Public water system · MO1024155
ActiveClinton County Pwsd 3
At a glance
Clinton County Pwsd 3 (PWSID MO1024155) is an active community water system serving Daviess, Caldwell, Clinton and DeKalb counties, Missouri. It reports serving 3,722 people through 1,429 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,722
Service connections
1,429
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Clinton County Pwsd 3 compare with other water systems in Missouri?
By EPA's size categories, Clinton County Pwsd 3 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 Clinton County Pwsd 3 is about 44% 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 County Pwsd 3?
EPA lists Clinton 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.
Does Clinton County Pwsd 3 have drinking water violations?
EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in July 2025. The violations listed here began between May 1992 and July 2025. By type: 5 contaminant level above the legal limit, 4 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 5 as archived, 4 as resolved and 1 as unaddressed. 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. 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2016-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2016-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2015-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 1996-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
| 1992-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 10 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 County Pwsd 3: frequently asked questions
Who runs Clinton County Pwsd 3?
Clinton County Pwsd 3 (PWSID MO1024155) 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 County Pwsd 3 serve?
Clinton County Pwsd 3 reports serving 3,722 people through 1,429 service connections in Daviess, Caldwell, Clinton and DeKalb counties, Missouri.
Where does Clinton County Pwsd 3 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 County Pwsd 3 have any drinking water violations?
EPA's records list 10 violations for this system; 5 are health-based, and the most recent began in July 2025. 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 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 10 violations for this system; 5 are health-based, and the most recent began in July 2025. 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 County Pwsd 3's water quality report?
As a community water system, Clinton 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 Daviess County(the first county EPA lists for this system)
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Daviess County Pwsd 2 | Daviess | 2,448 | Community | Purchased groundwater |
| Daviess County Pwsd 1 | Daviess | 2,165 | Community | Purchased groundwater |
| Gallatin Pws | Daviess | 1,821 | Community | Groundwater |
| Livingston County Pwsd 4 | Daviess + 1 more | 1,507 | Community | Groundwater |
| Jamesport Pws | Daviess | 567 | Community | Purchased groundwater |
| Daviess County Pwsd 3 | Daviess | 400 | Community | Surface water |
Related pages
- All water systems in Daviess County· 11 active
- All water systems in Caldwell County· 8 active
- All water systems in Clinton County· 7 active
- All water systems in DeKalb County· 6 active
- All Missouri public water systems· 2,943 active
- How to find out who supplies your drinking water
- How to find and read your annual water quality report
- What a drinking water violation notice means
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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 County Pwsd 3, PWSID MO1024155, Missouri”, https://aquacensus.com/water-systems/missouri/clinton-county-pwsd-3-mo1024155 (data as of October 1, 2026).