Public water system · WI1250118
ActiveTaliesin - Main Building
At a glance
Taliesin - Main Building (PWSID WI1250118) is an active transient non-community water system in Iowa County, Wisconsin. It reports serving 137 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
137
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Taliesin - Main Building compare with other water systems in Iowa County?
By EPA's size categories, Taliesin - Main Building is a very small system (500 people or fewer). Iowa County has 78 active public water systems. Its population served is about 59% below the county average of 333 people per system, and accounts for 0.5% 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 Taliesin - Main Building is roughly in line with 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 Taliesin - Main Building?
EPA lists Taliesin - Main Building 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 Taliesin - Main Building have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. The violations listed here began between October 2011 and January 2021. By type: 10 monitoring and reporting, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 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 |
|---|---|---|---|---|
| 2021-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-05-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-01-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | 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.
Taliesin - Main Building: frequently asked questions
Who runs Taliesin - Main Building?
Taliesin - Main Building (PWSID WI1250118) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Taliesin - Main Building serve?
Taliesin - Main Building reports serving 137 people through 1 service connection in Iowa County, Wisconsin.
Where does Taliesin - Main Building 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 Taliesin - Main Building have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. 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 Taliesin - Main Building'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, none is health-based, and the most recent began in January 2021. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Taliesin - Main Building's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Taliesin - Main Building 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, “Taliesin - Main Building, PWSID WI1250118, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/taliesin-main-building-wi1250118 (data as of October 1, 2026).