Public water system · IN2710063
Active933 One Stop
At a glance
933 One Stop (PWSID IN2710063) is an active transient non-community water system in St. Joseph County, Indiana. It reports serving 154 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 10 violations for this system; none is health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
154
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does 933 One Stop compare with other water systems in St. Joseph County?
By EPA's size categories, 933 One Stop is a very small system (500 people or fewer). St. Joseph County has 221 active public water systems. Its population served is well below the county average of 989 people per system, and accounts for less than 0.1% of the 218,558 people reported by systems filed under the county. Across Indiana, the 3,969 active systems average 1,456 people each. Nationally, the average active transient non-community water system reports serving 144 people, so 933 One Stop 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. Indiana has 2,596 active transient non-community water systems, 65% of the state's 3,969 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,769 Indiana systems (95%) list groundwater as their primary source.
Who owns and regulates 933 One Stop?
EPA lists 933 One Stop as privately owned. The IN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 199 of the 221 active systems in St. Joseph County (90%) are also privately owned.
Does 933 One Stop have drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in April 2024. The violations listed here began between June 2007 and April 2024. By type: 7 monitoring and reporting and 3 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2024-04-16 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2019-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2007-06-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 10 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.
933 One Stop: frequently asked questions
Who runs 933 One Stop?
933 One Stop (PWSID IN2710063) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.
How many people does 933 One Stop serve?
933 One Stop reports serving 154 people through 1 service connection in St. Joseph County, Indiana.
Where does 933 One Stop 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 933 One Stop have any drinking water violations?
EPA's records list 10 violations for this system; none is health-based, and the most recent began in April 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 933 One Stop'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 10 violations for this system; none is health-based, and the most recent began in April 2024. For current results, consult EPA ECHO, or the IN state drinking water program.
Where can I find 933 One Stop's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. 933 One Stop 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 St. Joseph County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| South Bend Water Works | St. Joseph | 115,000 | Community | Groundwater |
| Mishawaka Utilities | St. Joseph | 49,675 | Community | Groundwater |
| University of Notre Dame | St. Joseph | 7,400 | Community | Groundwater |
| Walkerton Light & Water | St. Joseph | 2,262 | Community | Groundwater |
| Sisters of Holy Cross-St. Marys College | St. Joseph | 2,111 | Community | Groundwater |
| North Liberty Water Works | St. Joseph | 1,896 | 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, “933 One Stop, PWSID IN2710063, Indiana”, https://aquacensus.com/water-systems/indiana/933-one-stop-in2710063 (data as of October 1, 2026).