Skip to content
AquaCensus

Public water system · MO1010762

Active

Mo American Stewartsville

At a glance

Mo American Stewartsville (PWSID MO1010762) is an active community water system in DeKalb County, Missouri. It reports serving 928 people through 371 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2021.

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

Population served

928

Service connections

371

Primary source

GWP

Purchased groundwater

System type

CWS

Community water system

System record

PWSIDMO1010762
System typeCommunity water system
Activity statusActive
Population served928
Service connections371
Primary water sourcePurchased groundwater
Owner typePrivate
Primacy agencyMO state drinking water program
City servedStewartsville
StateMissouri
ZIP—
CountyDeKalb County

How does Mo American Stewartsville compare with other water systems in DeKalb County?

By EPA's size categories, Mo American Stewartsville is a small system (501 to 3,300 people). DeKalb County has 6 active public water systems, and Mo American Stewartsville is the 3rd-largest of them by population served. Its population served is about half of the county average of 1,783 people per system, and accounts for 8.7% of the 10,695 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 Mo American Stewartsville 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 177 Missouri systems (6%) list purchased groundwater as their primary source.

Who owns and regulates Mo American Stewartsville?

EPA lists Mo American Stewartsville 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. 1 of the 6 active systems in DeKalb County (17%) are also privately owned.

Does Mo American Stewartsville have drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2021. The violations listed here began between April 1997 and July 2021. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 9 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
2021-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2021-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2008-07-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2006-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2001-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1997-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 9 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.

Mo American Stewartsville: frequently asked questions

Who runs Mo American Stewartsville?

Mo American Stewartsville (PWSID MO1010762) is a community water system privately owned. It is regulated by the MO state drinking water program.

How many people does Mo American Stewartsville serve?

Mo American Stewartsville reports serving 928 people through 371 service connections in DeKalb County, Missouri.

Where does Mo American Stewartsville get its water?

EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.

Does Mo American Stewartsville have any drinking water violations?

EPA's records list 9 violations for this system; none is health-based, and the most recent began in July 2021. 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 Mo American Stewartsville'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 9 violations for this system; none is health-based, and the most recent began in July 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.

Where can I find Mo American Stewartsville's water quality report?

As a community water system, Mo American Stewartsville 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 DeKalb County

Water systemCountyPopulation servedTypeSource
Dekalb County Pwsd 1DeKalb7,635CommunityPurchased groundwater
Maysville PwsDeKalb1,096CommunityPurchased groundwater
Osborn PwsDeKalb405CommunityPurchased groundwater
Union Star PwsDeKalb386CommunityPurchased groundwater
Clarksdale PwsDeKalb245CommunityPurchased groundwater

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, “Mo American Stewartsville, PWSID MO1010762, Missouri”, https://aquacensus.com/water-systems/missouri/mo-american-stewartsville-mo1010762 (data as of October 1, 2026).