Public water system · WI1250492
ActiveTaliesin Tan-Y Deri
At a glance
Taliesin Tan-Y Deri (PWSID WI1250492) is an active transient non-community water system in Iowa County, Wisconsin. It reports serving 110 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
110
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Taliesin Tan-Y Deri compare with other water systems in Iowa County?
By EPA's size categories, Taliesin Tan-Y Deri 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 0.4% 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 Tan-Y Deri is about 24% 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 Taliesin Tan-Y Deri?
EPA lists Taliesin Tan-Y Deri 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 Tan-Y Deri have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Taliesin Tan-Y Deri. For the latest compliance status, check EPA ECHO for current compliance history.
Taliesin Tan-Y Deri: frequently asked questions
Who runs Taliesin Tan-Y Deri?
Taliesin Tan-Y Deri (PWSID WI1250492) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Taliesin Tan-Y Deri serve?
Taliesin Tan-Y Deri reports serving 110 people through 1 service connection in Iowa County, Wisconsin.
Where does Taliesin Tan-Y Deri 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 Tan-Y Deri have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Taliesin Tan-Y Deri'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Taliesin Tan-Y Deri's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Taliesin Tan-Y Deri 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 Tan-Y Deri, PWSID WI1250492, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/taliesin-tan-y-deri-wi1250492 (data as of October 1, 2026).