Public water system · WI6100036
ActiveGrassland Dairy Prod Inc. - Office
At a glance
Grassland Dairy Prod Inc. - Office (PWSID WI6100036) is an active non-transient non-community water system in Clark County, Wisconsin. It reports serving 110 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; 2 are health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
110
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Grassland Dairy Prod Inc. - Office compare with other water systems in Clark County?
By EPA's size categories, Grassland Dairy Prod Inc. - Office is a very small system (500 people or fewer). Clark County has 94 active public water systems. Its population served is about 26% below the county average of 149 people per system, and accounts for 0.8% of the 14,002 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 Grassland Dairy Prod Inc. - Office 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 Grassland Dairy Prod Inc. - Office?
EPA lists Grassland Dairy Prod Inc. - Office 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. 62 of the 94 active systems in Clark County (66%) are also privately owned.
Does Grassland Dairy Prod Inc. - Office have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in January 2020. The violations listed here began between April 2003 and January 2020. By type: 4 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Trichloroethylene (2 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2020-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Trichloroethylenecode 2984 | Yes | Resolved |
| 2019-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Trichloroethylenecode 2984 | Yes | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2003-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Grassland Dairy Prod Inc. - Office: frequently asked questions
Who runs Grassland Dairy Prod Inc. - Office?
Grassland Dairy Prod Inc. - Office (PWSID WI6100036) is a non-transient non-community water system privately owned. It is regulated by the WI state drinking water program.
How many people does Grassland Dairy Prod Inc. - Office serve?
Grassland Dairy Prod Inc. - Office reports serving 110 people through 1 service connection in Clark County, Wisconsin.
Where does Grassland Dairy Prod Inc. - Office 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 Grassland Dairy Prod Inc. - Office have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in January 2020. 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 Grassland Dairy Prod Inc. - Office'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; 2 are health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the WI state drinking water program.
Where can I find Grassland Dairy Prod Inc. - Office's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Grassland Dairy Prod Inc. - Office 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 Clark County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Neillsville Waterworks | Clark | 2,384 | Community | Groundwater |
| Thorp Waterworks | Clark | 1,636 | Community | Groundwater |
| Loyal Waterworks | Clark | 1,308 | Community | Groundwater |
| Greenwood Waterworks | Clark | 1,079 | Community | Groundwater |
| Owen Waterworks | Clark | 936 | Community | Groundwater |
| Dorchester Waterworks | Clark | 834 | 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, “Grassland Dairy Prod Inc. - Office, PWSID WI6100036, Wisconsin”, https://aquacensus.com/water-systems/wisconsin/grassland-dairy-prod-inc-office-wi6100036 (data as of October 1, 2026).