) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Matthews Pws serve?

Matthews Pws reports serving 628 people through 273 service connections in New Madrid County, Missouri.

Where does Matthews 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 Matthews Pws have any drinking water violations?

EPA's records list 4 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 Matthews 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 4 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 Matthews Pws' water quality report?

As a community water system, Matthews 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 New Madrid County

Water systemCountyPopulation servedTypeSource
New Madrid PwsNew Madrid3,250CommunityGroundwater
Portageville PwsNew Madrid3,200CommunityGroundwater
New Madrid County Pwsd 5New Madrid1,800CommunityGroundwater
Lilbourn PwsNew Madrid902CommunityGroundwater
Gideon PwsNew Madrid780CommunityGroundwater
Morehouse PwsNew Madrid749CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Matthews Pws, PWSID MO4010509, Missouri”, https://aquacensus.com/water-systems/missouri/matthews-pws-mo4010509 (data as of October 1, 2026).