Public water system · KY0512406
ActiveCentury Aluminum Sebree LLC
At a glance
Century Aluminum Sebree LLC (PWSID KY0512406) is an active non-transient non-community water system in Henderson County, Kentucky. It reports serving 600 people through 8 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
600
Service connections
8
Primary source
SW
Surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Century Aluminum Sebree LLC compare with other water systems in Henderson County?
By EPA's size categories, Century Aluminum Sebree LLC is a small system (501 to 3,300 people). Henderson County has 6 active public water systems, and Century Aluminum Sebree LLC is the 4th-largest of them by population served. Its population served is well below the county average of 8,555 people per system, and accounts for 1.2% of the 51,331 people reported by systems filed under the county. Across Kentucky, the 437 active systems average 11,699 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Century Aluminum Sebree LLC is about 40% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Kentucky has 16 active non-transient non-community water systems, 3.7% of the state's 437 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 135 Kentucky systems (31%) list surface water as their primary source.
Who owns and regulates Century Aluminum Sebree LLC?
EPA lists Century Aluminum Sebree LLC as privately owned. The KY state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 3 of the 6 active systems in Henderson County (50%) are also privately owned.
Does Century Aluminum Sebree LLC have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2024. The violations listed here began between January 2004 and October 2024. By type: 9 monitoring and reporting, 2 required treatment not met and 1 reporting. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (2 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2021-03-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2021-03-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2011-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,3,7,8-TCDD (dioxin)code 2063 | No | Resolved |
| 2005-10-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dibromo-3-chloropropane (DBCP)code 2931 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylene dibromide (EDB)code 2946 | No | Resolved |
| 2004-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Century Aluminum Sebree LLC: frequently asked questions
Who runs Century Aluminum Sebree LLC?
Century Aluminum Sebree LLC (PWSID KY0512406) is a non-transient non-community water system privately owned. It is regulated by the KY state drinking water program.
How many people does Century Aluminum Sebree LLC serve?
Century Aluminum Sebree LLC reports serving 600 people through 8 service connections in Henderson County, Kentucky.
Where does Century Aluminum Sebree LLC get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Century Aluminum Sebree LLC have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Century Aluminum Sebree LLC's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the KY state drinking water program.
Where can I find Century Aluminum Sebree LLC's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Century Aluminum Sebree LLC is a non-transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Henderson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Henderson Water Utility/North | Henderson | 31,705 | Community | Surface water |
| Henderson County Water District | Henderson | 17,447 | Community | Purchased surface water |
| Ellis Park Race Course | Henderson | 1,500 | Non-transient non-community | Groundwater |
| Henderson Water Utility/South | Henderson | 54 | Community | Surface water |
| Trocadero Plaza | Henderson | 25 | Transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Century Aluminum Sebree LLC, PWSID KY0512406, Kentucky”, https://aquacensus.com/water-systems/kentucky/century-aluminum-sebree-llc-ky0512406 (data as of October 1, 2026).