Public water system · MO6031324
ActiveWestmier Subdivision
At a glance
Westmier Subdivision (PWSID MO6031324) is an active community water system in Lincoln County, Missouri. It reports serving 90 people through 32 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
90
Service connections
32
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Westmier Subdivision compare with other water systems in Lincoln County?
By EPA's size categories, Westmier Subdivision is a very small system (500 people or fewer). Lincoln County has 45 active public water systems. Its population served is well below the county average of 1,000 people per system, and accounts for 0.2% of the 45,010 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 Westmier 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 Westmier Subdivision?
EPA lists Westmier 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. 37 of the 45 active systems in Lincoln County (82%) are also privately owned.
Does Westmier Subdivision have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2010. The violations listed here began between April 2005 and June 2010. 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 3 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 |
|---|---|---|---|---|
| 2010-06-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2010-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
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.
Westmier Subdivision: frequently asked questions
Who runs Westmier Subdivision?
Westmier Subdivision (PWSID MO6031324) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Westmier Subdivision serve?
Westmier Subdivision reports serving 90 people through 32 service connections in Lincoln County, Missouri.
Where does Westmier 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 Westmier Subdivision have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 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 Westmier 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. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 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 Westmier Subdivision's water quality report?
As a community water system, Westmier 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Troy Pws | Lincoln | 15,000 | Community | Groundwater |
| Lincoln County Pwsd 1 | Lincoln | 14,000 | Community | Groundwater |
| Moscow Mills Pws | Lincoln | 4,500 | Community | Groundwater |
| Elsberry Pws | Lincoln | 2,076 | Community | Groundwater |
| Winfield Pws | Lincoln | 1,489 | Community | Purchased groundwater |
| Mo American Warren County Water & Sewer | Lincoln + 1 more | 1,200 | 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, “Westmier Subdivision, PWSID MO6031324, Missouri”, https://aquacensus.com/water-systems/missouri/westmier-subdivision-mo6031324 (data as of October 1, 2026).