PlainWater

HOLCOMBE HIGH SCHOOL

PWS ID: WI6090514 · HOLCOMBE, Wisconsin 54745

HOLCOMBE HIGH SCHOOL serves 445 people in HOLCOMBE, Wisconsin using Groundwater water sources. It has 147 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HOLCOMBE HIGH SCHOOL

HOLCOMBE HIGH SCHOOL is a private-owned non-transient non-community water system that delivers drinking water to 445 residents in HOLCOMBE, Wisconsin (Chippewa County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 147 total violations for this system , of which 0 (0%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 147 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 7 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. HOLCOMBE HIGH SCHOOL's 147 violations sit above the Wisconsin average. Statewide, 78 of 202 UCMR5-tested systems have reported PFAS detections (38.6%). 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
445
Total Violations
147
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
Chippewa
School/Daycare
Yes
MCL Violations
0
Monitoring Violations
147
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 1998
Lead and Copper Rule MR 5 2023
2,4,5-TP MR 5 1995
2,4-D MR 5 1995
Diquat MR 5 1995
Toxaphene MR 5 1995
Chlordane MR 5 1995
Picloram MR 5 1995
Simazine MR 5 1995
Glyphosate MR 5 1995
Endothall MR 5 1995
Heptachlor epoxide MR 5 1995
Atrazine MR 5 1995
Aldicarb MR 5 1995
Heptachlor MR 5 1995
Aldicarb sulfoxide MR 5 1995
Carbofuran MR 5 1995
Total Polychlorinated Biphenyls (PCB) MR 5 1995
Dinoseb MR 5 1995
Methoxychlor MR 5 1995
Aldicarb sulfone MR 5 1995
Hexachlorocyclopentadiene MR 5 1995
HEXACHLOROBENZENE MR 5 1995
Pentachlorophenol MR 5 1995
BHC-GAMMA MR 5 1995
LASSO MR 5 1995
Dalapon MR 5 1995
Endrin MR 5 1995
OXAMYL MR 5 1995

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 HOLCOMBE HIGH SCHOOL.

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 WI6090514 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 HOLCOMBE HIGH SCHOOL 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
2023 Lead and Copper Rule MR 5 SDWIS / WI6090514 / 5000
1998 Coliform (TCR) MR 7 SDWIS / WI6090514 / 3100
1995 2,4,5-TP MR 5 SDWIS / WI6090514 / 2110
1995 2,4-D MR 5 SDWIS / WI6090514 / 2105
1995 Diquat MR 5 SDWIS / WI6090514 / 2032
1995 Toxaphene MR 5 SDWIS / WI6090514 / 2020
1995 Chlordane MR 5 SDWIS / WI6090514 / 2959
1995 Picloram MR 5 SDWIS / WI6090514 / 2040
1995 Simazine MR 5 SDWIS / WI6090514 / 2037
1995 Glyphosate MR 5 SDWIS / WI6090514 / 2034
1995 Endothall MR 5 SDWIS / WI6090514 / 2033
1995 Heptachlor epoxide MR 5 SDWIS / WI6090514 / 2067
1995 Atrazine MR 5 SDWIS / WI6090514 / 2050
1995 Aldicarb MR 5 SDWIS / WI6090514 / 2047
1995 Heptachlor MR 5 SDWIS / WI6090514 / 2065

How HOLCOMBE HIGH SCHOOL Compares

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

Metric HOLCOMBE HIGH SCHOOL Wisconsin avg Federal benchmark
Total violations 147 26 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 445 467 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is HOLCOMBE HIGH SCHOOL water safe to drink?
HOLCOMBE HIGH SCHOOL (PWS ID: WI6090514) has 147 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 445 people using Groundwater sources.
How many people does HOLCOMBE HIGH SCHOOL serve?
HOLCOMBE HIGH SCHOOL serves 445 people in HOLCOMBE, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does HOLCOMBE HIGH SCHOOL have?
HOLCOMBE HIGH SCHOOL has 147 total violations: 0 health-based violations (MCL exceedances or treatment failures), 147 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HOLCOMBE HIGH SCHOOL water?
No PFAS testing data is available for HOLCOMBE HIGH SCHOOL under the EPA's UCMR5 monitoring program.
What water source does HOLCOMBE HIGH SCHOOL use?
HOLCOMBE HIGH SCHOOL 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial