Public water system · MO4100019
ActiveUsfs Markham Spring
At a glance
Usfs Markham Spring (PWSID MO4100019) is an active transient non-community water system in Wayne County, Missouri. It reports serving 164 people through 13 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in May 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
164
Service connections
13
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Usfs Markham Spring compare with other water systems in Wayne County?
By EPA's size categories, Usfs Markham Spring is a very small system (500 people or fewer). Wayne County has 31 active public water systems. Its population served is about 44% below the county average of 293 people per system, and accounts for 1.8% 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 Usfs Markham Spring is about 14% above 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 Usfs Markham Spring?
EPA lists Usfs Markham Spring 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 Usfs Markham Spring have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in May 2024. The violations listed here began between August 2003 and May 2024. By type: 5 monitoring and reporting, 3 contaminant level above the legal limit, 2 monitoring and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2024-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-09-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-08-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2014-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-07-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-07-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2009-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Usfs Markham Spring: frequently asked questions
Who runs Usfs Markham Spring?
Usfs Markham Spring (PWSID MO4100019) 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 Usfs Markham Spring serve?
Usfs Markham Spring reports serving 164 people through 13 service connections in Wayne County, Missouri.
Where does Usfs Markham Spring 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 Usfs Markham Spring have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in May 2024. 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 Usfs Markham Spring'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, 3 are health-based, and the most recent began in May 2024. For current results, consult EPA ECHO, or the MO state drinking water program.
Where can I find Usfs Markham Spring's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Usfs Markham Spring 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, “Usfs Markham Spring, PWSID MO4100019, Missouri”, https://aquacensus.com/water-systems/missouri/usfs-markham-spring-mo4100019 (data as of October 1, 2026).