Public water system · OH4931112
ActiveTolles Technical Center
At a glance
Tolles Technical Center (PWSID OH4931112) is an active non-transient non-community water system in Madison County, Ohio. It reports serving 723 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in July 2000.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
723
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Tolles Technical Center compare with other water systems in Madison County?
By EPA's size categories, Tolles Technical Center is a small system (501 to 3,300 people). Madison County has 53 active public water systems. Its population served is roughly in line with the county average of 798 people per system, and accounts for 1.7% of the 42,314 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Tolles Technical Center is about 68% above 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. Ohio has 544 active non-transient non-community water systems, 14% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.
Who owns and regulates Tolles Technical Center?
EPA lists Tolles Technical Center as privately owned. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 46 of the 53 active systems in Madison County (87%) are also privately owned.
Does Tolles Technical Center have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in July 2000. The violations listed here began between January 1995 and July 2000. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2000-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1995-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1995-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 3 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.
Tolles Technical Center: frequently asked questions
Who runs Tolles Technical Center?
Tolles Technical Center (PWSID OH4931112) is a non-transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Tolles Technical Center serve?
Tolles Technical Center reports serving 723 people through 1 service connection in Madison County, Ohio.
Where does Tolles Technical Center 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 Tolles Technical Center have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in July 2000. 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 Tolles Technical Center'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 3 violations for this system; 2 are health-based, and the most recent began in July 2000. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Tolles Technical Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Tolles Technical Center 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 Madison County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mid-Ohio Wsd - Chrisman Avenue WTP | Madison | 10,256 | Community | Groundwater |
| Mid-Ohio Wsd - Old Springfield Road WTP | Madison | 5,176 | Community | Groundwater |
| West Jefferson Village Pws | Madison | 4,488 | Community | Groundwater |
| Mid-Ohio Wsd - Jackson Street WTP | Madison | 4,467 | Community | Groundwater |
| Travel Centers of America | Madison | 2,490 | Non-transient non-community | Groundwater |
| Choctaw Utilities, Inc.. | Madison | 2,200 | 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, “Tolles Technical Center, PWSID OH4931112, Ohio”, https://aquacensus.com/water-systems/ohio/tolles-technical-center-oh4931112 (data as of October 1, 2026).