Public water system · IL3117119
ActiveLake Carroll Marina
At a glance
Lake Carroll Marina (PWSID IL3117119) is an active transient non-community water system in Carroll County, Illinois. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as under public/private ownership. EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lake Carroll Marina compare with other water systems in Carroll County?
By EPA's size categories, Lake Carroll Marina is a very small system (500 people or fewer). Carroll County has 35 active public water systems. Its population served is well below the county average of 384 people per system, and accounts for 0.2% of the 13,444 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 Lake Carroll Marina 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. 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 Lake Carroll Marina?
EPA lists Lake Carroll Marina 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 35 active systems in Carroll County (5.7%) are also under public/private ownership.
Does Lake Carroll Marina have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between January 2008 and January 2025. By type: 8 monitoring and reporting. The contaminant or rule involved most often is Nitrate (6 of them). EPA lists 7 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | 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 |
| 2015-08-07 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-08-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 8 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.
Lake Carroll Marina: frequently asked questions
Who runs Lake Carroll Marina?
Lake Carroll Marina (PWSID IL3117119) 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 Lake Carroll Marina serve?
Lake Carroll Marina reports serving 25 people through 1 service connection in Carroll County, Illinois.
Where does Lake Carroll Marina 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 Lake Carroll Marina have any drinking water violations?
EPA's records list 8 violations for this system; none is 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 Lake Carroll Marina'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 8 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Lake Carroll Marina's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Carroll Marina 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 Carroll County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Savanna | Carroll | 3,020 | Community | Groundwater |
| Thomson Maximum Security Center | Carroll | 2,166 | Community | Purchased groundwater |
| Lanark | Carroll | 1,504 | Community | Groundwater |
| Mount Carroll | Carroll | 1,479 | Community | Groundwater |
| Milledgeville | Carroll | 989 | Community | Groundwater |
| Shannon | Carroll | 801 | 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, “Lake Carroll Marina, PWSID IL3117119, Illinois”, https://aquacensus.com/water-systems/illinois/lake-carroll-marina-il3117119 (data as of October 1, 2026).