INDIANA AMERICAN WATER - CHARLESTOWN

Q: Is INDIANA AMERICAN WATER - CHARLESTOWN water safe to drink?

INDIANA AMERICAN WATER - CHARLESTOWN (PWS ID: IN5210003) has 84 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 8,658 people using Groundwater sources.

Q: What type of violations does INDIANA AMERICAN WATER - CHARLESTOWN have?

INDIANA AMERICAN WATER - CHARLESTOWN has 84 total violations: 6 health-based violations (MCL exceedances or treatment failures), 57 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Q: Has PFAS been detected in INDIANA AMERICAN WATER - CHARLESTOWN water?

Yes. UCMR5 testing detected 1 PFAS compound in INDIANA AMERICAN WATER - CHARLESTOWN's water supply: PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.

Q: What water source does INDIANA AMERICAN WATER - CHARLESTOWN use?

INDIANA AMERICAN WATER - CHARLESTOWN uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.

Q: 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.

Reviewed byPlainWater Editorial, Drinking Water Quality Editorial Team · June 4, 2026

PWS ID: IN5210003 · GREENWOOD, Indiana 46143

INDIANA AMERICAN WATER - CHARLESTOWN serves 8,658 people in GREENWOOD, Indiana using Groundwater water sources. It has 84 recorded EPA violations, including 6 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).

Water Quality Snapshot: INDIANA AMERICAN WATER - CHARLESTOWN

INDIANA AMERICAN WATER - CHARLESTOWN is a local-owned community water system that delivers drinking water to 8,658 residents in GREENWOOD, Indiana (Clark County) through 3,463 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 84 total violations for this system , of which 6 (7%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 57 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 17 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 0.0134 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

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. INDIANA AMERICAN WATER - CHARLESTOWN's 84 violations sit below 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.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served

8,658

Total Violations

Health-Based Violations

Water Source

Groundwater

System Details

System Type: Community
Owner Type: Local
Connections: 3,463
County: Clark
School/Daycare: No
MCL Violations: 3
Monitoring Violations: 57
Treatment Tech Violations: 3

Violation History

Contaminant violations recorded by EPA.

Contaminant	Category	Count	Latest
Coliform (TCR)	MR	17	2014
Consumer Confidence Rule	Other	8	2009
Lead and Copper Rule	MR	7	1997
Nitrate	MR	7	2007
E. COLI	MR	4	2016
Coliform (TCR)	MCL	3	2003
Revised Total Coliform Rule	RPT	3	2016
Revised Total Coliform Rule	TT	3	2016
Trichloroethylene	MR	1	1997
Tetrachloroethylene	MR	1	1997
CHLOROBENZENE	MR	1	1997
Styrene	MR	1	1997
cis-1,2-Dichloroethylene	MR	1	1997
DICHLOROMETHANE	MR	1	1997
Gross Alpha, Excl. Radon and U	MR	1	1980
Benzene	MR	1	1997
o-Dichlorobenzene	MR	1	1997
Carbon tetrachloride	MR	1	1997
1,2,4-Trichlorobenzene	MR	1	1997
Xylenes, Total	MR	1	1997
trans-1,2-Dichloroethylene	MR	1	1997
1,1,2-Trichloroethane	MR	1	1997
1,2-Dichloroethane	MR	1	1997
p-Dichlorobenzene	MR	1	1997
1,1-Dichloroethylene	MR	1	1997
Toluene	MR	1	1997
Vinyl chloride	MR	1	1997
1,2-Dichloropropane	MR	1	1997
Ethylbenzene	MR	1	1997
1,1,1-Trichloroethane	MR	1	1997

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.

Contaminant	Date	Result	MRL	Status
PFTrDA	7/25/2023	<0.007 µg/L	0.007 µg/L	Not Detected
NMeFOSAA	7/25/2023	<0.006 µg/L	0.006 µg/L	Not Detected
NEtFOSAA	7/25/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFTA	7/25/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFHxA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	6/6/2023	0.0134 µg/L	0.004 µg/L	Detected
PFOS	6/6/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFNA	6/6/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFHxS	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBS	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
9Cl-PF3ONS	6/6/2023	<0.002 µg/L	0.002 µg/L	Not Detected
PFUnA	6/6/2023	<0.002 µg/L	0.002 µg/L	Not Detected
lithium	6/6/2023	<9 µg/L	9 µg/L	Not Detected
PFMBA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
HFPO-DA	6/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
ADONA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFHpS	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFPeS	6/6/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFEESA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	6/6/2023	<0.02 µg/L	0.02 µg/L	Not Detected
PFPeA	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFMPA	6/6/2023	<0.004 µg/L	0.004 µg/L	Not Detected
8:2 FTS	6/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
4:2 FTS	6/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
6:2 FTS	6/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBA	6/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
11Cl-PF3OUdS	6/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFPeS	12/6/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFEESA	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
NFDHA	12/6/2023	<0.02 µg/L	0.02 µg/L	Not Detected
PFHpS	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFOA	12/6/2023	0.0128 µg/L	0.004 µg/L	Detected
HFPO-DA	12/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFBS	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
ADONA	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFBA	12/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
NMeFOSAA	12/6/2023	<0.006 µg/L	0.006 µg/L	Not Detected
NEtFOSAA	12/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFNA	12/6/2023	<0.004 µg/L	0.004 µg/L	Not Detected
PFTA	12/6/2023	<0.008 µg/L	0.008 µg/L	Not Detected
PFMBA	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
9Cl-PF3ONS	12/6/2023	<0.002 µg/L	0.002 µg/L	Not Detected
11Cl-PF3OUdS	12/6/2023	<0.005 µg/L	0.005 µg/L	Not Detected
PFUnA	12/6/2023	<0.002 µg/L	0.002 µg/L	Not Detected
PFHxA	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
PFDoA	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected
4:2 FTS	12/6/2023	<0.003 µg/L	0.003 µg/L	Not Detected

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 INDIANA AMERICAN WATER - CHARLESTOWN.

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 IN5210003 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 INDIANA AMERICAN WATER - CHARLESTOWN 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
2016	E. COLI	MR	4	SDWIS / IN5210003 / 3014
2016	Revised Total Coliform Rule	RPT	3	SDWIS / IN5210003 / 8000
2016	Revised Total Coliform Rule	TT	3	SDWIS / IN5210003 / 8000
2014	Coliform (TCR)	MR	17	SDWIS / IN5210003 / 3100
2009	Consumer Confidence Rule	Other	8	SDWIS / IN5210003 / 7000
2007	Nitrate	MR	7	SDWIS / IN5210003 / 1040
2003	Coliform (TCR)	MCL	3	SDWIS / IN5210003 / 3100
1997	Lead and Copper Rule	MR	7	SDWIS / IN5210003 / 5000
1997	Trichloroethylene	MR	1	SDWIS / IN5210003 / 2984
1997	Tetrachloroethylene	MR	1	SDWIS / IN5210003 / 2987
1997	CHLOROBENZENE	MR	1	SDWIS / IN5210003 / 2989
1997	Styrene	MR	1	SDWIS / IN5210003 / 2996
1997	cis-1,2-Dichloroethylene	MR	1	SDWIS / IN5210003 / 2380
1997	DICHLOROMETHANE	MR	1	SDWIS / IN5210003 / 2964
1997	Benzene	MR	1	SDWIS / IN5210003 / 2990

How INDIANA AMERICAN WATER - CHARLESTOWN Compares

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

Metric	INDIANA AMERICAN WATER - CHARLESTOWN	Indiana avg	Federal benchmark
Total violations	84	88.9	SDWA compliance — any non-zero count is a recorded breach
Health-based violations	6	9.1	Indicates a contaminant exceeded a federal MCL
PFAS detection	1 compound	40.6%	EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served	8,658	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 INDIANA AMERICAN WATER - CHARLESTOWN water safe to drink? ▼

INDIANA AMERICAN WATER - CHARLESTOWN (PWS ID: IN5210003) has 84 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 8,658 people using Groundwater sources.

How many people does INDIANA AMERICAN WATER - CHARLESTOWN serve? ▼

INDIANA AMERICAN WATER - CHARLESTOWN serves 8,658 people in GREENWOOD, Indiana. It is a Local-owned system using Groundwater water sources with 3,463 service connections.

What type of violations does INDIANA AMERICAN WATER - CHARLESTOWN have? ▼

INDIANA AMERICAN WATER - CHARLESTOWN has 84 total violations: 6 health-based violations (MCL exceedances or treatment failures), 57 monitoring/reporting violations, and 3 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.

Has PFAS been detected in INDIANA AMERICAN WATER - CHARLESTOWN water? ▼

Yes. UCMR5 testing detected 1 PFAS compound in INDIANA AMERICAN WATER - CHARLESTOWN's water supply: PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.

What water source does INDIANA AMERICAN WATER - CHARLESTOWN use? ▼

INDIANA AMERICAN WATER - CHARLESTOWN 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

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