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Public water system · LA2093002

Active

Atlantic Alumina, LLC

At a glance

Atlantic Alumina, LLC (PWSID LA2093002) is an active non-transient non-community water system in St. James Parish County, Louisiana. It reports serving 500 people through 1 service connection. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in August 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

500

Service connections

1

Primary source

SW

Surface water

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDLA2093002
System typeNon-transient non-community water system
Activity statusActive
Population served500
Service connections1
Primary water sourceSurface water
Owner typePrivate
Primacy agencyLA state drinking water program
City served—
StateLouisiana
ZIP—
CountySt. James Parish County

How does Atlantic Alumina, LLC compare with other water systems in St. James Parish County?

By EPA's size categories, Atlantic Alumina, LLC is a very small system (500 people or fewer). St. James Parish County has 5 active public water systems, and Atlantic Alumina, LLC is the 5th-largest of them by population served. Its population served is well below the county average of 4,571 people per system, and accounts for 2.2% of the 22,854 people reported by systems filed under the county. Across Louisiana, the 1,121 active systems average 4,685 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Atlantic Alumina, LLC is about 16% 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. Louisiana has 125 active non-transient non-community water systems, 11% of the state's 1,121 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 53 Louisiana systems (4.7%) list surface water as their primary source.

Who owns and regulates Atlantic Alumina, LLC?

EPA lists Atlantic Alumina, LLC as privately owned. The LA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 5 active systems in St. James Parish County (20%) are also privately owned.

Does Atlantic Alumina, LLC have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in August 2024. The violations listed here began between March 2022 and August 2024. By type: 9 required treatment not met, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (9 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-08-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2024-08-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2022-07-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-07-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-06-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-06-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-05-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-05-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-04-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-04-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2022-03-01Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved

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.

Atlantic Alumina, LLC: frequently asked questions

Who runs Atlantic Alumina, LLC?

Atlantic Alumina, LLC (PWSID LA2093002) is a non-transient non-community water system privately owned. It is regulated by the LA state drinking water program.

How many people does Atlantic Alumina, LLC serve?

Atlantic Alumina, LLC reports serving 500 people through 1 service connection in St. James Parish County, Louisiana.

Where does Atlantic Alumina, 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 Atlantic Alumina, LLC have any drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in August 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 Atlantic Alumina, 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, 9 are health-based, and the most recent began in August 2024. For current results, consult EPA ECHO, or the LA state drinking water program.

Where can I find Atlantic Alumina, LLC's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Atlantic Alumina, 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 St. James Parish County

Water systemCountyPopulation servedTypeSource
St James Water District 2St. James Parish7,513CommunitySurface water
St James Water District 1St. James Parish7,200CommunitySurface water
Town of Lutcher WaterworksSt. James Parish4,781CommunitySurface water
Town of Gramercy WaterworksSt. James Parish2,860CommunitySurface water

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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, “Atlantic Alumina, LLC, PWSID LA2093002, Louisiana”, https://aquacensus.com/water-systems/louisiana/atlantic-alumina-llc-la2093002 (data as of October 1, 2026).