Public water system · MO3036131
ActiveMo American Maplewood Subdivision
At a glance
Mo American Maplewood Subdivision (PWSID MO3036131) is an active community water system in Pettis County, Missouri. It reports serving 1,008 people through 379 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,008
Service connections
379
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mo American Maplewood Subdivision compare with other water systems in Pettis County?
By EPA's size categories, Mo American Maplewood Subdivision is a small system (501 to 3,300 people). Pettis County has 30 active public water systems, and Mo American Maplewood Subdivision is the 4th-largest of them by population served. Its population served is roughly in line with the county average of 950 people per system, and accounts for 3.5% of the 28,494 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 Maplewood 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 Mo American Maplewood Subdivision?
EPA lists Mo American Maplewood 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. 24 of the 30 active systems in Pettis County (80%) are also privately owned.
Does Mo American Maplewood Subdivision have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2010. The violations listed here began between January 1993 and July 2010. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 12 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2010-07-19 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2003-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
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.
Mo American Maplewood Subdivision: frequently asked questions
Who runs Mo American Maplewood Subdivision?
Mo American Maplewood Subdivision (PWSID MO3036131) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Mo American Maplewood Subdivision serve?
Mo American Maplewood Subdivision reports serving 1,008 people through 379 service connections in Pettis County, Missouri.
Where does Mo American Maplewood 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 Mo American Maplewood Subdivision have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2010. 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 Maplewood 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. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2010. 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 Maplewood Subdivision's water quality report?
As a community water system, Mo American Maplewood 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 Pettis County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Sedalia Pws | Pettis | 21,725 | Community | Groundwater |
| Tyson Poultry Inc. | Pettis | 1,400 | Non-transient non-community | Groundwater |
| La Monte Pws | Pettis | 1,120 | Community | Groundwater |
| Green Ridge Pws | Pettis | 595 | Community | Groundwater |
| Mo American Smithton | Pettis | 563 | Community | Groundwater |
| Southgate Subdivision | Pettis | 216 | Community | Groundwater |
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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, “Mo American Maplewood Subdivision, PWSID MO3036131, Missouri”, https://aquacensus.com/water-systems/missouri/mo-american-maplewood-subdivision-mo3036131 (data as of October 1, 2026).