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Public water system · MO6024629

Active

St Charles County Pwsd 2 Warren

At a glance

St Charles County Pwsd 2 Warren (PWSID MO6024629) is an active community water system in Warren County, Missouri. It reports serving 1,192 people through 283 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in August 1992.

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

Population served

1,192

Service connections

283

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMO6024629
System typeCommunity water system
Activity statusActive
Population served1,192
Service connections283
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMO state drinking water program
City served—
StateMissouri
ZIP—
CountyWarren County

How does St Charles County Pwsd 2 Warren compare with other water systems in Warren County?

By EPA's size categories, St Charles County Pwsd 2 Warren is a small system (501 to 3,300 people). Warren County has 27 active public water systems, and St Charles County Pwsd 2 Warren is the 4th-largest of them by population served. Its population served is about 59% above the county average of 749 people per system, and accounts for 5.9% of the 20,217 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 St Charles County Pwsd 2 Warren 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 St Charles County Pwsd 2 Warren?

EPA lists St Charles County Pwsd 2 Warren 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. 9 of the 27 active systems in Warren County (33%) are also owned by a local government.

Does St Charles County Pwsd 2 Warren have drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in August 1992. The violations listed here began between January 1991 and August 1992. By type: 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as archived and 1 as resolved. 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. 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
1992-08-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
1991-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
1991-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 3 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.

St Charles County Pwsd 2 Warren: frequently asked questions

Who runs St Charles County Pwsd 2 Warren?

St Charles County Pwsd 2 Warren (PWSID MO6024629) is a community water system owned by a local government. It is regulated by the MO state drinking water program.

How many people does St Charles County Pwsd 2 Warren serve?

St Charles County Pwsd 2 Warren reports serving 1,192 people through 283 service connections in Warren County, Missouri.

Where does St Charles County Pwsd 2 Warren 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 St Charles County Pwsd 2 Warren have any drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in August 1992. 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 St Charles County Pwsd 2 Warren'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 3 violations for this system; 1 is health-based, and the most recent began in August 1992. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find St Charles County Pwsd 2 Warren's water quality report?

As a community water system, St Charles County Pwsd 2 Warren 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 Warren County

Water systemCountyPopulation servedTypeSource
Warrenton PwsWarren8,208CommunityGroundwater
St Charles Co Pwsd #2 Wright CityWarren3,550CommunityGroundwater
Marthasville PwsWarren1,200CommunityGroundwater
American Foods GroupWarren1,100Non-transient non-communityGroundwater
Lake Sherwood SubdWarren1,100CommunityGroundwater
Truesdale PwsWarren853CommunityGroundwater

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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, “St Charles County Pwsd 2 Warren, PWSID MO6024629, Missouri”, https://aquacensus.com/water-systems/missouri/st-charles-county-pwsd-2-warren-mo6024629 (data as of October 1, 2026).