Public water system · MO1024156
ActiveClinton Co Pwsd 4 Sys 1
At a glance
Clinton Co Pwsd 4 Sys 1 (PWSID MO1024156) is an active community water system in Clinton County, Missouri. It reports serving 4,968 people through 1,996 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,968
Service connections
1,996
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Clinton Co Pwsd 4 Sys 1 compare with other water systems in Clinton County?
By EPA's size categories, Clinton Co Pwsd 4 Sys 1 is a medium system (3,301 to 10,000 people). Clinton County has 7 active public water systems, and Clinton Co Pwsd 4 Sys 1 is the 2nd-largest of them by population served. Its population served is about 36% above the county average of 3,644 people per system, and accounts for 19% of the 25,510 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 Clinton Co Pwsd 4 Sys 1 is about 26% 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 179 Missouri systems (6.1%) list purchased surface water as their primary source.
Who owns and regulates Clinton Co Pwsd 4 Sys 1?
EPA lists Clinton Co Pwsd 4 Sys 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. 7 of the 7 active systems in Clinton County (100%) are also owned by a local government.
Does Clinton Co Pwsd 4 Sys 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 2026. The violations listed here began between November 2008 and February 2026. By type: 5 monitoring and reporting, 3 monitoring, 3 contaminant level above the legal limit and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 9 as resolved, 2 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 |
|---|---|---|---|---|
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2026-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2026-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Archived |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2015-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-12-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | 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.
Clinton Co Pwsd 4 Sys 1: frequently asked questions
Who runs Clinton Co Pwsd 4 Sys 1?
Clinton Co Pwsd 4 Sys 1 (PWSID MO1024156) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Clinton Co Pwsd 4 Sys 1 serve?
Clinton Co Pwsd 4 Sys 1 reports serving 4,968 people through 1,996 service connections in Clinton County, Missouri.
Where does Clinton Co Pwsd 4 Sys 1 get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Clinton Co Pwsd 4 Sys 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in February 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 Clinton Co Pwsd 4 Sys 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, 3 are health-based, and the most recent began in February 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 Clinton Co Pwsd 4 Sys 1's water quality report?
As a community water system, Clinton Co Pwsd 4 Sys 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 Clinton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cameron Pws | Clinton | 11,963 | Community | Surface water |
| Lathrop Pws | Clinton | 2,945 | Community | Purchased surface water |
| Plattsburg Pws | Clinton | 2,354 | Community | Surface water |
| Gower Pws | Clinton | 1,360 | Community | Purchased groundwater |
| Clinton County Pwsd 1 | Clinton | 1,080 | Community | Purchased surface water |
| Clinton County Pwsd 4 Sys 2 | Clinton | 840 | Community | Purchased surface water |
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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, “Clinton Co Pwsd 4 Sys 1, PWSID MO1024156, Missouri”, https://aquacensus.com/water-systems/missouri/clinton-co-pwsd-4-sys-1-mo1024156 (data as of October 1, 2026).