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Community Water System · PWS IN5287006

Lynnville Water Works

Lynnville, Indiana 47619 - drinking water served from surface water sources to 1,200 people, tracked in EPA SDWIS and UCMR5.

1,200
People served
185
EPA violations
89
Health-based
Untested
UCMR5 result

The verdict

EPA records 185 drinking-water violations at Lynnville Water Works, 48% of them health-based - above the Indiana per-system average.

185
Total EPA violations on record
48%
Health-based (MCL / treatment failure)
1,200
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Lynnville Water Works

Lynnville Water Works is a local-owned community water system that delivers drinking water to 1,200 residents in Lynnville, Indiana (Warrick County) through 480 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 185 total violations for this system , of which 89 (48%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 75 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 68 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. Statewide, 93 of 229 UCMR5-tested systems have reported PFAS detections (40.6%).

Lynnville Water Works's 185 violations sit above 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
1,200
Total Violations
185
Health-Based Violations
89
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
480
County
Warrick
School/Daycare
No
MCL Violations
68
Monitoring Violations
75
Treatment Tech Violations
21

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 68 2024
Coliform (TCR) MR 24 2003
Surface Water Treatment Rule TT 19 1994
Consumer Confidence Rule Other 15 2024
Nitrate MR 7 1998
TTHM MR 5 2014
Total Haloacetic Acids (HAA5) MR 5 2014
Lead and Copper Rule MR 4 2024
Chromium MR 3 1981
Cadmium MR 3 1981
Dalapon MR 3 1994
Fluoride MR 3 1981
Mercury MR 3 1981
Selenium MR 3 1981
Arsenic MR 3 1981
Barium MR 3 1981
Lead and Copper Rule TT 2 2024
BHC-GAMMA MR 1 1978
Toxaphene MR 1 1978
Endrin MR 1 1978
Methoxychlor MR 1 1978
2,4-D MR 1 1978
2,4,5-TP MR 1 1978

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 Lynnville 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 IN5287006 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 Lynnville 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 Total Haloacetic Acids (HAA5) MCL 68 SDWIS / IN5287006 / 2456
2024 Consumer Confidence Rule Other 15 SDWIS / IN5287006 / 7000
2024 Lead and Copper Rule MR 4 SDWIS / IN5287006 / 5000
2024 Lead and Copper Rule TT 2 SDWIS / IN5287006 / 5000
2014 TTHM MR 5 SDWIS / IN5287006 / 2950
2014 Total Haloacetic Acids (HAA5) MR 5 SDWIS / IN5287006 / 2456
2003 Coliform (TCR) MR 24 SDWIS / IN5287006 / 3100
1998 Nitrate MR 7 SDWIS / IN5287006 / 1040
1994 Surface Water Treatment Rule TT 19 SDWIS / IN5287006 / 0200
1994 Dalapon MR 3 SDWIS / IN5287006 / 2031
1981 Chromium MR 3 SDWIS / IN5287006 / 1020
1981 Cadmium MR 3 SDWIS / IN5287006 / 1015
1981 Fluoride MR 3 SDWIS / IN5287006 / 1025
1981 Mercury MR 3 SDWIS / IN5287006 / 1035
1981 Selenium MR 3 SDWIS / IN5287006 / 1045

How Lynnville Water Works Compares

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

Metric Lynnville Water Works Indiana avg Federal benchmark
Total violations 185 88.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 89 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 1,200 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 Lynnville Water Works water safe to drink? ▼
Lynnville Water Works (PWS ID: IN5287006) has 185 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,200 people using Surface Water sources.
How many people does Lynnville Water Works serve? ▼
Lynnville Water Works serves 1,200 people in Lynnville, Indiana. It is a Local-owned system using Surface Water water sources with 480 service connections.
What type of violations does Lynnville Water Works have? ▼
Lynnville Water Works has 185 total violations: 89 health-based violations (MCL exceedances or treatment failures), 75 monitoring/reporting violations, and 21 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Lynnville Water Works water? ▼
No PFAS testing data is available for Lynnville Water Works under the EPA's UCMR5 monitoring program.
What water source does Lynnville Water Works use? ▼
Lynnville 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. This data is provided for informational purposes only.

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

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.