Public water system · IL3007609
ActiveRobert Allerton Park
At a glance
Robert Allerton Park (PWSID IL3007609) is an active transient non-community water system in Piatt County, Illinois. It reports serving 500 people through 5 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
5
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Robert Allerton Park compare with other water systems in Piatt County?
By EPA's size categories, Robert Allerton Park is a very small system (500 people or fewer). Piatt County has 14 active public water systems, and Robert Allerton Park is the 6th-largest of them by population served. Its population served is about half of the county average of 910 people per system, and accounts for 3.9% of the 12,740 people reported by systems filed under the county. Across Illinois, the 3,872 active systems average 3,204 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Robert Allerton Park is about 3.5 times 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. Illinois has 1,703 active transient non-community water systems, 44% of the state's 3,872 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,808 Illinois systems (73%) list groundwater as their primary source.
Who owns and regulates Robert Allerton Park?
EPA lists Robert Allerton Park as under public/private ownership. The IL state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 2 of the 14 active systems in Piatt County (14%) are also under public/private ownership.
Does Robert Allerton Park have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2022. The violations listed here began between January 2007 and January 2022. By type: 1 monitoring and reporting, 1 monitoring and 1 contaminant level above the legal limit. The contaminants or rules involved are Nitrate, Revised Total Coliform Rule and Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2007-01-01 | 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.
Robert Allerton Park: frequently asked questions
Who runs Robert Allerton Park?
Robert Allerton Park (PWSID IL3007609) is a transient non-community water system under public/private ownership. It is regulated by the IL state drinking water program.
How many people does Robert Allerton Park serve?
Robert Allerton Park reports serving 500 people through 5 service connections in Piatt County, Illinois.
Where does Robert Allerton Park 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 Robert Allerton Park have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in January 2022. 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 Robert Allerton Park'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; 1 is health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Robert Allerton Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Robert Allerton Park 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 Piatt County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Monticello | Piatt | 5,548 | Community | Groundwater |
| Bement | Piatt | 1,661 | Community | Groundwater |
| Cerro Gordo | Piatt | 1,433 | Community | Groundwater |
| Mansfield | Piatt | 939 | Community | Groundwater |
| White Heath Waterworks | Piatt | 685 | Community | Groundwater |
| Hammond | Piatt | 478 | 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, “Robert Allerton Park, PWSID IL3007609, Illinois”, https://aquacensus.com/water-systems/illinois/robert-allerton-park-il3007609 (data as of October 1, 2026).