Public water system · IL3125047
ActiveRock Cut St Pk-Beach Well
At a glance
Rock Cut St Pk-Beach Well (PWSID IL3125047) is an active transient non-community water system in Winnebago County, Illinois. It reports serving 500 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
500
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Rock Cut St Pk-Beach Well compare with other water systems in Winnebago County?
By EPA's size categories, Rock Cut St Pk-Beach Well is a very small system (500 people or fewer). Winnebago County has 137 active public water systems. Its population served is well below the county average of 1,841 people per system, and accounts for 0.2% of the 252,201 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 Rock Cut St Pk-Beach Well 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 Rock Cut St Pk-Beach Well?
EPA lists Rock Cut St Pk-Beach Well as owned by a state government. 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. 9 of the 137 active systems in Winnebago County (6.6%) are also owned by a state government.
Does Rock Cut St Pk-Beach Well have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 2021. The violations listed here began between January 2017 and July 2021. By type: 3 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Nitrate (3 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2021-07-01 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 4 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.
Rock Cut St Pk-Beach Well: frequently asked questions
Who runs Rock Cut St Pk-Beach Well?
Rock Cut St Pk-Beach Well (PWSID IL3125047) is a transient non-community water system owned by a state government. It is regulated by the IL state drinking water program.
How many people does Rock Cut St Pk-Beach Well serve?
Rock Cut St Pk-Beach Well reports serving 500 people through 1 service connection in Winnebago County, Illinois.
Where does Rock Cut St Pk-Beach Well 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 Rock Cut St Pk-Beach Well have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 2021. 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 Rock Cut St Pk-Beach Well'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 4 violations for this system; 1 is health-based, and the most recent began in July 2021. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Rock Cut St Pk-Beach Well's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rock Cut St Pk-Beach Well 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 Winnebago County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rockford | Winnebago | 147,051 | Community | Groundwater |
| North Park PWD | Winnebago | 35,580 | Community | Groundwater |
| Loves Park | Winnebago | 23,335 | Community | Groundwater |
| Il American-South Beloit | Winnebago | 7,893 | Community | Purchased groundwater |
| Rockton | Winnebago | 7,685 | Community | Groundwater |
| Cherry Valley | Winnebago | 4,731 | 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, “Rock Cut St Pk-Beach Well, PWSID IL3125047, Illinois”, https://aquacensus.com/water-systems/illinois/rock-cut-st-pk-beach-well-il3125047 (data as of October 1, 2026).