Public water system · IL3017285
ActiveChestnut Mountain Resort - Chalet Well
At a glance
Chestnut Mountain Resort - Chalet Well (PWSID IL3017285) is an active transient non-community water system in Jo Daviess County, Illinois. It reports serving 49 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
49
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Chestnut Mountain Resort - Chalet Well compare with other water systems in Jo Daviess County?
By EPA's size categories, Chestnut Mountain Resort - Chalet Well is a very small system (500 people or fewer). Jo Daviess County has 41 active public water systems. Its population served is well below the county average of 435 people per system, and accounts for 0.3% of the 17,828 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 Chestnut Mountain Resort - Chalet Well is about 66% 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 Chestnut Mountain Resort - Chalet Well?
EPA lists Chestnut Mountain Resort - Chalet Well as privately owned. 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. 29 of the 41 active systems in Jo Daviess County (71%) are also privately owned.
Does Chestnut Mountain Resort - Chalet Well have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2019. The violations listed here began between January 2017 and January 2019. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate (3 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 |
|---|---|---|---|---|
| 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 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.
Chestnut Mountain Resort - Chalet Well: frequently asked questions
Who runs Chestnut Mountain Resort - Chalet Well?
Chestnut Mountain Resort - Chalet Well (PWSID IL3017285) is a transient non-community water system privately owned. It is regulated by the IL state drinking water program.
How many people does Chestnut Mountain Resort - Chalet Well serve?
Chestnut Mountain Resort - Chalet Well reports serving 49 people through 1 service connection in Jo Daviess County, Illinois.
Where does Chestnut Mountain Resort - Chalet 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 Chestnut Mountain Resort - Chalet Well 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 2019. 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 Chestnut Mountain Resort - Chalet 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 3 violations for this system; none is health-based, and the most recent began in January 2019. For current results, consult EPA ECHO, or the IL state drinking water program.
Where can I find Chestnut Mountain Resort - Chalet Well's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Chestnut Mountain Resort - Chalet 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 Jo Daviess County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Galena | Jo Daviess | 3,308 | Community | Groundwater |
| Prairie Path Water Company-Galena | Jo Daviess | 2,294 | Community | Groundwater |
| Stockton | Jo Daviess | 1,728 | Community | Groundwater |
| East Dubuque | Jo Daviess | 1,565 | Community | Groundwater |
| Warren | Jo Daviess | 1,323 | Community | Groundwater |
| Prairie Path Water Company-Apple Canyon | Jo Daviess | 931 | 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, “Chestnut Mountain Resort - Chalet Well, PWSID IL3017285, Illinois”, https://aquacensus.com/water-systems/illinois/chestnut-mountain-resort-chalet-well-il3017285 (data as of October 1, 2026).