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Community Water System · PWS KY0470990

Hardin Co. Water Dist #1/Ft. Knox

Radcliff, Kentucky 40601 - drinking water served from surface water sources to 23,600 people, tracked in EPA SDWIS and UCMR5.

23,600
People served
470
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 470 drinking-water violations at Hardin Co. Water Dist #1/Ft. Knox - above the Kentucky per-system average.

470
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
23,600
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Hardin Co. Water Dist #1/Ft. Knox

Hardin Co. Water Dist #1/Ft. Knox is a federal-owned community water system that delivers drinking water to 23,600 residents in Radcliff, Kentucky (Hardin County) through 2,753 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 470 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 334 monitoring and reporting violations are on file. The most recent violation on record dates to 2013.

The most frequently cited contaminant at this system is CARBON, TOTAL, recorded in 11 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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%).

Hardin Co. Water Dist #1/Ft. Knox's 470 violations sit above 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.

Population Served
23,600
Total Violations
470
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Federal
Connections
2,753
County
Hardin
School/Daycare
No
MCL Violations
0
Monitoring Violations
334
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
CARBON, TOTAL MR 11 2012
Carbon tetrachloride MR 8 2007
CHLOROBENZENE MR 8 2007
cis-1,2-Dichloroethylene MR 8 2007
DICHLOROMETHANE MR 8 2007
Ethylbenzene MR 8 2007
o-Dichlorobenzene MR 8 2007
p-Dichlorobenzene MR 8 2007
Styrene MR 8 2007
Tetrachloroethylene MR 8 2007
Trichloroethylene MR 8 2007
Toluene MR 8 2007
Vinyl chloride MR 8 2007
Xylenes, Total MR 8 2007
1,1-Dichloroethylene MR 8 2007
1,1,1-Trichloroethane MR 8 2007
1,2-Dichloroethane MR 8 2007
1,2-Dichloropropane MR 8 2007
1,2,4-Trichlorobenzene MR 8 2007
2,3,7,8-TCDD MR 8 2005
trans-1,2-Dichloroethylene MR 8 2007
1,1,2-Trichloroethane MR 8 2007
Benzene MR 8 2007
Coliform (TCR) MR 7 2006
Lead and Copper Rule MR 4 1993
Aldicarb MR 4 1999
Aldicarb sulfone MR 4 1999
Atrazine MR 4 1999
Carbofuran MR 4 1999
Di(2-ethylhexyl) adipate MR 4 1999

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFHpA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFBS 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpS 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
PFUnA 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
9Cl-PF3ONS 8/8/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeS 8/8/2023 <4.00 ppt 4.00 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
NFDHA 8/8/2023 <20.00 ppt 20.00 ppt Not Detected
PFMPA 8/8/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 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
PFBA 8/8/2023 <5.00 ppt 5.00 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
11Cl-PF3OUdS 8/8/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/8/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFOS 5/22/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/22/2023 <2.00 ppt 2.00 ppt Not Detected
PFBS 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 5/22/2023 <4.00 ppt 4.00 ppt Not Detected
PFHpS 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/22/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 5/22/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 5/22/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
PFNA 5/22/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 5/22/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 5/22/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 5/22/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 5/22/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 5/22/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 5/22/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 5/22/2023 <2.00 ppt 2.00 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 Hardin Co. Water Dist #1/Ft. Knox.

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 KY0470990 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
2013 Groundwater Rule MR 4 SDWIS / KY0470990 / 0700
2012 CARBON, TOTAL MR 11 SDWIS / KY0470990 / 2920
2007 Carbon tetrachloride MR 8 SDWIS / KY0470990 / 2982
2007 CHLOROBENZENE MR 8 SDWIS / KY0470990 / 2989
2007 cis-1,2-Dichloroethylene MR 8 SDWIS / KY0470990 / 2380
2007 DICHLOROMETHANE MR 8 SDWIS / KY0470990 / 2964
2007 Ethylbenzene MR 8 SDWIS / KY0470990 / 2992
2007 o-Dichlorobenzene MR 8 SDWIS / KY0470990 / 2968
2007 p-Dichlorobenzene MR 8 SDWIS / KY0470990 / 2969
2007 Styrene MR 8 SDWIS / KY0470990 / 2996
2007 Tetrachloroethylene MR 8 SDWIS / KY0470990 / 2987
2007 Trichloroethylene MR 8 SDWIS / KY0470990 / 2984
2007 Toluene MR 8 SDWIS / KY0470990 / 2991
2007 Vinyl chloride MR 8 SDWIS / KY0470990 / 2976
2007 Xylenes, Total MR 8 SDWIS / KY0470990 / 2955

How Hardin Co. Water Dist #1/Ft. Knox Compares

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

Metric Hardin Co. Water Dist #1/Ft. Knox Kentucky avg Federal benchmark
Total violations 470 189.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 29.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 46.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 23,600 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 Hardin Co. Water Dist #1/Ft. Knox water safe to drink? ▼
Hardin Co. Water Dist #1/Ft. Knox (PWS ID: KY0470990) has 470 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 23,600 people using Surface Water sources.
How many people does Hardin Co. Water Dist #1/Ft. Knox serve? ▼
Hardin Co. Water Dist #1/Ft. Knox serves 23,600 people in Radcliff, Kentucky. It is a Federal-owned system using Surface Water water sources with 2,753 service connections.
What type of violations does Hardin Co. Water Dist #1/Ft. Knox have? ▼
Hardin Co. Water Dist #1/Ft. Knox has 470 total violations: 0 health-based violations (MCL exceedances or treatment failures), 334 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Hardin Co. Water Dist #1/Ft. Knox water? ▼
No. Hardin Co. Water Dist #1/Ft. Knox was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Hardin Co. Water Dist #1/Ft. Knox use? ▼
Hardin Co. Water Dist #1/Ft. Knox 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.

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.