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Non-Transient Non-Community Water System · PWS WI7720127

Wiskerchen Cheese LLC

Auburndale, Wisconsin 54412 - drinking water served from groundwater sources to 100 people, tracked in EPA SDWIS and UCMR5.

100
People served
65
EPA violations
7
Health-based
Untested
UCMR5 result

The verdict

EPA records 65 drinking-water violations at Wiskerchen Cheese LLC, 11% of them health-based - above the Wisconsin per-system average.

65
Total EPA violations on record
11%
Health-based (MCL / treatment failure)
100
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wiskerchen Cheese LLC

Wiskerchen Cheese LLC is a private-owned non-transient non-community water system that delivers drinking water to 100 residents in Auburndale, Wisconsin (Wood County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 65 total violations for this system , of which 7 (11%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 54 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 12 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Wisconsin, EPA tracks 10,988 public water systems serving 5,131,439 people, with 285,161 cumulative violations and 58,688 health-based violations on record. About 72% of systems in the state carry at least one violation, and state-wide the average per system is 26 violations. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%).

Wiskerchen Cheese LLC's 65 violations sit above the Wisconsin average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
100
Total Violations
65
Health-Based Violations
7
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Wood
School/Daycare
No
MCL Violations
0
Monitoring Violations
54
Treatment Tech Violations
7

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 12 2017
Coliform (TCR) MR 12 2013
Chlorine MR 10 2013
Revised Total Coliform Rule MON 8 2025
Lead and Copper Rule TT 7 2025
Public Notice Other 4 2017
TTHM MR 4 2012
Nitrate MR 4 2020
Total Haloacetic Acids (HAA5) MR 4 2012

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Wiskerchen Cheese LLC.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WI7720127 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Wisconsin Drinking Water Authority

Wisconsin DNR, Drinking Water and Groundwater is the primacy agency that licenses and inspects Wiskerchen Cheese LLC under EPA-delegated authority.

Open WI regulator portal

Source: Wisconsin DNR, Drinking Water and Groundwater

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Revised Total Coliform Rule MON 8 SDWIS / WI7720127 / 8000
2025 Lead and Copper Rule TT 7 SDWIS / WI7720127 / 5000
2020 Nitrate MR 4 SDWIS / WI7720127 / 1040
2017 Lead and Copper Rule MR 12 SDWIS / WI7720127 / 5000
2017 Public Notice Other 4 SDWIS / WI7720127 / 7500
2013 Coliform (TCR) MR 12 SDWIS / WI7720127 / 3100
2013 Chlorine MR 10 SDWIS / WI7720127 / 0999
2012 TTHM MR 4 SDWIS / WI7720127 / 2950
2012 Total Haloacetic Acids (HAA5) MR 4 SDWIS / WI7720127 / 2456

How Wiskerchen Cheese LLC Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Wiskerchen Cheese LLC Wisconsin avg Federal benchmark
Total violations 65 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 7 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 38.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 100 467 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 10,988 regulated public water systems in Wisconsin.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Wiskerchen Cheese LLC water safe to drink? ▼
Wiskerchen Cheese LLC (PWS ID: WI7720127) has 65 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 100 people using Groundwater sources.
How many people does Wiskerchen Cheese LLC serve? ▼
Wiskerchen Cheese LLC serves 100 people in Auburndale, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Wiskerchen Cheese LLC have? ▼
Wiskerchen Cheese LLC has 65 total violations: 7 health-based violations (MCL exceedances or treatment failures), 54 monitoring/reporting violations, and 7 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wiskerchen Cheese LLC water? ▼
No PFAS testing data is available for Wiskerchen Cheese LLC under the EPA's UCMR5 monitoring program.
What water source does Wiskerchen Cheese LLC use? ▼
Wiskerchen Cheese LLC uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.