Public water system · MO3024437
ActiveOsage Co Pwsd 1
At a glance
Osage Co Pwsd 1 (PWSID MO3024437) is an active community water system in Osage County, Missouri. It reports serving 1,221 people through 413 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, none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,221
Service connections
413
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Osage Co Pwsd 1 compare with other water systems in Osage County?
By EPA's size categories, Osage Co Pwsd 1 is a small system (501 to 3,300 people). Osage County has 13 active public water systems, and Osage Co Pwsd 1 is the 3rd-largest of them by population served. Its population served is about twice the county average of 633 people per system, and accounts for 15% 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 Co Pwsd 1 is well 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 Co Pwsd 1?
EPA lists Osage Co Pwsd 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. 9 of the 13 active systems in Osage County (69%) are also owned by a local government.
Does Osage Co Pwsd 1 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between April 2025 and November 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Fluoride, Mercury and Arsenic. 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 |
|---|---|---|---|---|
| 2025-11-09 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | 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 Co Pwsd 1: frequently asked questions
Who runs Osage Co Pwsd 1?
Osage Co Pwsd 1 (PWSID MO3024437) 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 Co Pwsd 1 serve?
Osage Co Pwsd 1 reports serving 1,221 people through 413 service connections in Osage County, Missouri.
Where does Osage Co Pwsd 1 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 Co Pwsd 1 have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 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 Osage Co Pwsd 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, none is health-based, and the most recent began in November 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 Osage Co Pwsd 1's water quality report?
As a community water system, Osage Co Pwsd 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 Osage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Osage County Pwsd 3 | Osage | 2,800 | Community | Groundwater |
| Linn Pws | Osage | 1,500 | 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 Co Pwsd 1, PWSID MO3024437, Missouri”, https://aquacensus.com/water-systems/missouri/osage-co-pwsd-1-mo3024437 (data as of October 1, 2026).