Public water system · MO5010465
ActiveLiberal Pws
At a glance
Liberal Pws (PWSID MO5010465) is an active community water system in Barton County, Missouri. It reports serving 759 people through 336 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in May 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
759
Service connections
336
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Liberal Pws compare with other water systems in Barton County?
By EPA's size categories, Liberal Pws is a small system (501 to 3,300 people). Barton County has 4 active public water systems, and Liberal Pws is the 2nd-largest of them by population served. Its population served is about half of the county average of 1,570 people per system, and accounts for 12% of the 6,279 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 Liberal Pws 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 Liberal Pws?
EPA lists Liberal Pws 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. 4 of the 4 active systems in Barton County (100%) are also owned by a local government.
Does Liberal Pws have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in May 2012. By type: 1 monitoring and reporting. The contaminant or rule involved is Groundwater Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2012-05-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
The one violation in EPA's records.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.
Liberal Pws: frequently asked questions
Who runs Liberal Pws?
Liberal Pws (PWSID MO5010465) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Liberal Pws serve?
Liberal Pws reports serving 759 people through 336 service connections in Barton County, Missouri.
Where does Liberal Pws 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 Liberal Pws have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in May 2012. 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 Liberal Pws' 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 one violation for this system; it is not health-based, and the most recent began in May 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Liberal Pws' water quality report?
As a community water system, Liberal Pws 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 Barton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lamar Pws | Barton | 4,500 | Community | Surface water |
| Golden City Pws | Barton | 680 | Community | Groundwater |
| Mindenmines Pws | Barton | 340 | 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, “Liberal Pws, PWSID MO5010465, Missouri”, https://aquacensus.com/water-systems/missouri/liberal-pws-mo5010465 (data as of October 1, 2026).