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Community Water System · PWS IN5253004

Ellettsville Water Works

Ellettsville, Indiana 47429 - drinking water served from surface water sources to 14,500 people, tracked in EPA SDWIS and UCMR5.

14,500
People served
53
EPA violations
25
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 53 drinking-water violations at Ellettsville Water Works, 47% of them health-based - below the Indiana per-system average.

53
Total EPA violations on record
47%
Health-based (MCL / treatment failure)
14,500
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ellettsville Water Works

Ellettsville Water Works is a local-owned community water system that delivers drinking water to 14,500 residents in Ellettsville, Indiana (Monroe County) through 5,857 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 53 total violations for this system , of which 25 (47%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 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 Total Haloacetic Acids (HAA5), recorded in 21 violations (MCL, health-based). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 93 of 229 UCMR5-tested systems have reported PFAS detections (40.6%).

Ellettsville Water Works's 53 violations sit below the Indiana 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
14,500
Total Violations
53
Health-Based Violations
25
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
5,857
County
Monroe
School/Daycare
No
MCL Violations
25
Monitoring Violations
8
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 21 2016
Consumer Confidence Rule Other 7 2024
Coliform (TCR) MR 7 1999
Coliform (TCR) MCL 4 1994
Lead and Copper Rule MR 1 1993

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
6:2 FTS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 7/15/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeS 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 7/15/2024 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
8:2 FTS 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFDA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
NMeFOSAA 7/15/2024 <6.00 ppt 6.00 ppt Not Detected
PFOA 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 7/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 7/15/2024 <2.00 ppt 2.00 ppt Not Detected
NEtFOSAA 7/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 7/15/2024 <7.00 ppt 7.00 ppt Not Detected
PFTA 7/15/2024 <8.00 ppt 8.00 ppt Not Detected
PFOS 7/15/2024 <4.00 ppt 4.00 ppt Not Detected
8:2 FTS 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 4/15/2024 <5.00 ppt 5.00 ppt Not Detected
ADONA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 4/15/2024 <2.00 ppt 2.00 ppt Not Detected
4:2 FTS 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 4/15/2024 <2.00 ppt 2.00 ppt Not Detected
PFHxA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFDA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFOA 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFNA 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFHxS 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFMPA 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeS 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 4/15/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 4/15/2024 <3.00 ppt 3.00 ppt Not Detected
PFBS 4/15/2024 <3.00 ppt 3.00 ppt 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 Ellettsville 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 IN5253004 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 Ellettsville 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
2024 Consumer Confidence Rule Other 7 SDWIS / IN5253004 / 7000
2016 Total Haloacetic Acids (HAA5) MCL 21 SDWIS / IN5253004 / 2456
1999 Coliform (TCR) MR 7 SDWIS / IN5253004 / 3100
1994 Coliform (TCR) MCL 4 SDWIS / IN5253004 / 3100
1993 Lead and Copper Rule MR 1 SDWIS / IN5253004 / 5000

How Ellettsville Water Works Compares

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

Metric Ellettsville Water Works Indiana avg Federal benchmark
Total violations 53 88.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 25 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 14,500 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 (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 Ellettsville Water Works water safe to drink?
Ellettsville Water Works (PWS ID: IN5253004) has 53 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 14,500 people using Surface Water sources.
How many people does Ellettsville Water Works serve?
Ellettsville Water Works serves 14,500 people in Ellettsville, Indiana. It is a Local-owned system using Surface Water water sources with 5,857 service connections.
What type of violations does Ellettsville Water Works have?
Ellettsville Water Works has 53 total violations: 25 health-based violations (MCL exceedances or treatment failures), 8 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ellettsville Water Works water?
No. Ellettsville Water Works was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Ellettsville Water Works use?
Ellettsville Water Works uses Surface Water 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.
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.
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.