Public water system · MO4024433
ActiveOregon County Pwsd 2
At a glance
Oregon County Pwsd 2 (PWSID MO4024433) is an active community water system in Oregon County, Missouri. It reports serving 120 people through 42 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, 2 are health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
42
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Oregon County Pwsd 2 compare with other water systems in Oregon County?
By EPA's size categories, Oregon County Pwsd 2 is a very small system (500 people or fewer). Oregon County has 7 active public water systems, and Oregon County Pwsd 2 is the 6th-largest of them by population served. Its population served is well below the county average of 678 people per system, and accounts for 2.5% of the 4,746 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 Oregon County Pwsd 2 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 Oregon County Pwsd 2?
EPA lists Oregon County Pwsd 2 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. 6 of the 7 active systems in Oregon County (86%) are also owned by a local government.
Does Oregon County Pwsd 2 have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2025. The violations listed here began between July 2002 and December 2025. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other, 1 required treatment not met, 1 reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 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 |
|---|---|---|---|---|
| 2025-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-01-01 | Required treatment not metTreatment Technique No Certif. Operator · code 12 | Stage 1 Disinfectants and Disinfection Byproducts Rulecode 0400 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2021-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2008-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | 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.
Oregon County Pwsd 2: frequently asked questions
Who runs Oregon County Pwsd 2?
Oregon County Pwsd 2 (PWSID MO4024433) is a community water system owned by a local government. It is regulated by the MO state drinking water program.
How many people does Oregon County Pwsd 2 serve?
Oregon County Pwsd 2 reports serving 120 people through 42 service connections in Oregon County, Missouri.
Where does Oregon County Pwsd 2 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 Oregon County Pwsd 2 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 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 Oregon County Pwsd 2'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, 2 are health-based, and the most recent began in December 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 Oregon County Pwsd 2's water quality report?
As a community water system, Oregon County Pwsd 2 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 Oregon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Thayer Pws | Oregon | 2,200 | Community | Groundwater |
| Alton Pws | Oregon | 1,000 | Community | Groundwater |
| Oregon County Pwsd 1 | Oregon | 900 | Community | Groundwater |
| Couch R 1 School | Oregon | 264 | Non-transient non-community | Groundwater |
| Koshkonong Pws | Oregon | 212 | Community | Groundwater |
| Usfs Greer Crossing | Oregon | 50 | Transient non-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, “Oregon County Pwsd 2, PWSID MO4024433, Missouri”, https://aquacensus.com/water-systems/missouri/oregon-county-pwsd-2-mo4024433 (data as of October 1, 2026).