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Public water system · MO6010590

Active

Oak Grove Village Pws

At a glance

Oak Grove Village Pws (PWSID MO6010590) is an active community water system in Franklin County, Missouri. It reports serving 508 people through 128 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2025.

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

Population served

508

Service connections

128

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO6010590
System typeCommunity water system
Activity statusActive
Population served508
Service connections128
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City served—
StateMissouri
ZIP—
CountyFranklin County

How does Oak Grove Village Pws compare with other water systems in Franklin County?

By EPA's size categories, Oak Grove Village Pws is a small system (501 to 3,300 people). Franklin County has 81 active public water systems. Its population served is about 42% below the county average of 876 people per system, and accounts for 0.7% of the 70,978 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 Oak Grove Village 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 Oak Grove Village Pws?

EPA lists Oak Grove Village 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. 23 of the 81 active systems in Franklin County (28%) are also owned by a local government.

Does Oak Grove Village Pws have drinking water violations?

EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2025. The violations listed here began between December 1992 and July 2025. By type: 3 contaminant level above the legal limit, 2 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 4 as resolved and 2 as archived. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2014-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2001-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1998-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Trichloroethylenecode 2984YesArchived
1992-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 6 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.

Oak Grove Village Pws: frequently asked questions

Who runs Oak Grove Village Pws?

Oak Grove Village Pws (PWSID MO6010590) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does Oak Grove Village Pws serve?

Oak Grove Village Pws reports serving 508 people through 128 service connections in Franklin County, Missouri.

Where does Oak Grove Village 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 Oak Grove Village Pws have any drinking water violations?

EPA's records list 6 violations for this system; 3 are 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 Oak Grove Village 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 6 violations for this system; 3 are 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 Oak Grove Village Pws' water quality report?

As a community water system, Oak Grove Village 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 Franklin County

Water systemCountyPopulation servedTypeSource
Washington PwsFranklin14,068CommunityGroundwater
Union PwsFranklin12,348CommunityGroundwater
Franklin County Pwsd 3Franklin8,250CommunityGroundwater
Sullivan PwsFranklin + 1 more7,081CommunityGroundwater
Pacific PwsFranklin + 1 more6,000CommunityGroundwater
St Clair PwsFranklin4,700CommunityGroundwater

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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, “Oak Grove Village Pws, PWSID MO6010590, Missouri”, https://aquacensus.com/water-systems/missouri/oak-grove-village-pws-mo6010590 (data as of October 1, 2026).