Public water system · MO3024439
ActiveOsage County Pwsd 3
At a glance
Osage County Pwsd 3 (PWSID MO3024439) is an active community water system in Osage County, Missouri. It reports serving 2,800 people through 506 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, 5 are health-based, and the most recent began in December 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,800
Service connections
506
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Osage County Pwsd 3 compare with other water systems in Osage County?
By EPA's size categories, Osage County Pwsd 3 is a small system (501 to 3,300 people). Osage County has 13 active public water systems, and Osage County Pwsd 3 is the largest of them by population served. Its population served is about 4.4 times the county average of 633 people per system, and accounts for 34% of the 8,225 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 Osage County Pwsd 3 is about 58% 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 Osage County Pwsd 3?
EPA lists Osage 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. 9 of the 13 active systems in Osage County (69%) are also owned by a local government.
Does Osage County Pwsd 3 have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in December 2023. The violations listed here began between October 2007 and December 2023. By type: 5 monitoring and reporting, 5 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 11 as resolved 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. 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 |
|---|---|---|---|---|
| 2023-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2023-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2008-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-10-01 | 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.
Osage County Pwsd 3: frequently asked questions
Who runs Osage County Pwsd 3?
Osage County Pwsd 3 (PWSID MO3024439) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Osage County Pwsd 3 serve?
Osage County Pwsd 3 reports serving 2,800 people through 506 service connections in Osage County, Missouri.
Where does Osage County Pwsd 3 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 Osage County Pwsd 3 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in December 2023. 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 Osage 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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in December 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Osage County Pwsd 3's water quality report?
As a community water system, Osage 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 Osage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Linn Pws | Osage | 1,500 | Community | Groundwater |
| Osage Co Pwsd 1 | Osage | 1,221 | Community | Groundwater |
| Osage County Pwsd 2 North | Osage | 705 | Community | Groundwater |
| Osage County Pwsd 2 South | Osage | 468 | Community | Groundwater |
| Freeburg Pws | Osage | 450 | Community | Groundwater |
| Chamois Pws | Osage | 396 | 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, “Osage County Pwsd 3, PWSID MO3024439, Missouri”, https://aquacensus.com/water-systems/missouri/osage-county-pwsd-3-mo3024439 (data as of October 1, 2026).