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Community Water System · PWS KY1060457

West Shelby Water District

Simpsonville, Kentucky 40067 - drinking water served from surface water sources to 6,994 people, tracked in EPA SDWIS and UCMR5.

6,994
People served
66
EPA violations
24
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 66 drinking-water violations at West Shelby Water District, 36% of them health-based - below the Kentucky per-system average, and UCMR5 testing detected 1 PFAS compound.

66
Total EPA violations on record
36%
Health-based (MCL / treatment failure)
6,994
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: West Shelby Water District

West Shelby Water District is a local-owned community water system that delivers drinking water to 6,994 residents in Simpsonville, Kentucky (Shelby County) through 2,600 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 66 total violations for this system , of which 24 (36%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 28 monitoring and reporting violations are on file. The most recent violation on record dates to 2017.

The most frequently cited contaminant at this system is Total Haloacetic Acids (HAA5), recorded in 20 violations (MCL, health-based). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 4.6 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Kentucky, EPA tracks 424 public water systems serving 4,570,541 people, with 80,482 cumulative violations and 12,554 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 189.8 violations. Statewide, 107 of 231 UCMR5-tested systems have reported PFAS detections (46.3%).

West Shelby Water District's 66 violations sit below the Kentucky average.

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
6,994
Total Violations
66
Health-Based Violations
24
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
2,600
County
Shelby
School/Daycare
No
MCL Violations
24
Monitoring Violations
28
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Total Haloacetic Acids (HAA5) MCL 20 2016
TTHM MR 8 2014
Public Notice Other 8 2017
Total Haloacetic Acids (HAA5) MR 8 2014
Asbestos MR 5 1993
Lead and Copper Rule MR 4 1999
Coliform (TCR) MCL 4 2014
Coliform (TCR) MR 3 1995
Consumer Confidence Rule Other 2 2005

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 174 samples detected PFAS.

Contaminant Date Result MRL Status
PFTA 9/8/2025 <8.00 ppt 8.00 ppt Not Detected
PFBA 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/8/2025 <20.00 ppt 20.00 ppt Not Detected
PFTrDA 9/8/2025 <7.00 ppt 7.00 ppt Not Detected
PFHpS 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
ADONA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/8/2025 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/8/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeS 9/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 9/8/2025 4.60 ppt 4.00 ppt Detected
PFOS 9/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 9/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/8/2025 <6.00 ppt 6.00 ppt Not Detected
PFOA 9/8/2025 4.40 ppt 4.00 ppt Detected
PFBA 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
ADONA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFDA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 9/8/2025 <2.00 ppt 2.00 ppt Not Detected
PFOS 9/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFNA 9/8/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFBS 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/8/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 9/8/2025 <5.00 ppt 5.00 ppt Not Detected
PFUnA 9/8/2025 <2.00 ppt 2.00 ppt Not Detected
PFTA 9/8/2025 <8.00 ppt 8.00 ppt Not Detected
4:2 FTS 9/8/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpS 9/8/2025 <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 West Shelby Water District.

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 KY1060457 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Kentucky Drinking Water Authority

Kentucky's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find KY regulator via EPA SDWIS

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
2017 Public Notice Other 8 SDWIS / KY1060457 / 7500
2016 Total Haloacetic Acids (HAA5) MCL 20 SDWIS / KY1060457 / 2456
2014 TTHM MR 8 SDWIS / KY1060457 / 2950
2014 Total Haloacetic Acids (HAA5) MR 8 SDWIS / KY1060457 / 2456
2014 Coliform (TCR) MCL 4 SDWIS / KY1060457 / 3100
2005 Consumer Confidence Rule Other 2 SDWIS / KY1060457 / 7000
1999 Lead and Copper Rule MR 4 SDWIS / KY1060457 / 5000
1995 Coliform (TCR) MR 3 SDWIS / KY1060457 / 3100
1993 Asbestos MR 5 SDWIS / KY1060457 / 1094

How West Shelby Water District Compares

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

Metric West Shelby Water District Kentucky avg Federal benchmark
Total violations 66 189.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 24 29.6 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 46.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 6,994 10,780 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 424 regulated public water systems in Kentucky.

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 West Shelby Water District water safe to drink?
West Shelby Water District (PWS ID: KY1060457) has 66 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 6,994 people using Surface Water sources.
How many people does West Shelby Water District serve?
West Shelby Water District serves 6,994 people in Simpsonville, Kentucky. It is a Local-owned system using Surface Water water sources with 2,600 service connections.
What type of violations does West Shelby Water District have?
West Shelby Water District has 66 total violations: 24 health-based violations (MCL exceedances or treatment failures), 28 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in West Shelby Water District water?
Yes. UCMR5 testing detected 1 PFAS compound in West Shelby Water District's water supply: PFOA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does West Shelby Water District use?
West Shelby Water District 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.