Public water system · WI1570877
ActiveKoenecke Ford Mercury
At a glance
Koenecke Ford Mercury (PWSID WI1570877) is an active transient non-community water system in Sauk County, Wisconsin. It reports serving 39 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 April 2005.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
39
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Koenecke Ford Mercury compare with other water systems in Sauk County?
By EPA's size categories, Koenecke Ford Mercury is a very small system (500 people or fewer). Sauk County has 199 active public water systems. Its population served is well below the county average of 342 people per system, and accounts for less than 0.1% of the 68,062 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 Koenecke Ford Mercury is well 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. 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 Koenecke Ford Mercury?
EPA lists Koenecke Ford Mercury 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. 154 of the 199 active systems in Sauk County (77%) are also privately owned.
Does Koenecke Ford Mercury have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2005. The violations listed here began between April 2002 and April 2005. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (3 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 |
|---|---|---|---|---|
| 2005-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2004-04-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Tetrachloroethylenecode 2987 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | 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.
Koenecke Ford Mercury: frequently asked questions
Who runs Koenecke Ford Mercury?
Koenecke Ford Mercury (PWSID WI1570877) is a transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Koenecke Ford Mercury serve?
Koenecke Ford Mercury reports serving 39 people through 1 service connection in Sauk County, Wisconsin.
Where does Koenecke Ford Mercury 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 Koenecke Ford Mercury 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 April 2005. 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 Koenecke Ford Mercury'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 April 2005. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Koenecke Ford Mercury's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Koenecke Ford Mercury 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 Sauk County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Baraboo Waterworks | Sauk | 12,703 | Community | Groundwater |
| Reedsburg Waterworks | Sauk | 9,984 | Community | Groundwater |
| Ho Chunk Casino | Sauk | 5,486 | Non-transient non-community | Groundwater |
| Prairie Du Sac Waterworks | Sauk | 4,006 | Community | Groundwater |
| Sauk City Waterworks | Sauk | 3,518 | Community | Groundwater |
| Lake Delton Waterworks | Sauk | 2,914 | 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, “Koenecke Ford Mercury, PWSID WI1570877, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/koenecke-ford-mercury-wi1570877 (data as of October 1, 2026).