Public water system · MO4112213
ActiveUsace Wappapello Res Old Greenville
At a glance
Usace Wappapello Res Old Greenville (PWSID MO4112213) is an active transient non-community water system in Wayne County, Missouri. It reports serving 150 people through 26 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in May 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
150
Service connections
26
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Usace Wappapello Res Old Greenville compare with other water systems in Wayne County?
By EPA's size categories, Usace Wappapello Res Old Greenville is a very small system (500 people or fewer). Wayne County has 31 active public water systems. Its population served is about half of the county average of 293 people per system, and accounts for 1.6% of the 9,096 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Usace Wappapello Res Old Greenville is roughly in line with that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Missouri has 1,103 active transient non-community water systems, 37% 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 Usace Wappapello Res Old Greenville?
EPA lists Usace Wappapello Res Old Greenville as owned by the federal 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. 7 of the 31 active systems in Wayne County (23%) are also owned by the federal government.
Does Usace Wappapello Res Old Greenville have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in May 2022. The violations listed here began between August 1991 and May 2022. By type: 1 public notice, recordkeeping or other, 1 monitoring, 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 as resolved and 2 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-05-04 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 1992-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1991-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 4 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.
Usace Wappapello Res Old Greenville: frequently asked questions
Who runs Usace Wappapello Res Old Greenville?
Usace Wappapello Res Old Greenville (PWSID MO4112213) is a transient non-community water system owned by the federal government. It is regulated by the MO state drinking water program.
How many people does Usace Wappapello Res Old Greenville serve?
Usace Wappapello Res Old Greenville reports serving 150 people through 26 service connections in Wayne County, Missouri.
Where does Usace Wappapello Res Old Greenville 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 Usace Wappapello Res Old Greenville have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in May 2022. 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 Usace Wappapello Res Old Greenville'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 4 violations for this system; 1 is health-based, and the most recent began in May 2022. For current results, consult EPA ECHO, or the MO state drinking water program.
Where can I find Usace Wappapello Res Old Greenville's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Usace Wappapello Res Old Greenville is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Wayne County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Piedmont Pws | Wayne | 1,987 | Community | Surface water |
| Wayne & Butler County Pwsd 4 | Wayne | 1,400 | Community | Groundwater |
| Wayne County Pwsd 2 | Wayne | 950 | Community | Groundwater |
| Otahki Lake Cabins and Campground | Wayne | 500 | Transient non-community | Groundwater |
| Greenville Pws | Wayne | 497 | Community | Groundwater |
| Usace Camp Semo Wappapello | Wayne | 400 | 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, “Usace Wappapello Res Old Greenville, PWSID MO4112213, Missouri”, https://aquacensus.com/water-systems/missouri/usace-wappapello-res-old-greenville-mo4112213 (data as of October 1, 2026).