Public water system · WI1250350
ActiveSilver Star
At a glance
Silver Star (PWSID WI1250350) is an active transient non-community water system in Iowa County, Wisconsin. It reports serving 85 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in November 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
85
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Silver Star compare with other water systems in Iowa County?
By EPA's size categories, Silver Star is a very small system (500 people or fewer). Iowa County has 78 active public water systems. Its population served is well below the county average of 333 people per system, and accounts for 0.3% of the 25,964 people reported by systems filed under the county. Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Silver Star is about 41% 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. Wisconsin has 9,112 active transient non-community water systems, 82% of the state's 11,056 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 10,978 Wisconsin systems (99%) list groundwater as their primary source.
Who owns and regulates Silver Star?
EPA lists Silver Star as privately owned. The WI state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 42 of the 78 active systems in Iowa County (54%) are also privately owned.
Does Silver Star have drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in November 2014. The violations listed here began between March 2001 and November 2014. By type: 4 contaminant level above the legal limit, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2014-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-06-06 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-06-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 6 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.
Silver Star: frequently asked questions
Who runs Silver Star?
Silver Star (PWSID WI1250350) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Silver Star serve?
Silver Star reports serving 85 people through 1 service connection in Iowa County, Wisconsin.
Where does Silver Star 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 Silver Star have any drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in November 2014. 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 Silver Star'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 6 violations for this system; 4 are health-based, and the most recent began in November 2014. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Silver Star's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Silver Star 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 Iowa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Dodgeville Waterworks | Iowa | 4,583 | Community | Groundwater |
| Mineral Point Waterworks | Iowa | 2,487 | Community | Groundwater |
| House on the Rock | Iowa | 2,025 | Non-transient non-community | Groundwater |
| Barneveld Waterworks | Iowa | 1,258 | Community | Groundwater |
| Arena Waterworks | Iowa | 877 | Community | Groundwater |
| Highland Waterworks | Iowa | 842 | 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, “Silver Star, PWSID WI1250350, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/silver-star-wi1250350 (data as of October 1, 2026).