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Community Water System · PWS WI8040129

Drummond Sanitary District

Drummond, Wisconsin 54832-0025 - drinking water served from groundwater sources to 250 people, tracked in EPA SDWIS and UCMR5.

250
People served
360
EPA violations
31
Health-based
Untested
UCMR5 result

The verdict

EPA records 360 drinking-water violations at Drummond Sanitary District, 9% of them health-based - above the Wisconsin per-system average.

360
Total EPA violations on record
9%
Health-based (MCL / treatment failure)
250
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Drummond Sanitary District

Drummond Sanitary District is a local-owned community water system that delivers drinking water to 250 residents in Drummond, Wisconsin (Bayfield County) through 92 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 360 total violations for this system , of which 31 (9%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 324 monitoring and reporting violations are on file. The most recent violation on record dates to 2018.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 29 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, 51 of 202 UCMR5-tested systems have reported PFAS detections (25.2%).

Drummond Sanitary District's 360 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
250
Total Violations
360
Health-Based Violations
31
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
92
County
Bayfield
School/Daycare
No
MCL Violations
29
Monitoring Violations
324
Treatment Tech Violations
2

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 29 2002
Coliform (TCR) MR 15 2003
Nitrate MR 13 1995
Lead and Copper Rule MR 10 2018
cis-1,2-Dichloroethylene MR 10 1995
DICHLOROMETHANE MR 10 1995
o-Dichlorobenzene MR 10 1995
p-Dichlorobenzene MR 10 1995
trans-1,2-Dichloroethylene MR 10 1995
1,1,1-Trichloroethane MR 10 1995
Carbon tetrachloride MR 10 1995
Benzene MR 10 1995
Ethylbenzene MR 10 1995
Styrene MR 10 1995
1,1-Dichloroethylene MR 10 1995
1,1,2-Trichloroethane MR 10 1995
1,2-Dichloropropane MR 10 1995
Toluene MR 10 1995
Trichloroethylene MR 10 1995
CHLOROBENZENE MR 10 1995
Vinyl chloride MR 10 1995
Tetrachloroethylene MR 10 1995
1,2-Dichloroethane MR 10 1995
Xylenes, Total MR 10 1995
1,2,4-Trichlorobenzene MR 8 1995
BHC-GAMMA MR 4 1994
Endrin MR 4 1994
2,4-D MR 4 1994
Methoxychlor MR 4 1994
Toxaphene MR 4 1994

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 Drummond Sanitary District.

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 WI8040129 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 Drummond Sanitary District 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
2018 Lead and Copper Rule MR 10 SDWIS / WI8040129 / 5000
2012 Consumer Confidence Rule Other 2 SDWIS / WI8040129 / 7000
2006 Public Notice Other 1 SDWIS / WI8040129 / 7500
2005 Lead and Copper Rule TT 2 SDWIS / WI8040129 / 5000
2003 Coliform (TCR) MR 15 SDWIS / WI8040129 / 3100
2002 Coliform (TCR) MCL 29 SDWIS / WI8040129 / 3100
1995 Nitrate MR 13 SDWIS / WI8040129 / 1040
1995 cis-1,2-Dichloroethylene MR 10 SDWIS / WI8040129 / 2380
1995 DICHLOROMETHANE MR 10 SDWIS / WI8040129 / 2964
1995 o-Dichlorobenzene MR 10 SDWIS / WI8040129 / 2968
1995 p-Dichlorobenzene MR 10 SDWIS / WI8040129 / 2969
1995 trans-1,2-Dichloroethylene MR 10 SDWIS / WI8040129 / 2979
1995 1,1,1-Trichloroethane MR 10 SDWIS / WI8040129 / 2981
1995 Carbon tetrachloride MR 10 SDWIS / WI8040129 / 2982
1995 Benzene MR 10 SDWIS / WI8040129 / 2990

How Drummond Sanitary District Compares

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

Metric Drummond Sanitary District Wisconsin avg Federal benchmark
Total violations 360 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 31 5.3 Indicates a contaminant exceeded a federal MCL
PFAS detection None 25.2% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 250 467 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 Drummond Sanitary District water safe to drink? ▼
Drummond Sanitary District (PWS ID: WI8040129) has 360 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 250 people using Groundwater sources.
How many people does Drummond Sanitary District serve? ▼
Drummond Sanitary District serves 250 people in Drummond, Wisconsin. It is a Local-owned system using Groundwater water sources with 92 service connections.
What type of violations does Drummond Sanitary District have? ▼
Drummond Sanitary District has 360 total violations: 31 health-based violations (MCL exceedances or treatment failures), 324 monitoring/reporting violations, and 2 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Drummond Sanitary District water? ▼
No PFAS testing data is available for Drummond Sanitary District under the EPA's UCMR5 monitoring program.
What water source does Drummond Sanitary District use? ▼
Drummond Sanitary District 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.