Public water system · MO3183468
ActiveS&T Mine
At a glance
S&T Mine (PWSID MO3183468) is an active non-transient non-community water system in Phelps County, Missouri. It reports serving 30 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does S&T Mine compare with other water systems in Phelps County?
By EPA's size categories, S&T Mine is a very small system (500 people or fewer). Phelps County has 32 active public water systems. Its population served is well below the county average of 951 people per system, and accounts for less than 0.1% of the 30,428 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so S&T Mine is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Missouri has 228 active non-transient non-community water systems, 7.7% 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 S&T Mine?
EPA lists S&T Mine as owned by a state 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. 1 of the 32 active systems in Phelps County (3.1%) are also owned by a state government.
Does S&T Mine have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2025. By type: 1 reporting. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2025-12-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.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.
S&T Mine: frequently asked questions
Who runs S&T Mine?
S&T Mine (PWSID MO3183468) is a non-transient non-community water system owned by a state government. It is regulated by the MO state drinking water program.
How many people does S&T Mine serve?
S&T Mine reports serving 30 people through 2 service connections in Phelps County, Missouri.
Where does S&T Mine 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 S&T Mine have any drinking water violations?
EPA's records list one violation for this system; it is not 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 S&T Mine'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 one violation for this system; it is not health-based, and the most recent began in December 2025. For current results, consult EPA ECHO, or the MO state drinking water program.
Where can I find S&T Mine's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. S&T Mine is a non-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 Phelps County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rolla Pws | Phelps | 20,800 | Community | Groundwater |
| St James Pws | Phelps | 3,935 | Community | Groundwater |
| Phelps County Pwsd 2 South | Phelps | 1,768 | Community | Groundwater |
| Phelps County Pwsd 1 | Phelps | 800 | Community | Groundwater |
| Phelps County Pwsd 2 North | Phelps | 523 | Community | Groundwater |
| Newburg Pws | Phelps | 324 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “S&T Mine, PWSID MO3183468, Missouri”, https://aquacensus.com/water-systems/missouri/s-t-mine-mo3183468 (data as of October 1, 2026).