Public water system · WI1330003
ActiveDarlington Ridge Farms
At a glance
Darlington Ridge Farms (PWSID WI1330003) is an active non-transient non-community water system in Lafayette County, Wisconsin. It reports serving 32 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; all are health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
32
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Darlington Ridge Farms compare with other water systems in Lafayette County?
By EPA's size categories, Darlington Ridge Farms is a very small system (500 people or fewer). Lafayette County has 39 active public water systems. Its population served is well below the county average of 284 people per system, and accounts for 0.3% of the 11,066 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 Darlington Ridge Farms 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 Darlington Ridge Farms?
EPA lists Darlington Ridge Farms 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. 22 of the 39 active systems in Lafayette County (56%) are also privately owned.
Does Darlington Ridge Farms have drinking water violations?
EPA's records list 5 violations for this system; all are health-based, and the most recent began in October 2021. The violations listed here began between January 2018 and October 2021. By type: 5 contaminant level above the legal limit. The contaminant or rule involved most often is Arsenic (4 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2021-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2021-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2021-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2018-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Nitrate-Nitritecode 1038 | Yes | Resolved |
All 5 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.
Darlington Ridge Farms: frequently asked questions
Who runs Darlington Ridge Farms?
Darlington Ridge Farms (PWSID WI1330003) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Darlington Ridge Farms serve?
Darlington Ridge Farms reports serving 32 people through 1 service connection in Lafayette County, Wisconsin.
Where does Darlington Ridge Farms 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 Darlington Ridge Farms have any drinking water violations?
EPA's records list 5 violations for this system; all are health-based, and the most recent began in October 2021. 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 Darlington Ridge Farms' 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 5 violations for this system; all are health-based, and the most recent began in October 2021. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Darlington Ridge Farms' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Darlington Ridge Farms 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 Lafayette County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Darlington Waterworks | Lafayette | 2,235 | Community | Groundwater |
| Shullsburg Waterworks | Lafayette | 1,222 | Community | Groundwater |
| Belmont Waterworks | Lafayette | 991 | Community | Groundwater |
| Benton Waterworks | Lafayette | 976 | Community | Groundwater |
| Argyle Waterworks | Lafayette | 823 | Community | Groundwater |
| Blanchardville Waterworks | Lafayette | 810 | 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, “Darlington Ridge Farms, PWSID WI1330003, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/darlington-ridge-farms-wi1330003 (data as of October 1, 2026).