Public water system · IA9630211
ActiveTwin Springs Supper Club, L.L.C.
At a glance
Twin Springs Supper Club, L.L.C. (PWSID IA9630211) is an active transient non-community water system in Winneshiek County, Iowa. It reports serving 52 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
52
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Twin Springs Supper Club, L.L.C. compare with other water systems in Winneshiek County?
By EPA's size categories, Twin Springs Supper Club, L.L.C. is a very small system (500 people or fewer). Winneshiek County has 43 active public water systems. Its population served is well below the county average of 343 people per system, and accounts for 0.4% of the 14,733 people reported by systems filed under the county. Across Iowa, the 1,828 active systems average 1,718 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Twin Springs Supper Club, L.L.C. is about 64% 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. Iowa has 626 active transient non-community water systems, 34% of the state's 1,828 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,502 Iowa systems (82%) list groundwater as their primary source.
Who owns and regulates Twin Springs Supper Club, L.L.C.?
EPA lists Twin Springs Supper Club, L.L.C. as privately owned. The IA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 27 of the 43 active systems in Winneshiek County (63%) are also privately owned.
Does Twin Springs Supper Club, L.L.C. have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2020. The violations listed here began between August 2016 and December 2020. By type: 2 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is E. coli (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2020-12-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | E. colicode 3014 | No | Resolved |
| 2019-10-01 | Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19 | E. colicode 3014 | No | Resolved |
| 2019-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-08-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 4 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.
Twin Springs Supper Club, L.L.C.: frequently asked questions
Who runs Twin Springs Supper Club, L.L.C.?
Twin Springs Supper Club, L.L.C. (PWSID IA9630211) is a transient non-community water system privately owned. It is regulated by the IA state drinking water program.
How many people does Twin Springs Supper Club, L.L.C. serve?
Twin Springs Supper Club, L.L.C. reports serving 52 people through 1 service connection in Winneshiek County, Iowa.
Where does Twin Springs Supper Club, L.L.C. 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 Twin Springs Supper Club, L.L.C. have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in December 2020. 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 Twin Springs Supper Club, L.L.C.'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 4 violations for this system; none is health-based, and the most recent began in December 2020. For current results, consult EPA ECHO, or the IA state drinking water program.
Where can I find Twin Springs Supper Club, L.L.C.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Twin Springs Supper Club, L.L.C. 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 Winneshiek County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Decorah Water Department | Winneshiek | 7,615 | Community | Groundwater |
| Calmar Water Supply | Winneshiek | 1,125 | Community | Groundwater |
| Ossian Water Supply | Winneshiek | 802 | Community | Groundwater |
| Freeport Water District | Winneshiek | 775 | Community | Groundwater |
| The Country Express | Winneshiek | 515 | Transient non-community | Groundwater |
| Turkey Valley Community School | Winneshiek | 490 | 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, “Twin Springs Supper Club, L.L.C., PWSID IA9630211, Iowa”, https://aquacensus.com/water-systems/iowa/twin-springs-supper-club-l-l-c-ia9630211 (data as of October 1, 2026).