PlainWater
States → Indiana

METALSTAMP, INC.

PWS ID: IN2710040 · MASON, Indiana 45040

METALSTAMP, INC. serves 49 people in MASON, Indiana using Groundwater water sources. It has 289 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: METALSTAMP, INC.

METALSTAMP, INC. is a private-owned non-transient non-community water system that delivers drinking water to 49 residents in MASON, Indiana (St. Joseph County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 289 total violations for this system , of which 4 (1%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 281 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 16 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 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. METALSTAMP, INC.'s 289 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
49
Total Violations
289
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
1
County
St. Joseph
School/Daycare
No
MCL Violations
0
Monitoring Violations
281
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 16 2006
Revised Total Coliform Rule MON 9 2023
1,2-Dichloroethane MR 7 2002
Carbon tetrachloride MR 7 2002
1,2-Dichloropropane MR 7 2002
Trichloroethylene MR 7 2002
1,1,2-Trichloroethane MR 7 2002
Tetrachloroethylene MR 7 2002
CHLOROBENZENE MR 7 2002
Benzene MR 7 2002
Toluene MR 7 2002
Styrene MR 7 2002
1,2,4-Trichlorobenzene MR 7 2002
cis-1,2-Dichloroethylene MR 7 2002
DICHLOROMETHANE MR 7 2002
o-Dichlorobenzene MR 7 2002
Xylenes, Total MR 7 2002
1,1-Dichloroethylene MR 7 2002
1,1,1-Trichloroethane MR 7 2002
Simazine MR 7 2009
LASSO MR 7 2009
Glyphosate MR 7 2009
Atrazine MR 7 2009
2,4-D MR 7 2009
p-Dichlorobenzene MR 7 2002
trans-1,2-Dichloroethylene MR 7 2002
Vinyl chloride MR 7 2002
Ethylbenzene MR 7 2002
E. COLI MR 5 2023
LEAD AND COPPER RULE REVISIONS TT 4 2024

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 METALSTAMP, INC..

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 IN2710040 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 METALSTAMP, INC. 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
2024 LEAD AND COPPER RULE REVISIONS TT 4 SDWIS / IN2710040 / 5200
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / IN2710040 / 5200
2023 Revised Total Coliform Rule MON 9 SDWIS / IN2710040 / 8000
2023 E. COLI MR 5 SDWIS / IN2710040 / 3014
2009 Simazine MR 7 SDWIS / IN2710040 / 2037
2009 LASSO MR 7 SDWIS / IN2710040 / 2051
2009 Glyphosate MR 7 SDWIS / IN2710040 / 2034
2009 Atrazine MR 7 SDWIS / IN2710040 / 2050
2009 2,4-D MR 7 SDWIS / IN2710040 / 2105
2009 Endrin MR 3 SDWIS / IN2710040 / 2005
2009 Dalapon MR 3 SDWIS / IN2710040 / 2031
2009 Diquat MR 3 SDWIS / IN2710040 / 2032
2009 Endothall MR 3 SDWIS / IN2710040 / 2033
2009 Di(2-ethylhexyl) adipate MR 3 SDWIS / IN2710040 / 2035
2009 Picloram MR 3 SDWIS / IN2710040 / 2040

How METALSTAMP, INC. Compares

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

Metric METALSTAMP, INC. Indiana avg Federal benchmark
Total violations 289 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 49 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 METALSTAMP, INC. water safe to drink? ▼
METALSTAMP, INC. (PWS ID: IN2710040) has 289 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 49 people using Groundwater sources.
How many people does METALSTAMP, INC. serve? ▼
METALSTAMP, INC. serves 49 people in MASON, Indiana. It is a Private-owned system using Groundwater water sources with 1 service connections.
What type of violations does METALSTAMP, INC. have? ▼
METALSTAMP, INC. has 289 total violations: 4 health-based violations (MCL exceedances or treatment failures), 281 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in METALSTAMP, INC. water? ▼
No PFAS testing data is available for METALSTAMP, INC. under the EPA's UCMR5 monitoring program.
What water source does METALSTAMP, INC. use? ▼
METALSTAMP, INC. 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.

Explore PlainWater

Water in Indiana

All systems in state
All States

Water quality by state
Contaminants

PFAS & other pollutants
Guides

Understanding water quality

Related Data for Indiana

Environmental Data → Natural Hazards → Air Quality → Healthcare Access → Climate Data →
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.

Related

Browse all → | Rankings →
Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial