PlainWater

Transient Non-Community Water System · PWS WI1110188

Dekorra Lutheran Church

Poynette, Wisconsin 53955-9435 - drinking water served from groundwater sources to 153 people, tracked in EPA SDWIS and UCMR5.

153
People served
10
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 10 drinking-water violations at Dekorra Lutheran Church, 100% of them health-based - below the Wisconsin per-system average.

10
Total EPA violations on record
100%
Health-based (MCL / treatment failure)
153
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Dekorra Lutheran Church

Dekorra Lutheran Church is a private-owned transient non-community water system that delivers drinking water to 153 residents in Poynette, Wisconsin (Columbia County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 10 total violations for this system , of which 10 (100%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 1994.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 10 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%).

Dekorra Lutheran Church's 10 violations sit below 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
153
Total Violations
10
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Transient Non-Community
Owner Type
Private
Connections
1
County
Columbia
School/Daycare
No
MCL Violations
10
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 10 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 Dekorra Lutheran Church.

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 WI1110188 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 Dekorra Lutheran Church 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
1994 Coliform (TCR) MCL 10 SDWIS / WI1110188 / 3100

How Dekorra Lutheran Church Compares

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

Metric Dekorra Lutheran Church Wisconsin avg Federal benchmark
Total violations 10 26 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 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 153 467 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 Dekorra Lutheran Church water safe to drink?
Dekorra Lutheran Church (PWS ID: WI1110188) has 10 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 153 people using Groundwater sources.
How many people does Dekorra Lutheran Church serve?
Dekorra Lutheran Church serves 153 people in Poynette, Wisconsin. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does Dekorra Lutheran Church have?
Dekorra Lutheran Church has 10 total violations: 10 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Dekorra Lutheran Church water?
No PFAS testing data is available for Dekorra Lutheran Church under the EPA's UCMR5 monitoring program.
What water source does Dekorra Lutheran Church use?
Dekorra Lutheran Church uses Groundwater as its primary water source. It is classified as a Transient Non-Community Water System, serving transient populations.
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.
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.