Public water system · IN2430252
ActiveSubway - Warsaw
At a glance
Subway - Warsaw (PWSID IN2430252) is an active transient non-community water system in Kosciusko County, Indiana. It reports serving 34 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
34
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Subway - Warsaw compare with other water systems in Kosciusko County?
By EPA's size categories, Subway - Warsaw is a very small system (500 people or fewer). Kosciusko County has 291 active public water systems. Its population served is well below the county average of 207 people per system, and accounts for less than 0.1% of the 60,342 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 Subway - Warsaw is well below 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 Subway - Warsaw?
EPA lists Subway - Warsaw 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. 268 of the 291 active systems in Kosciusko County (92%) are also privately owned.
Does Subway - Warsaw have drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 2025. The violations listed here began between April 2016 and January 2025. By type: 2 required treatment not met, 2 reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (3 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2025-01-17 | Public notice, recordkeeping or otherFailure to Consult with State · code 20 | Groundwater Rulecode 0700 | No | Resolved |
| 2024-11-25 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2024-11-25 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2017-10-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 5 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.
Subway - Warsaw: frequently asked questions
Who runs Subway - Warsaw?
Subway - Warsaw (PWSID IN2430252) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.
How many people does Subway - Warsaw serve?
Subway - Warsaw reports serving 34 people through 1 service connection in Kosciusko County, Indiana.
Where does Subway - Warsaw 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 Subway - Warsaw have any drinking water violations?
EPA's records list 5 violations for this system; 2 are health-based, and the most recent began in January 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 Subway - Warsaw'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 5 violations for this system; 2 are health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the IN state drinking water program.
Where can I find Subway - Warsaw's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Subway - Warsaw 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 Kosciusko County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Indiana American Water - Warsaw | Kosciusko | 13,835 | Community | Groundwater |
| Syracuse Water Company | Kosciusko | 2,810 | Community | Groundwater |
| Milford Water Department | Kosciusko | 1,556 | Community | Groundwater |
| Silver Lake Water Works | Kosciusko | 1,030 | Community | Groundwater |
| Mentone Water Company | Kosciusko | 1,001 | Community | Groundwater |
| Jellystone Park - Circle (New) | Kosciusko | 960 | 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, “Subway - Warsaw, PWSID IN2430252, Indiana”, https://aquacensus.com/water-systems/indiana/subway-warsaw-in2430252 (data as of October 1, 2026).