Public water system · MO4024072
ActiveButler County Pwsd 3
At a glance
Butler County Pwsd 3 (PWSID MO4024072) is an active community water system in Butler County, Missouri. It reports serving 2,600 people through 1,017 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,600
Service connections
1,017
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Butler County Pwsd 3 compare with other water systems in Butler County?
By EPA's size categories, Butler County Pwsd 3 is a small system (501 to 3,300 people). Butler County has 14 active public water systems, and Butler County Pwsd 3 is the 3rd-largest of them by population served. Its population served is roughly in line with the county average of 2,566 people per system, and accounts for 7.2% of the 35,928 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 Butler County Pwsd 3 is about 61% 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 Butler County Pwsd 3?
EPA lists Butler County Pwsd 3 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. 8 of the 14 active systems in Butler County (57%) are also owned by a local government.
Does Butler County Pwsd 3 have drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2026. The violations listed here began between June 2010 and January 2026. By type: 5 monitoring and reporting, 2 public notice, recordkeeping or other, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Fluoride (3 of them). EPA lists 5 as resolved, 3 as archived and 1 as unaddressed. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Archived |
| 2024-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-12-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Unfilt/GWR) · code 31 | Groundwater Rulecode 0700 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | 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 |
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.
Butler County Pwsd 3: frequently asked questions
Who runs Butler County Pwsd 3?
Butler County Pwsd 3 (PWSID MO4024072) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Butler County Pwsd 3 serve?
Butler County Pwsd 3 reports serving 2,600 people through 1,017 service connections in Butler County, Missouri.
Where does Butler County Pwsd 3 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 Butler County Pwsd 3 have any drinking water violations?
EPA's records list 9 violations for this system; 1 is health-based, and the most recent began in January 2026. 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 Butler County Pwsd 3'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; 1 is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Butler County Pwsd 3's water quality report?
As a community water system, Butler County Pwsd 3 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 Butler County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Poplar Bluff Pws | Butler | 17,043 | Community | Surface water |
| Butler County Pwsd 1 | Butler | 12,000 | Community | Groundwater |
| Butler County Pwsd 2 | Butler | 1,625 | Community | Groundwater |
| Neelyville Pws | Butler | 485 | Community | Purchased groundwater |
| Butler County Pwsd 104 | Butler | 475 | Community | Purchased groundwater |
| Qulin Pws | Butler | 375 | 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, “Butler County Pwsd 3, PWSID MO4024072, Missouri”, https://aquacensus.com/water-systems/missouri/butler-county-pwsd-3-mo4024072 (data as of October 1, 2026).