Public water system · 050595307
ActiveSevenwinds Lodge and Convention Center
At a glance
Sevenwinds Lodge and Convention Center (PWSID 050595307) is an active non-transient non-community water system in Wisconsin. It reports serving 782 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
782
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Sevenwinds Lodge and Convention Center compare with other water systems in Wisconsin?
By EPA's size categories, Sevenwinds Lodge and Convention Center is a small system (501 to 3,300 people). Across Wisconsin, the 11,056 active systems average 469 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Sevenwinds Lodge and Convention Center is about 82% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Wisconsin has 891 active non-transient non-community water systems, 8.1% 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 Sevenwinds Lodge and Convention Center?
EPA lists Sevenwinds Lodge and Convention Center as Native American-owned. The EPA Region 05 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Sevenwinds Lodge and Convention Center have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in October 2023. The violations listed here began between January 2020 and October 2023. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 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 |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-06-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Picloramcode 2040 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | 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.
Sevenwinds Lodge and Convention Center: frequently asked questions
Who runs Sevenwinds Lodge and Convention Center?
Sevenwinds Lodge and Convention Center (PWSID 050595307) is a non-transient non-community water system Native American-owned. It is regulated by the EPA Region 05.
How many people does Sevenwinds Lodge and Convention Center serve?
Sevenwinds Lodge and Convention Center reports serving 782 people through 1 service connection in Wisconsin.
Where does Sevenwinds Lodge and Convention Center 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 Sevenwinds Lodge and Convention Center 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 October 2023. 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 Sevenwinds Lodge and Convention Center'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 October 2023. For current results, consult EPA ECHO, or the EPA Region 05.
Where can I find Sevenwinds Lodge and Convention Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sevenwinds Lodge and Convention Center is a non-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 Wisconsin
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Milwaukee Waterworks | Milwaukee | 626,000 | Community | Surface water |
| Madison Water Utility | Dane | 272,000 | Community | Groundwater |
| Green Bay Waterworks | Brown | 107,369 | Community | Surface water |
| Racine Waterworks | Racine | 105,100 | Community | Surface water |
| Kenosha Water Utility | Kenosha | 99,218 | Community | Surface water |
| Appleton Waterworks | Outagamie | 74,511 | Community | Surface water |
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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, “Sevenwinds Lodge and Convention Center, PWSID 050595307, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/sevenwinds-lodge-and-convention-center-050595307 (data as of October 1, 2026).