Public water system · WI3280009
ActiveOlin-Sang-Ruby Union Institute - Dining Hall
At a glance
Olin-Sang-Ruby Union Institute - Dining Hall (PWSID WI3280009) is an active transient non-community water system in Jefferson County, Wisconsin. It reports serving 700 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in July 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
700
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Olin-Sang-Ruby Union Institute - Dining Hall compare with other water systems in Jefferson County?
By EPA's size categories, Olin-Sang-Ruby Union Institute - Dining Hall is a small system (501 to 3,300 people). Jefferson County has 195 active public water systems. Its population served is about 55% above the county average of 453 people per system, and accounts for 0.8% of the 88,343 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 Olin-Sang-Ruby Union Institute - Dining Hall is about 4.9 times 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 Olin-Sang-Ruby Union Institute - Dining Hall?
EPA lists Olin-Sang-Ruby Union Institute - Dining Hall 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. 152 of the 195 active systems in Jefferson County (78%) are also privately owned.
Does Olin-Sang-Ruby Union Institute - Dining Hall have drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in July 2007. The violations listed here began between June 2003 and July 2007. By type: 5 contaminant level above the legal limit, 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2007-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2003-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 7 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.
Olin-Sang-Ruby Union Institute - Dining Hall: frequently asked questions
Who runs Olin-Sang-Ruby Union Institute - Dining Hall?
Olin-Sang-Ruby Union Institute - Dining Hall (PWSID WI3280009) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Olin-Sang-Ruby Union Institute - Dining Hall serve?
Olin-Sang-Ruby Union Institute - Dining Hall reports serving 700 people through 1 service connection in Jefferson County, Wisconsin.
Where does Olin-Sang-Ruby Union Institute - Dining Hall 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 Olin-Sang-Ruby Union Institute - Dining Hall have any drinking water violations?
EPA's records list 7 violations for this system; 5 are health-based, and the most recent began in July 2007. 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 Olin-Sang-Ruby Union Institute - Dining Hall'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 7 violations for this system; 5 are health-based, and the most recent began in July 2007. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Olin-Sang-Ruby Union Institute - Dining Hall's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Olin-Sang-Ruby Union Institute - Dining Hall 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Watertown Waterworks | Jefferson | 23,945 | Community | Groundwater |
| Fort Atkinson Waterworks | Jefferson | 12,390 | Community | Groundwater |
| Jefferson Waterworks | Jefferson | 7,926 | Community | Groundwater |
| Lake Mills Waterworks | Jefferson | 6,211 | Community | Groundwater |
| Waterloo Waterworks | Jefferson | 3,520 | Community | Groundwater |
| Johnson Creek Waterworks | Jefferson | 3,318 | 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, “Olin-Sang-Ruby Union Institute - Dining Hall, PWSID WI3280009, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/olin-sang-ruby-union-institute-dining-hall-wi3280009 (data as of October 1, 2026).