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Public water system · LA2019103

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Entergy Louisiana, LLC

At a glance

Entergy Louisiana, LLC (PWSID LA2019103) is an active non-transient non-community water system in Calcasieu Parish County, Louisiana. It reports serving 65 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 6 are health-based, and the most recent began in April 2022.

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

Population served

65

Service connections

15

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDLA2019103
System typeNon-transient non-community water system
Activity statusActive
Population served65
Service connections15
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyLA state drinking water program
City served—
StateLouisiana
ZIP—
CountyCalcasieu Parish County

How does Entergy Louisiana, LLC compare with other water systems in Calcasieu Parish County?

By EPA's size categories, Entergy Louisiana, LLC is a very small system (500 people or fewer). Calcasieu Parish County has 72 active public water systems. Its population served is well below the county average of 2,962 people per system, and accounts for less than 0.1% of the 213,234 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 Entergy Louisiana, LLC is well below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 966 Louisiana systems (86%) list groundwater as their primary source.

Who owns and regulates Entergy Louisiana, LLC?

EPA lists Entergy Louisiana, 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. 52 of the 72 active systems in Calcasieu Parish County (72%) are also privately owned.

Does Entergy Louisiana, LLC have drinking water violations?

EPA's records list 7 violations for this system; 6 are health-based, and the most recent began in April 2022. The violations listed here began between December 2017 and April 2022. By type: 5 disinfectant level above the legal limit, 1 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Chlorine (5 of them). EPA lists 7 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
2022-04-01Disinfectant level above the legal limitNon-Acute MRDL · code 11Chlorinecode 0999YesResolved
2022-01-01Disinfectant level above the legal limitNon-Acute MRDL · code 11Chlorinecode 0999YesResolved
2021-10-01Disinfectant level above the legal limitNon-Acute MRDL · code 11Chlorinecode 0999YesResolved
2021-07-01Disinfectant level above the legal limitNon-Acute MRDL · code 11Chlorinecode 0999YesResolved
2021-05-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-04-01Disinfectant level above the legal limitNon-Acute MRDL · code 11Chlorinecode 0999YesResolved
2017-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved

All 7 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.

Entergy Louisiana, LLC: frequently asked questions

Who runs Entergy Louisiana, LLC?

Entergy Louisiana, LLC (PWSID LA2019103) is a non-transient non-community water system privately owned. It is regulated by the LA state drinking water program.

How many people does Entergy Louisiana, LLC serve?

Entergy Louisiana, LLC reports serving 65 people through 15 service connections in Calcasieu Parish County, Louisiana.

Where does Entergy Louisiana, LLC get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Entergy Louisiana, LLC have any drinking water violations?

EPA's records list 7 violations for this system; 6 are health-based, and the most recent began in April 2022. 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 Entergy Louisiana, 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. EPA's records list 7 violations for this system; 6 are health-based, and the most recent began in April 2022. For current results, consult EPA ECHO, or the LA state drinking water program.

Where can I find Entergy Louisiana, LLC's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Entergy Louisiana, 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 Calcasieu Parish County

Water systemCountyPopulation servedTypeSource
City of Lake Charles Water SystemCalcasieu Parish79,500CommunityGroundwater
Sulphur City of Water SystemCalcasieu Parish24,489CommunityGroundwater
Calcasieu Parish Ww District No 1Calcasieu Parish20,837CommunityGroundwater
Calcasieu Parish Ww Dist 9 CarlyssCalcasieu Parish14,502CommunityGroundwater
Houston River Waterworks District 11Calcasieu Parish6,915CommunityGroundwater
Calcasieu Parish Ww District 8Calcasieu Parish6,834CommunityGroundwater

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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, “Entergy Louisiana, LLC, PWSID LA2019103, Louisiana”, https://aquacensus.com/water-systems/louisiana/entergy-louisiana-llc-la2019103 (data as of October 1, 2026).