Public water system · MO6024406
ActiveMontgomery Co Pwsd 1
At a glance
Montgomery Co Pwsd 1 (PWSID MO6024406) is an active community water system serving Montgomery and Warren counties, Missouri. It reports serving 3,850 people through 1,402 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,850
Service connections
1,402
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Montgomery Co Pwsd 1 compare with other water systems in Missouri?
By EPA's size categories, Montgomery Co Pwsd 1 is a medium system (3,301 to 10,000 people). 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 Montgomery Co Pwsd 1 is about 43% 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 Montgomery Co Pwsd 1?
EPA lists Montgomery Co Pwsd 1 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.
Does Montgomery Co Pwsd 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2024. The violations listed here began between April 2008 and October 2024. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other, 2 monitoring, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 10 as resolved and 2 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. 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 |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-09 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-08-17 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2023-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2017-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | 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.
Montgomery Co Pwsd 1: frequently asked questions
Who runs Montgomery Co Pwsd 1?
Montgomery Co Pwsd 1 (PWSID MO6024406) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Montgomery Co Pwsd 1 serve?
Montgomery Co Pwsd 1 reports serving 3,850 people through 1,402 service connections in Montgomery and Warren counties, Missouri.
Where does Montgomery Co Pwsd 1 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 Montgomery Co Pwsd 1 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 October 2024. 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 Montgomery Co Pwsd 1'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 October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Montgomery Co Pwsd 1's water quality report?
As a community water system, Montgomery Co Pwsd 1 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 Montgomery County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Montgomery City Pws | Montgomery | 2,811 | Community | Groundwater |
| Wellsville Pws | Montgomery | 1,210 | Community | Purchased surface water |
| New Florence Pws | Montgomery | 769 | Community | Groundwater |
| Jonesburg Pws | Montgomery | 768 | Community | Groundwater |
| Bellflower Pws | Montgomery | 350 | Community | Groundwater |
| Heritage Oaks Subdivision | Montgomery | 330 | 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, “Montgomery Co Pwsd 1, PWSID MO6024406, Missouri”, https://aquacensus.com/water-systems/missouri/montgomery-co-pwsd-1-mo6024406 (data as of October 1, 2026).