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Community Water System · PWS IN5265008

Poseyville Municipal Water Department

Poseyville, Indiana 47633 - drinking water served from groundwater sources to 1,400 people, tracked in EPA SDWIS and UCMR5.

1,400
People served
90
EPA violations
66
Health-based
Untested
UCMR5 result

The verdict

EPA records 90 drinking-water violations at Poseyville Municipal Water Department, 73% of them health-based - above the Indiana per-system average.

90
Total EPA violations on record
73%
Health-based (MCL / treatment failure)
1,400
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Poseyville Municipal Water Department

Poseyville Municipal Water Department is a local-owned community water system that delivers drinking water to 1,400 residents in Poseyville, Indiana (Posey County) through 560 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 90 total violations for this system , of which 66 (73%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 18 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 Nitrate, recorded in 64 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%).

Poseyville Municipal Water Department's 90 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
1,400
Total Violations
90
Health-Based Violations
66
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
560
County
Posey
School/Daycare
No
MCL Violations
66
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MCL 64 2024
Nitrate MR 8 2019
Lead and Copper Rule MR 4 2021
Revised Total Coliform Rule MON 4 2024
Consumer Confidence Rule Other 3 2023
Coliform (TCR) MCL 2 1994
Coliform (TCR) MR 1 1992
Gross Alpha, Excl. Radon and U MR 1 1980

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 Poseyville Municipal Water Department.

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 IN5265008 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 Poseyville Municipal Water Department 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 Nitrate MCL 64 SDWIS / IN5265008 / 1040
2024 Revised Total Coliform Rule MON 4 SDWIS / IN5265008 / 8000
2023 Consumer Confidence Rule Other 3 SDWIS / IN5265008 / 7000
2021 Lead and Copper Rule MR 4 SDWIS / IN5265008 / 5000
2019 Nitrate MR 8 SDWIS / IN5265008 / 1040
1994 Coliform (TCR) MCL 2 SDWIS / IN5265008 / 3100
1992 Coliform (TCR) MR 1 SDWIS / IN5265008 / 3100
1980 Gross Alpha, Excl. Radon and U MR 1 SDWIS / IN5265008 / 4000

How Poseyville Municipal Water Department Compares

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

Metric Poseyville Municipal Water Department Indiana avg Federal benchmark
Total violations 90 88.9 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 66 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 1,400 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 Poseyville Municipal Water Department water safe to drink? ▼
Poseyville Municipal Water Department (PWS ID: IN5265008) has 90 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,400 people using Groundwater sources.
How many people does Poseyville Municipal Water Department serve? ▼
Poseyville Municipal Water Department serves 1,400 people in Poseyville, Indiana. It is a Local-owned system using Groundwater water sources with 560 service connections.
What type of violations does Poseyville Municipal Water Department have? ▼
Poseyville Municipal Water Department has 90 total violations: 66 health-based violations (MCL exceedances or treatment failures), 18 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Poseyville Municipal Water Department water? ▼
No PFAS testing data is available for Poseyville Municipal Water Department under the EPA's UCMR5 monitoring program.
What water source does Poseyville Municipal Water Department use? ▼
Poseyville Municipal Water Department 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.
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.