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MADISON ELEMENTARY SCHOOL

PWS ID: IN2710032 · MISHAWAKA, Indiana 46545

MADISON ELEMENTARY SCHOOL serves 127 people in MISHAWAKA, Indiana using Groundwater water sources. It has 155 recorded EPA violations, including 93 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MADISON ELEMENTARY SCHOOL

MADISON ELEMENTARY SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 127 residents in MISHAWAKA, Indiana (St. Joseph County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 155 total violations for this system , of which 93 (60%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 59 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 Arsenic, recorded in 69 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 Indiana, EPA tracks 3,967 public water systems serving 5,774,616 people, with 352,710 cumulative violations and 35,932 health-based violations on record. About 96% of systems in the state carry at least one violation, and state-wide the average per system is 88.9 violations. MADISON ELEMENTARY SCHOOL's 155 violations sit above the Indiana average. Statewide, 93 of 229 UCMR5-tested systems have reported PFAS detections (40.6%). 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
127
Total Violations
155
Health-Based Violations
93
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
1
County
St. Joseph
School/Daycare
Yes
MCL Violations
87
Monitoring Violations
59
Treatment Tech Violations
6

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 69 2023
Coliform (TCR) MCL 14 2009
Lead and Copper Rule MR 13 2000
Revised Total Coliform Rule MON 6 2020
Lead and Copper Rule TT 6 1995
Arsenic MR 4 2008
Barium MR 4 2008
Mercury MR 4 2008
Beryllium, Total MR 4 2008
Selenium MR 4 2008
1,2-Dichloroethane MCL 4 2014
Cadmium MR 4 2008
Chromium MR 4 2008
Nickel MR 4 2008
Thallium, Total MR 4 2008
Antimony, Total MR 4 2008
Revised Total Coliform Rule RPT 3 2018

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 MADISON ELEMENTARY 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 IN2710032 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Indiana Drinking Water Authority

Indiana Department of Environmental Management — Drinking Water Branch is the primacy agency that licenses and inspects MADISON ELEMENTARY SCHOOL under EPA-delegated authority.

Open IN regulator portal

Source: Indiana Department of Environmental Management — Drinking Water Branch

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 Arsenic MCL 69 SDWIS / IN2710032 / 1005
2020 Revised Total Coliform Rule MON 6 SDWIS / IN2710032 / 8000
2018 Revised Total Coliform Rule RPT 3 SDWIS / IN2710032 / 8000
2014 1,2-Dichloroethane MCL 4 SDWIS / IN2710032 / 2980
2009 Coliform (TCR) MCL 14 SDWIS / IN2710032 / 3100
2008 Arsenic MR 4 SDWIS / IN2710032 / 1005
2008 Barium MR 4 SDWIS / IN2710032 / 1010
2008 Mercury MR 4 SDWIS / IN2710032 / 1035
2008 Beryllium, Total MR 4 SDWIS / IN2710032 / 1075
2008 Selenium MR 4 SDWIS / IN2710032 / 1045
2008 Cadmium MR 4 SDWIS / IN2710032 / 1015
2008 Chromium MR 4 SDWIS / IN2710032 / 1020
2008 Nickel MR 4 SDWIS / IN2710032 / 1036
2008 Thallium, Total MR 4 SDWIS / IN2710032 / 1085
2008 Antimony, Total MR 4 SDWIS / IN2710032 / 1074

How MADISON ELEMENTARY SCHOOL Compares

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

Metric MADISON ELEMENTARY SCHOOL Indiana avg Federal benchmark
Total violations 155 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 93 9.1 Indicates a contaminant exceeded a federal MCL
PFAS detection None 40.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 127 1,456 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 3,967 regulated public water systems in Indiana.

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 MADISON ELEMENTARY SCHOOL water safe to drink? ▼
MADISON ELEMENTARY SCHOOL (PWS ID: IN2710032) has 155 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 127 people using Groundwater sources.
How many people does MADISON ELEMENTARY SCHOOL serve? ▼
MADISON ELEMENTARY SCHOOL serves 127 people in MISHAWAKA, Indiana. It is a Local-owned system using Groundwater water sources with 1 service connections.
What type of violations does MADISON ELEMENTARY SCHOOL have? ▼
MADISON ELEMENTARY SCHOOL has 155 total violations: 93 health-based violations (MCL exceedances or treatment failures), 59 monitoring/reporting violations, and 6 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MADISON ELEMENTARY SCHOOL water? ▼
No PFAS testing data is available for MADISON ELEMENTARY SCHOOL under the EPA's UCMR5 monitoring program.
What water source does MADISON ELEMENTARY SCHOOL use? ▼
MADISON ELEMENTARY 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.

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

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