PlainWater

Community Water System · PWS KY1070398

Simpson County Water District

Bowling Green, Kentucky 42102 - drinking water served from surface water sources to 8,946 people, tracked in EPA SDWIS and UCMR5.

8,946
People served
35
EPA violations
17
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 35 drinking-water violations at Simpson County Water District, 49% of them health-based - below the Kentucky per-system average, and UCMR5 testing detected 1 PFAS compound.

35
Total EPA violations on record
49%
Health-based (MCL / treatment failure)
8,946
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Simpson County Water District

Simpson County Water District is a local-owned community water system that delivers drinking water to 8,946 residents in Bowling Green, Kentucky (Simpson County) through 3,620 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 35 total violations for this system , of which 17 (49%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 11 monitoring and reporting violations are on file. The most recent violation on record dates to 2019.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 16 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 27.2 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%).

Simpson County Water District's 35 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
8,946
Total Violations
35
Health-Based Violations
17
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,620
County
Simpson
School/Daycare
No
MCL Violations
17
Monitoring Violations
11
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 16 2006
Coliform (TCR) MR 8 2006
Consumer Confidence Rule Other 6 2019
Asbestos MR 3 1993
Asbestos MCL 1 2001

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFDA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
HFPO-DA 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 8/8/2023 <7.00 ppt 7.00 ppt Not Detected
PFBS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 8/8/2023 <6.00 ppt 6.00 ppt Not Detected
PFDoA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 8/8/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/8/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/3/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
PFHxA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFBA 5/3/2023 27.20 ppt 5.00 ppt Detected
PFNA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 5/3/2023 <2.00 ppt 2.00 ppt Not Detected
PFHpA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/3/2023 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 5/3/2023 <7.00 ppt 7.00 ppt Not Detected
PFTA 5/3/2023 <8.00 ppt 8.00 ppt Not Detected
PFBS 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 5/3/2023 <20.00 ppt 20.00 ppt Not Detected
PFDoA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/3/2023 <5.00 ppt 5.00 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 Simpson County 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 KY1070398 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
2019 Consumer Confidence Rule Other 6 SDWIS / KY1070398 / 7000
2006 Coliform (TCR) MCL 16 SDWIS / KY1070398 / 3100
2006 Coliform (TCR) MR 8 SDWIS / KY1070398 / 3100
2001 Asbestos MCL 1 SDWIS / KY1070398 / 1094
1993 Asbestos MR 3 SDWIS / KY1070398 / 1094

How Simpson County Water District Compares

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

Metric Simpson County Water District Kentucky avg Federal benchmark
Total violations 35 189.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 17 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 8,946 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 Simpson County Water District water safe to drink?
Simpson County Water District (PWS ID: KY1070398) has 35 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 8,946 people using Surface Water sources.
How many people does Simpson County Water District serve?
Simpson County Water District serves 8,946 people in Bowling Green, Kentucky. It is a Local-owned system using Surface Water water sources with 3,620 service connections.
What type of violations does Simpson County Water District have?
Simpson County Water District has 35 total violations: 17 health-based violations (MCL exceedances or treatment failures), 11 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Simpson County Water District water?
Yes. UCMR5 testing detected 1 PFAS compound in Simpson County Water District's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Simpson County Water District use?
Simpson County 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.