Public water system · WI6180717
ActiveEau Claire Coop Oil Co
At a glance
Eau Claire Coop Oil Co (PWSID WI6180717) is an active non-transient non-community water system in Eau Claire County, Wisconsin. It reports serving 80 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 July 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
80
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Eau Claire Coop Oil Co compare with other water systems in Eau Claire County?
By EPA's size categories, Eau Claire Coop Oil Co is a very small system (500 people or fewer). Eau Claire County has 111 active public water systems. Its population served is well below the county average of 834 people per system, and accounts for less than 0.1% of the 92,606 people reported by systems filed under the county. 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 Eau Claire Coop Oil Co is well below 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 Eau Claire Coop Oil Co?
EPA lists Eau Claire Coop Oil Co 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. 90 of the 111 active systems in Eau Claire County (81%) are also privately owned.
Does Eau Claire Coop Oil Co have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2017. The violations listed here began between April 2017 and July 2017. By type: 10 monitoring and reporting, 1 public notice, recordkeeping or other and 1 monitoring. The contaminants or rules involved are Public Notice, Revised Total Coliform Rule, Lead and Copper Rule and o-Dichlorobenzene. 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 |
|---|---|---|---|---|
| 2017-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-05-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1-Dichloroethylenecode 2977 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | 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.
Eau Claire Coop Oil Co: frequently asked questions
Who runs Eau Claire Coop Oil Co?
Eau Claire Coop Oil Co (PWSID WI6180717) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Eau Claire Coop Oil Co serve?
Eau Claire Coop Oil Co reports serving 80 people through 1 service connection in Eau Claire County, Wisconsin.
Where does Eau Claire Coop Oil Co 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 Eau Claire Coop Oil Co 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 July 2017. 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 Eau Claire Coop Oil Co'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 July 2017. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Eau Claire Coop Oil Co's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Eau Claire Coop Oil Co 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 Eau Claire County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eau Claire Waterworks | Eau Claire | 70,587 | Community | Groundwater |
| Altoona Waterworks | Eau Claire | 9,627 | Community | Groundwater |
| Augusta Waterworks | Eau Claire | 1,450 | Community | Groundwater |
| Fall Creek Waterworks | Eau Claire | 1,269 | Community | Groundwater |
| Hillcrest Estates MHP | Eau Claire | 850 | Community | Groundwater |
| Menards Old Mill Center | Eau Claire | 730 | 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, “Eau Claire Coop Oil Co, PWSID WI6180717, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/eau-claire-coop-oil-co-wi6180717 (data as of October 1, 2026).