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Community Water System · PWS WI4050726

Holland TN Sanitary Dist

Kaukauna, Wisconsin 54130 - drinking water served from groundwater sources to 495 people, tracked in EPA SDWIS and UCMR5.

495
People served
71
EPA violations
34
Health-based
Untested
UCMR5 result

The verdict

EPA records 71 drinking-water violations at Holland TN Sanitary Dist, 48% of them health-based - above the Wisconsin per-system average.

71
Total EPA violations on record
48%
Health-based (MCL / treatment failure)
495
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Holland TN Sanitary Dist

Holland TN Sanitary Dist is a local-owned community water system that delivers drinking water to 495 residents in Kaukauna, Wisconsin (Brown County) through 183 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 71 total violations for this system , of which 34 (48%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 22 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Combined Radium (-226 and -228), recorded in 24 violations (MCL, health-based). 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%).

Holland TN Sanitary Dist's 71 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
495
Total Violations
71
Health-Based Violations
34
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
183
County
Brown
School/Daycare
No
MCL Violations
34
Monitoring Violations
22
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Combined Radium (-226 and -228) MCL 24 2017
Combined Uranium MR 11 2008
Gross Alpha, Excl. Radon and U MCL 10 2007
Public Notice Other 9 2017
Consumer Confidence Rule Other 6 2011
Coliform (TCR) MR 4 2012
Chlorine MR 4 2012
Lead and Copper Rule MR 3 2015

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 Holland TN Sanitary Dist.

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 WI4050726 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 Holland TN Sanitary Dist 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
2017 Combined Radium (-226 and -228) MCL 24 SDWIS / WI4050726 / 4010
2017 Public Notice Other 9 SDWIS / WI4050726 / 7500
2015 Lead and Copper Rule MR 3 SDWIS / WI4050726 / 5000
2012 Coliform (TCR) MR 4 SDWIS / WI4050726 / 3100
2012 Chlorine MR 4 SDWIS / WI4050726 / 0999
2011 Consumer Confidence Rule Other 6 SDWIS / WI4050726 / 7000
2008 Combined Uranium MR 11 SDWIS / WI4050726 / 4006
2007 Gross Alpha, Excl. Radon and U MCL 10 SDWIS / WI4050726 / 4000

How Holland TN Sanitary Dist Compares

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

Metric Holland TN Sanitary Dist Wisconsin avg Federal benchmark
Total violations 71 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 34 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 495 467 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 Holland TN Sanitary Dist water safe to drink? ▼
Holland TN Sanitary Dist (PWS ID: WI4050726) has 71 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 495 people using Groundwater sources.
How many people does Holland TN Sanitary Dist serve? ▼
Holland TN Sanitary Dist serves 495 people in Kaukauna, Wisconsin. It is a Local-owned system using Groundwater water sources with 183 service connections.
What type of violations does Holland TN Sanitary Dist have? ▼
Holland TN Sanitary Dist has 71 total violations: 34 health-based violations (MCL exceedances or treatment failures), 22 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Holland TN Sanitary Dist water? ▼
No PFAS testing data is available for Holland TN Sanitary Dist under the EPA's UCMR5 monitoring program.
What water source does Holland TN Sanitary Dist use? ▼
Holland TN Sanitary Dist uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
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.