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Public water system · MO4010777

Active

Summersville Pws

At a glance

Summersville Pws (PWSID MO4010777) is an active community water system in Texas County, Missouri. It reports serving 502 people through 269 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

502

Service connections

269

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO4010777
System typeCommunity water system
Activity statusActive
Population served502
Service connections269
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City servedSummersville
StateMissouri
ZIP—
CountyTexas County

How does Summersville Pws compare with other water systems in Texas County?

By EPA's size categories, Summersville Pws is a small system (501 to 3,300 people). Texas County has 12 active public water systems. Its population served is about 63% below the county average of 1,341 people per system, and accounts for 3.1% of the 16,087 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 Summersville 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 Summersville Pws?

EPA lists Summersville 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. 10 of the 12 active systems in Texas County (83%) are also owned by a local government.

Does Summersville Pws have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026. The violations listed here began between August 2022 and January 2026. By type: 5 required treatment not met, 5 public notice, recordkeeping or other, 1 monitoring and 1 reporting. The contaminant or rule involved most often is Groundwater Rule (4 of them). EPA lists 10 as resolved and 2 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
2026-01-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Groundwater Rulecode 0700YesResolved
2026-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2025-07-02ReportingNotification, Known or Potential LSL · code 4HLead and Copper Rule Revisionscode 5200NoUnaddressed
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoUnaddressed
2025-06-21Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2025-03-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Groundwater Rulecode 0700YesResolved
2025-01-28Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2024-11-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Groundwater Rulecode 0700YesResolved
2024-07-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Groundwater Rulecode 0700YesResolved
2023-07-19Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-06-05Required treatment not metTreatment Technique No Certif. Operator · code 12Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400YesResolved
2022-08-09Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved

The 12 most recent 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.

Summersville Pws: frequently asked questions

Who runs Summersville Pws?

Summersville Pws (PWSID MO4010777) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Summersville Pws serve?

Summersville Pws reports serving 502 people through 269 service connections in Texas County, Missouri.

Where does Summersville 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 Summersville Pws have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026. 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 Summersville 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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Summersville Pws' water quality report?

As a community water system, Summersville 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 Texas County

Water systemCountyPopulation servedTypeSource
Texas County Pwsd 1Texas3,335CommunityGroundwater
Licking PwsTexas2,781CommunityGroundwater
Texas County Pwsd 4Texas2,398CommunityGroundwater
Cabool PwsTexas2,146CommunityGroundwater
Houston PwsTexas2,134CommunityGroundwater
Texas County Pwsd 2Texas1,400CommunityGroundwater

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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, “Summersville Pws, PWSID MO4010777, Missouri”, https://aquacensus.com/water-systems/missouri/summersville-pws-mo4010777 (data as of October 1, 2026).