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Public water system · MO6031274

Active

Southfield Subdivision

At a glance

Southfield Subdivision (PWSID MO6031274) is an active community water system in Lincoln County, Missouri. It reports serving 40 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024.

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

Population served

40

Service connections

20

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO6031274
System typeCommunity water system
Activity statusActive
Population served40
Service connections20
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMO state drinking water program
City served—
StateMissouri
ZIP—
CountyLincoln County

How does Southfield Subdivision compare with other water systems in Lincoln County?

By EPA's size categories, Southfield Subdivision is a very small system (500 people or fewer). Lincoln County has 45 active public water systems. Its population served is well below the county average of 1,000 people per system, and accounts for less than 0.1% of the 45,010 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 Southfield Subdivision 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 Southfield Subdivision?

EPA lists Southfield Subdivision as privately owned. 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. 37 of the 45 active systems in Lincoln County (82%) are also privately owned.

Does Southfield Subdivision have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between November 2005 and October 2024. By type: 2 public notice, recordkeeping or other, 1 reporting, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 5 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2016-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2011-01-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2005-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

All 5 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.

Southfield Subdivision: frequently asked questions

Who runs Southfield Subdivision?

Southfield Subdivision (PWSID MO6031274) is a community water system privately owned. It is regulated by the MO state drinking water program.

How many people does Southfield Subdivision serve?

Southfield Subdivision reports serving 40 people through 20 service connections in Lincoln County, Missouri.

Where does Southfield Subdivision 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 Southfield Subdivision have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Southfield Subdivision's 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 5 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Southfield Subdivision's water quality report?

As a community water system, Southfield Subdivision 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 Lincoln County

Water systemCountyPopulation servedTypeSource
Troy PwsLincoln15,000CommunityGroundwater
Lincoln County Pwsd 1Lincoln14,000CommunityGroundwater
Moscow Mills PwsLincoln4,500CommunityGroundwater
Elsberry PwsLincoln2,076CommunityGroundwater
Winfield PwsLincoln1,489CommunityPurchased groundwater
Mo American Warren County Water & SewerLincoln + 1 more1,200CommunityGroundwater

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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, “Southfield Subdivision, PWSID MO6031274, Missouri”, https://aquacensus.com/water-systems/missouri/southfield-subdivision-mo6031274 (data as of October 1, 2026).