Public water system · MO3010470
ActiveLinn Pws
At a glance
Linn Pws (PWSID MO3010470) is an active community water system in Osage County, Missouri. It reports serving 1,500 people through 633 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in June 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,500
Service connections
633
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Linn Pws compare with other water systems in Osage County?
By EPA's size categories, Linn Pws is a small system (501 to 3,300 people). Osage County has 13 active public water systems, and Linn Pws is the 2nd-largest of them by population served. Its population served is about 137% above the county average of 633 people per system, and accounts for 18% 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 Linn Pws 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 Linn Pws?
EPA lists Linn 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. 9 of the 13 active systems in Osage County (69%) are also owned by a local government.
Does Linn Pws have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in June 2025. The violations listed here began between October 2013 and June 2025. By type: 5 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (5 of them). EPA lists 6 as resolved. 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 |
|---|---|---|---|---|
| 2025-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 6 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.
Linn Pws: frequently asked questions
Who runs Linn Pws?
Linn Pws (PWSID MO3010470) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Linn Pws serve?
Linn Pws reports serving 1,500 people through 633 service connections in Osage County, Missouri.
Where does Linn Pws 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 Linn Pws have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in June 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 Linn 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 6 violations for this system; none is health-based, and the most recent began in June 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 Linn Pws' water quality report?
As a community water system, Linn 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 Osage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Osage County Pwsd 3 | Osage | 2,800 | 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, “Linn Pws, PWSID MO3010470, Missouri”, https://aquacensus.com/water-systems/missouri/linn-pws-mo3010470 (data as of October 1, 2026).