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Community Water System · PWS KY0540138

North Hopkins Water District

Madisonville, Kentucky 42431 - drinking water served from surface water sources to 3,725 people, tracked in EPA SDWIS and UCMR5.

3,725
People served
113
EPA violations
74
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 113 drinking-water violations at North Hopkins Water District, 65% of them health-based - below the Kentucky per-system average, and UCMR5 testing detected 1 PFAS compound.

113
Total EPA violations on record
65%
Health-based (MCL / treatment failure)
3,725
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: North Hopkins Water District

North Hopkins Water District is a local-owned community water system that delivers drinking water to 3,725 residents in Madisonville, Kentucky (Hopkins County) through 1,389 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 113 total violations for this system , of which 74 (65%) 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 2023.

The most frequently cited contaminant at this system is TTHM, recorded in 64 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 6.3 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%).

North Hopkins Water District's 113 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
3,725
Total Violations
113
Health-Based Violations
74
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
1,389
County
Hopkins
School/Daycare
No
MCL Violations
74
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
TTHM MCL 64 2017
Public Notice Other 12 2017
Total Haloacetic Acids (HAA5) MCL 10 2016
Consumer Confidence Rule Other 9 2023
Surface Water Treatment Rule MR 5 2015
TTHM MR 5 2014
Lead and Copper Rule MR 4 2006
Coliform (TCR) MR 4 2000

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 232 samples detected PFAS.

Contaminant Date Result MRL Status
ADONA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 9/10/2024 <6.00 ppt 6.00 ppt Not Detected
PFBS 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHpA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxS 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFNA 9/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFOS 9/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFOA 9/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFDA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFDoA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFHxA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/10/2024 <2.00 ppt 2.00 ppt Not Detected
PFTrDA 9/10/2024 <7.00 ppt 7.00 ppt Not Detected
9Cl-PF3ONS 9/10/2024 <2.00 ppt 2.00 ppt Not Detected
PFTA 9/10/2024 <8.00 ppt 8.00 ppt Not Detected
HFPO-DA 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFBA 9/10/2024 6.30 ppt 5.00 ppt Detected
6:2 FTS 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFMBA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
NFDHA 9/10/2024 <20.00 ppt 20.00 ppt Not Detected
PFPeS 9/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFUnA 9/10/2024 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 9/10/2024 <2.00 ppt 2.00 ppt Not Detected
ADONA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 9/10/2024 <4.00 ppt 4.00 ppt Not Detected
PFHpS 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 9/10/2024 <4.00 ppt 4.00 ppt Not Detected
NFDHA 9/10/2024 <20.00 ppt 20.00 ppt Not Detected
PFEESA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFBA 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFMBA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
PFTA 9/10/2024 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 9/10/2024 <7.00 ppt 7.00 ppt Not Detected
PFPeA 9/10/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 9/10/2024 <5.00 ppt 5.00 ppt Not Detected
PFBS 9/10/2024 <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 North Hopkins 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 KY0540138 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
2023 Consumer Confidence Rule Other 9 SDWIS / KY0540138 / 7000
2017 TTHM MCL 64 SDWIS / KY0540138 / 2950
2017 Public Notice Other 12 SDWIS / KY0540138 / 7500
2016 Total Haloacetic Acids (HAA5) MCL 10 SDWIS / KY0540138 / 2456
2015 Surface Water Treatment Rule MR 5 SDWIS / KY0540138 / 0200
2014 TTHM MR 5 SDWIS / KY0540138 / 2950
2006 Lead and Copper Rule MR 4 SDWIS / KY0540138 / 5000
2000 Coliform (TCR) MR 4 SDWIS / KY0540138 / 3100

How North Hopkins Water District Compares

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

Metric North Hopkins Water District Kentucky avg Federal benchmark
Total violations 113 189.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 74 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 3,725 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 North Hopkins Water District water safe to drink?
North Hopkins Water District (PWS ID: KY0540138) has 113 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 3,725 people using Surface Water sources.
How many people does North Hopkins Water District serve?
North Hopkins Water District serves 3,725 people in Madisonville, Kentucky. It is a Local-owned system using Surface Water water sources with 1,389 service connections.
What type of violations does North Hopkins Water District have?
North Hopkins Water District has 113 total violations: 74 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 North Hopkins Water District water?
Yes. UCMR5 testing detected 1 PFAS compound in North Hopkins Water District's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does North Hopkins Water District use?
North Hopkins 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.