Public water system · MO1031542
ActiveOakwood Water Assn
At a glance
Oakwood Water Assn (PWSID MO1031542) is an active community water system in Henry County, Missouri. It reports serving 28 people through 16 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 11 violations for this system; 5 are health-based, and the most recent began in January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28
Service connections
16
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Oakwood Water Assn compare with other water systems in Henry County?
By EPA's size categories, Oakwood Water Assn is a very small system (500 people or fewer). Henry County has 13 active public water systems. Its population served is well below the county average of 1,797 people per system, and accounts for 0.1% of the 23,361 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 Oakwood Water Assn 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 Oakwood Water Assn?
EPA lists Oakwood Water Assn as privately owned. 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. 3 of the 13 active systems in Henry County (23%) are also privately owned.
Does Oakwood Water Assn have drinking water violations?
EPA's records list 11 violations for this system; 5 are health-based, and the most recent began in January 2016. The violations listed here began between April 2010 and January 2016. By type: 5 monitoring and reporting, 5 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2016-01-14 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-12-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-08-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2010-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-10-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2010-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 11 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.
Oakwood Water Assn: frequently asked questions
Who runs Oakwood Water Assn?
Oakwood Water Assn (PWSID MO1031542) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Oakwood Water Assn serve?
Oakwood Water Assn reports serving 28 people through 16 service connections in Henry County, Missouri.
Where does Oakwood Water Assn 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 Oakwood Water Assn have any drinking water violations?
EPA's records list 11 violations for this system; 5 are health-based, and the most recent began in January 2016. 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 Oakwood Water Assn'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 11 violations for this system; 5 are health-based, and the most recent began in January 2016. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Oakwood Water Assn's water quality report?
As a community water system, Oakwood Water Assn 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 Henry County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Henry County Water Company | Henry | 11,373 | Community | Surface water |
| Henry County Pwsd 3 | Henry | 2,993 | Community | Purchased surface water |
| Windsor Pws | Henry | 2,900 | Community | Groundwater |
| Harry S Truman Pwsd 2 | Henry + 1 more | 2,700 | Community | Surface water |
| Henry County Pwsd 4 | Henry | 1,140 | Community | Purchased surface water |
| Urich Pws | Henry | 505 | Community | Purchased surface water |
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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, “Oakwood Water Assn, PWSID MO1031542, Missouri”, https://aquacensus.com/water-systems/missouri/oakwood-water-assn-mo1031542 (data as of October 1, 2026).