PlainWater
States → Indiana

MARSHALL WATER WORKS

PWS ID: IN5261003 · MARSHALL, Indiana 47859

MARSHALL WATER WORKS serves 330 people in MARSHALL, Indiana using Groundwater water sources. It has 886 recorded EPA violations, including 646 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: MARSHALL WATER WORKS

MARSHALL WATER WORKS is a local-owned community water system that delivers drinking water to 330 residents in MARSHALL, Indiana (Parke County) through 155 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 886 total violations for this system , of which 646 (73%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 226 monitoring and reporting violations are on file. The most recent violation on record dates to 2014.

The most frequently cited contaminant at this system is Barium, recorded in 479 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. MARSHALL WATER WORKS's 886 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
330
Total Violations
886
Health-Based Violations
646
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
155
County
Parke
School/Daycare
No
MCL Violations
646
Monitoring Violations
226
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Barium MCL 479 2006
Combined Radium (-226 and -228) MCL 160 2005
Coliform (TCR) MR 31 2011
Atrazine MR 14 2001
Simazine MR 14 2001
LASSO MR 14 2001
2,4-D MR 14 2001
Consumer Confidence Rule Other 13 2010
Barium MR 12 2007
Nitrate MR 12 2007
Dinoseb MR 8 2006
TTHM MR 7 2014
Coliform (TCR) MCL 4 2004
Endrin MR 4 2001
BHC-GAMMA MR 4 2001
Dalapon MR 4 2001
Endothall MR 4 2001
OXAMYL MR 4 2001
Di(2-ethylhexyl) phthalate MR 4 2001
Picloram MR 4 2001
Hexachlorocyclopentadiene MR 4 2001
Carbofuran MR 4 2001
Heptachlor epoxide MR 4 2001
2,4,5-TP MR 4 2001
HEXACHLOROBENZENE MR 4 2001
Pentachlorophenol MR 4 2001
1,2-DIBROMO-3-CHLOROPROPANE MR 4 2001
ETHYLENE DIBROMIDE MR 4 2001
Chlordane MR 4 2001
Heptachlor MR 4 2001

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 MARSHALL WATER WORKS.

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 IN5261003 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 MARSHALL WATER WORKS 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
2014 TTHM MR 7 SDWIS / IN5261003 / 2950
2014 Total Haloacetic Acids (HAA5) MR 4 SDWIS / IN5261003 / 2456
2011 Coliform (TCR) MR 31 SDWIS / IN5261003 / 3100
2010 Consumer Confidence Rule Other 13 SDWIS / IN5261003 / 7000
2008 Lead and Copper Rule MR 3 SDWIS / IN5261003 / 5000
2007 Barium MR 12 SDWIS / IN5261003 / 1010
2007 Nitrate MR 12 SDWIS / IN5261003 / 1040
2006 Barium MCL 479 SDWIS / IN5261003 / 1010
2006 Dinoseb MR 8 SDWIS / IN5261003 / 2041
2005 Combined Radium (-226 and -228) MCL 160 SDWIS / IN5261003 / 4010
2004 Coliform (TCR) MCL 4 SDWIS / IN5261003 / 3100
2001 Atrazine MR 14 SDWIS / IN5261003 / 2050
2001 Simazine MR 14 SDWIS / IN5261003 / 2037
2001 LASSO MR 14 SDWIS / IN5261003 / 2051
2001 2,4-D MR 14 SDWIS / IN5261003 / 2105

How MARSHALL WATER WORKS Compares

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

Metric MARSHALL WATER WORKS Indiana avg Federal benchmark
Total violations 886 88.9 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 646 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 330 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 MARSHALL WATER WORKS water safe to drink? ▼
MARSHALL WATER WORKS (PWS ID: IN5261003) has 886 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 330 people using Groundwater sources.
How many people does MARSHALL WATER WORKS serve? ▼
MARSHALL WATER WORKS serves 330 people in MARSHALL, Indiana. It is a Local-owned system using Groundwater water sources with 155 service connections.
What type of violations does MARSHALL WATER WORKS have? ▼
MARSHALL WATER WORKS has 886 total violations: 646 health-based violations (MCL exceedances or treatment failures), 226 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in MARSHALL WATER WORKS water? ▼
No PFAS testing data is available for MARSHALL WATER WORKS under the EPA's UCMR5 monitoring program.
What water source does MARSHALL WATER WORKS use? ▼
MARSHALL WATER WORKS 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.

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