Public water system · IN2020062
ActiveKeystone Concrete
At a glance
Keystone Concrete (PWSID IN2020062) is an active transient non-community water system in Allen County, Indiana. It reports serving 29 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
29
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Keystone Concrete compare with other water systems in Allen County?
By EPA's size categories, Keystone Concrete is a very small system (500 people or fewer). Allen County has 87 active public water systems. Its population served is well below the county average of 3,719 people per system, and accounts for less than 0.1% of the 323,592 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 Keystone Concrete 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 Keystone Concrete?
EPA lists Keystone Concrete 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. 74 of the 87 active systems in Allen County (85%) are also privately owned.
Does Keystone Concrete have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2025. By type: 1 monitoring and reporting. The contaminant or rule involved is E. coli. 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 |
|---|---|---|---|---|
| 2025-07-07 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | 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.
Keystone Concrete: frequently asked questions
Who runs Keystone Concrete?
Keystone Concrete (PWSID IN2020062) is a transient non-community water system privately owned. It is regulated by the IN state drinking water program.
How many people does Keystone Concrete serve?
Keystone Concrete reports serving 29 people through 2 service connections in Allen County, Indiana.
Where does Keystone Concrete 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 Keystone Concrete 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 July 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 Keystone Concrete'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 July 2025. For current results, consult EPA ECHO, or the IN state drinking water program.
Where can I find Keystone Concrete's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Keystone Concrete 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 Allen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fort Wayne - 3 Rivers Filtration Plant | Allen | 269,994 | Community | Surface water |
| New Haven Water Department | Allen | 15,700 | Community | Purchased surface water |
| Huntertown Water Works | Allen | 14,058 | Community | Groundwater |
| Pioneer Water L.L.C. | Allen | 2,076 | Community | Groundwater |
| Bf Goodrich Tire Manufacturing | Allen | 1,750 | Non-transient non-community | Groundwater |
| Maysville Region. Water & Sewer District | Allen | 1,634 | Community | Purchased surface water |
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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, “Keystone Concrete, PWSID IN2020062, Indiana”, https://aquacensus.com/water-systems/indiana/keystone-concrete-in2020062 (data as of October 1, 2026).