Public water system · MO1024150
ActiveClay County Pwsd 9
At a glance
Clay County Pwsd 9 (PWSID MO1024150) is an active community water system in Clay County, Missouri. It reports serving 2,465 people through 923 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 2 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
2,465
Service connections
923
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Clay County Pwsd 9 compare with other water systems in Clay County?
By EPA's size categories, Clay County Pwsd 9 is a small system (501 to 3,300 people). Clay County has 20 active public water systems. Its population served is about 61% below the county average of 6,258 people per system, and accounts for 2% of the 125,166 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 Clay County Pwsd 9 is about 63% 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 Clay County Pwsd 9?
EPA lists Clay County Pwsd 9 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. 19 of the 20 active systems in Clay County (95%) are also owned by a local government.
Does Clay County Pwsd 9 have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between January 2005 and July 2025. By type: 1 reporting and 1 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule Revisions and Total coliform bacteria (TCR). EPA lists 1 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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.
| 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 |
| 2005-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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.
Clay County Pwsd 9: frequently asked questions
Who runs Clay County Pwsd 9?
Clay County Pwsd 9 (PWSID MO1024150) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Clay County Pwsd 9 serve?
Clay County Pwsd 9 reports serving 2,465 people through 923 service connections in Clay County, Missouri.
Where does Clay County Pwsd 9 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 Clay County Pwsd 9 have any drinking water violations?
EPA's records list 2 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 Clay County Pwsd 9'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 2 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 Clay County Pwsd 9's water quality report?
As a community water system, Clay County Pwsd 9 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 Clay County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Liberty Pws | Clay | 30,800 | Community | Groundwater |
| Gladstone Pws | Clay | 27,000 | Community | Groundwater |
| Kearney Pws | Clay | 11,500 | Community | Purchased surface water |
| Excelsior Springs Pws | Clay | 11,084 | Community | Groundwater |
| Smithville Pws | Clay | 10,885 | Community | Surface water |
| Ray County Cons Pwsd 2 | Clay + 2 more | 9,360 | 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, “Clay County Pwsd 9, PWSID MO1024150, Missouri”, https://aquacensus.com/water-systems/missouri/clay-county-pwsd-9-mo1024150 (data as of October 1, 2026).