Public water system · MO3036105
ActiveMo American Monsees Lake Estates
At a glance
Mo American Monsees Lake Estates (PWSID MO3036105) is an active community water system in Pettis County, Missouri. It reports serving 155 people through 62 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, 4 are health-based, and the most recent began in July 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
155
Service connections
62
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mo American Monsees Lake Estates compare with other water systems in Pettis County?
By EPA's size categories, Mo American Monsees Lake Estates is a very small system (500 people or fewer). Pettis County has 30 active public water systems. Its population served is well below the county average of 950 people per system, and accounts for 0.5% 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 Monsees Lake Estates 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 Monsees Lake Estates?
EPA lists Mo American Monsees Lake Estates 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 Monsees Lake Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2021. The violations listed here began between September 2005 and July 2021. By type: 5 public notice, recordkeeping or other, 4 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 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 |
|---|---|---|---|---|
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-02-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2005-12-16 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2005-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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 Monsees Lake Estates: frequently asked questions
Who runs Mo American Monsees Lake Estates?
Mo American Monsees Lake Estates (PWSID MO3036105) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Mo American Monsees Lake Estates serve?
Mo American Monsees Lake Estates reports serving 155 people through 62 service connections in Pettis County, Missouri.
Where does Mo American Monsees Lake Estates 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 Monsees Lake Estates have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are 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 Monsees Lake Estates' 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, 4 are 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 Monsees Lake Estates' water quality report?
As a community water system, Mo American Monsees Lake Estates 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 |
| Mo American Maplewood Subdivision | Pettis | 1,008 | Community | Groundwater |
| Green Ridge Pws | Pettis | 595 | Community | Groundwater |
| Mo American Smithton | Pettis | 563 | 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 Monsees Lake Estates, PWSID MO3036105, Missouri”, https://aquacensus.com/water-systems/missouri/mo-american-monsees-lake-estates-mo3036105 (data as of October 1, 2026).