Public water system · IL3109934
ActiveJake Wolf Fish Hatchery
At a glance
Jake Wolf Fish Hatchery (PWSID IL3109934) is an active transient non-community water system in Mason County, Illinois. It reports serving 25 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 3 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 Jake Wolf Fish Hatchery compare with other water systems in Mason County?
By EPA's size categories, Jake Wolf Fish Hatchery is a very small system (500 people or fewer). Mason County has 24 active public water systems. Its population served is well below the county average of 371 people per system, and accounts for 0.3% of the 8,902 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 Jake Wolf Fish Hatchery 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 Jake Wolf Fish Hatchery?
EPA lists Jake Wolf Fish Hatchery 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. 4 of the 24 active systems in Mason County (17%) are also owned by a state government.
Does Jake Wolf Fish Hatchery have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between January 2014 and January 2025. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | 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.
Jake Wolf Fish Hatchery: frequently asked questions
Who runs Jake Wolf Fish Hatchery?
Jake Wolf Fish Hatchery (PWSID IL3109934) 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 Jake Wolf Fish Hatchery serve?
Jake Wolf Fish Hatchery reports serving 25 people through 1 service connection in Mason County, Illinois.
Where does Jake Wolf Fish Hatchery 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 Jake Wolf Fish Hatchery have any drinking water violations?
EPA's records list 3 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 Jake Wolf Fish Hatchery'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; 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 Jake Wolf Fish Hatchery's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Jake Wolf Fish Hatchery 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 Mason County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Havana | Mason | 2,963 | Community | Groundwater |
| Mason City | Mason | 2,393 | Community | Groundwater |
| Manito | Mason | 1,552 | Community | Groundwater |
| San Jose | Mason | 479 | Community | Groundwater |
| Easton | Mason | 325 | Community | Groundwater |
| Lost Arrow Campominium | Mason | 223 | Transient non-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, “Jake Wolf Fish Hatchery, PWSID IL3109934, Illinois”, https://aquacensus.com/water-systems/illinois/jake-wolf-fish-hatchery-il3109934 (data as of October 1, 2026).