Public water system · WI6170289
ActiveSynergy Cooperative - Ridgeland
At a glance
Synergy Cooperative - Ridgeland (PWSID WI6170289) is an active transient non-community water system in Dunn County, Wisconsin. It reports serving 475 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in July 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
475
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Synergy Cooperative - Ridgeland compare with other water systems in Dunn County?
By EPA's size categories, Synergy Cooperative - Ridgeland is a very small system (500 people or fewer). Dunn County has 86 active public water systems. Its population served is about 56% above the county average of 305 people per system, and accounts for 1.8% of the 26,187 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 Synergy Cooperative - Ridgeland is about 3.3 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 Synergy Cooperative - Ridgeland?
EPA lists Synergy Cooperative - Ridgeland 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. 68 of the 86 active systems in Dunn County (79%) are also privately owned.
Does Synergy Cooperative - Ridgeland have drinking water violations?
EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in July 2014. The violations listed here began between July 2009 and July 2014. By type: 5 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 6 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.
Synergy Cooperative - Ridgeland: frequently asked questions
Who runs Synergy Cooperative - Ridgeland?
Synergy Cooperative - Ridgeland (PWSID WI6170289) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Synergy Cooperative - Ridgeland serve?
Synergy Cooperative - Ridgeland reports serving 475 people through 1 service connection in Dunn County, Wisconsin.
Where does Synergy Cooperative - Ridgeland 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 Synergy Cooperative - Ridgeland have any drinking water violations?
EPA's records list 6 violations for this system; 5 are health-based, and the most recent began in July 2014. 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 Synergy Cooperative - Ridgeland'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 6 violations for this system; 5 are health-based, and the most recent began in July 2014. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Synergy Cooperative - Ridgeland's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Synergy Cooperative - Ridgeland 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 Dunn County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Menomonie Waterworks | Dunn | 15,950 | Community | Groundwater |
| Colfax Waterworks | Dunn | 1,102 | Community | Groundwater |
| Boyceville Waterworks | Dunn | 1,043 | Community | Groundwater |
| Elk Mound Waterworks | Dunn | 895 | Community | Groundwater |
| Birch Terrace Mobile Home Community | Dunn | 700 | Community | Groundwater |
| Knapp Waterworks | Dunn | 486 | 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, “Synergy Cooperative - Ridgeland, PWSID WI6170289, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/synergy-cooperative-ridgeland-wi6170289 (data as of October 1, 2026).