Public water system · MO1010453
ActiveLathrop Pws
At a glance
Lathrop Pws (PWSID MO1010453) is an active community water system in Clinton County, Missouri. It reports serving 2,945 people through 1,104 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,945
Service connections
1,104
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Lathrop Pws compare with other water systems in Clinton County?
By EPA's size categories, Lathrop Pws is a small system (501 to 3,300 people). Clinton County has 7 active public water systems, and Lathrop Pws is the 3rd-largest of them by population served. Its population served is about 19% below the county average of 3,644 people per system, and accounts for 12% 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 Lathrop Pws is about 56% 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 Lathrop Pws?
EPA lists Lathrop 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. 7 of the 7 active systems in Clinton County (100%) are also owned by a local government.
Does Lathrop Pws have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between April 1992 and July 2025. By type: 3 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 as archived 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. 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 |
| 2000-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1995-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
Lathrop Pws: frequently asked questions
Who runs Lathrop Pws?
Lathrop Pws (PWSID MO1010453) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Lathrop Pws serve?
Lathrop Pws reports serving 2,945 people through 1,104 service connections in Clinton County, Missouri.
Where does Lathrop Pws 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 Lathrop Pws have any drinking water violations?
EPA's records list 4 violations for this system; none is 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 Lathrop 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 4 violations for this system; none is 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 Lathrop Pws' water quality report?
As a community water system, Lathrop 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 Clinton County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cameron Pws | Clinton | 11,963 | Community | Surface water |
| Clinton Co Pwsd 4 Sys 1 | Clinton | 4,968 | 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, “Lathrop Pws, PWSID MO1010453, Missouri”, https://aquacensus.com/water-systems/missouri/lathrop-pws-mo1010453 (data as of October 1, 2026).