PlainWater

Non-Transient Non-Community Water System · PWS KY0512406

Century Aluminum Sebree LLC

Robards, Kentucky 42452 - drinking water served from surface water sources to 600 people, tracked in EPA SDWIS and UCMR5.

600
People served
450
EPA violations
12
Health-based
Untested
UCMR5 result

The verdict

EPA records 450 drinking-water violations at Century Aluminum Sebree LLC, 3% of them health-based - above the Kentucky per-system average.

450
Total EPA violations on record
3%
Health-based (MCL / treatment failure)
600
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Century Aluminum Sebree LLC

Century Aluminum Sebree LLC is a private-owned non-transient non-community water system that delivers drinking water to 600 residents in Robards, Kentucky (Henderson County) through 8 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 450 total violations for this system , of which 12 (3%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 250 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 Coliform (TCR), recorded in 24 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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%).

Century Aluminum Sebree LLC's 450 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
600
Total Violations
450
Health-Based Violations
12
Water Source
Surface Water

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
8
County
Henderson
School/Daycare
No
MCL Violations
0
Monitoring Violations
250
Treatment Tech Violations
12

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 24 2011
trans-1,2-Dichloroethylene MR 8 2002
1,2-Dichloroethane MR 8 2002
Carbon tetrachloride MR 8 2002
1,2-Dichloropropane MR 8 2002
Tetrachloroethylene MR 8 2002
Ethylbenzene MR 8 2002
2,3,7,8-TCDD MR 8 2008
cis-1,2-Dichloroethylene MR 8 2002
Xylenes, Total MR 8 2002
o-Dichlorobenzene MR 8 2002
p-Dichlorobenzene MR 8 2002
Vinyl chloride MR 8 2002
1,1-Dichloroethylene MR 8 2002
Trichloroethylene MR 8 2002
1,1,2-Trichloroethane MR 8 2002
CHLOROBENZENE MR 8 2002
TTHM MR 8 2008
Total Haloacetic Acids (HAA5) MR 8 2008
Interim Enhanced Surface Water Treatment Rule TT 8 2021
Nitrate MR 8 1994
1,2,4-Trichlorobenzene MR 8 2002
DICHLOROMETHANE MR 8 2002
1,1,1-Trichloroethane MR 8 2002
Benzene MR 8 2002
Styrene MR 8 2002
Toluene MR 8 2002
CARBON, TOTAL MR 7 2004
Lead and Copper Rule MR 7 1998
Asbestos MR 4 1993

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 Century Aluminum Sebree LLC.

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 KY0512406 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
2024 LEAD AND COPPER RULE REVISIONS RPT 4 SDWIS / KY0512406 / 5200
2021 Interim Enhanced Surface Water Treatment Rule TT 8 SDWIS / KY0512406 / 0300
2011 Coliform (TCR) MR 24 SDWIS / KY0512406 / 3100
2008 2,3,7,8-TCDD MR 8 SDWIS / KY0512406 / 2063
2008 TTHM MR 8 SDWIS / KY0512406 / 2950
2008 Total Haloacetic Acids (HAA5) MR 8 SDWIS / KY0512406 / 2456
2005 ETHYLENE DIBROMIDE MR 4 SDWIS / KY0512406 / 2946
2005 1,2-DIBROMO-3-CHLOROPROPANE MR 4 SDWIS / KY0512406 / 2931
2004 CARBON, TOTAL MR 7 SDWIS / KY0512406 / 2920
2002 trans-1,2-Dichloroethylene MR 8 SDWIS / KY0512406 / 2979
2002 1,2-Dichloroethane MR 8 SDWIS / KY0512406 / 2980
2002 Carbon tetrachloride MR 8 SDWIS / KY0512406 / 2982
2002 1,2-Dichloropropane MR 8 SDWIS / KY0512406 / 2983
2002 Tetrachloroethylene MR 8 SDWIS / KY0512406 / 2987
2002 Ethylbenzene MR 8 SDWIS / KY0512406 / 2992

How Century Aluminum Sebree LLC Compares

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

Metric Century Aluminum Sebree LLC Kentucky avg Federal benchmark
Total violations 450 189.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 12 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 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 Century Aluminum Sebree LLC water safe to drink?
Century Aluminum Sebree LLC (PWS ID: KY0512406) has 450 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 600 people using Surface Water sources.
How many people does Century Aluminum Sebree LLC serve?
Century Aluminum Sebree LLC serves 600 people in Robards, Kentucky. It is a Private-owned system using Surface Water water sources with 8 service connections.
What type of violations does Century Aluminum Sebree LLC have?
Century Aluminum Sebree LLC has 450 total violations: 12 health-based violations (MCL exceedances or treatment failures), 250 monitoring/reporting violations, and 12 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Century Aluminum Sebree LLC water?
No PFAS testing data is available for Century Aluminum Sebree LLC under the EPA's UCMR5 monitoring program.
What water source does Century Aluminum Sebree LLC use?
Century Aluminum Sebree LLC uses Surface Water as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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.
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.