Public water system · UTAH04052
ActiveMadsen Bay Subdivision
At a glance
Madsen Bay Subdivision (PWSID UTAH04052) is an active transient non-community water system in Carbon County, Utah. It reports serving 30 people through 41 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
41
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Madsen Bay Subdivision compare with other water systems in Carbon County?
By EPA's size categories, Madsen Bay Subdivision is a very small system (500 people or fewer). Carbon County has 21 active public water systems. Its population served is well below the county average of 1,089 people per system, and accounts for 0.1% of the 22,864 people reported by systems filed under the county. Across Utah, the 1,133 active systems average 3,458 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Madsen Bay Subdivision 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. Utah has 509 active transient non-community water systems, 45% of the state's 1,133 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 898 Utah systems (79%) list groundwater as their primary source.
Who owns and regulates Madsen Bay Subdivision?
EPA lists Madsen Bay Subdivision as privately owned. The UT state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 12 of the 21 active systems in Carbon County (57%) are also privately owned.
Does Madsen Bay Subdivision have drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2022. The violations listed here began between March 2016 and April 2022. By type: 5 required treatment not met, 5 monitoring, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (7 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2022-04-22 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-04-22 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2019-03-31 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2018-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-10-01 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-12-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-04-02 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2016-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-03-25 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
The 12 most recent 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.
Madsen Bay Subdivision: frequently asked questions
Who runs Madsen Bay Subdivision?
Madsen Bay Subdivision (PWSID UTAH04052) is a transient non-community water system privately owned. It is regulated by the UT state drinking water program.
How many people does Madsen Bay Subdivision serve?
Madsen Bay Subdivision reports serving 30 people through 41 service connections in Carbon County, Utah.
Where does Madsen Bay Subdivision 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 Madsen Bay Subdivision have any drinking water violations?
Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 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 Madsen Bay Subdivision'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. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in April 2022. For current results, consult EPA ECHO, or the UT state drinking water program.
Where can I find Madsen Bay Subdivision's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Madsen Bay Subdivision 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 Carbon County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Price Municipal Corporation | Carbon | 8,867 | Community | Surface water |
| Price River Wid | Carbon | 5,790 | Community | Surface water |
| Helper City | Carbon | 2,000 | Community | Purchased surface water |
| Wellington City | Carbon | 1,676 | Community | Purchased surface water |
| East Carbon City | Carbon | 1,460 | Community | Surface water |
| Skyline Mine | Carbon | 430 | Non-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, “Madsen Bay Subdivision, PWSID UTAH04052, Utah”, https://aquacensus.com/water-systems/utah/madsen-bay-subdivision-utah04052 (data as of October 1, 2026).